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619 UK running races, ultras, backyard ultras and triathlons — searchable by date, distance and how far they are from you.
November 2026
Birmingham Running Festival
Sutton Coldfield, West Midlands
Cramond Promenade 5k/10k/Half Marathon
Edinburgh, City of Edinburgh
Greenwich Park 5k, 10k & Juniors
London, Greater London
Guy Fawkes 10
Harrogate, North Yorkshire
Hertfordshire Half Marathon & 10k
Knebworth, Hertfordshire
Running GP Croft Motor Circuit
Dalton-on-Tees, North Yorkshire
Running GP Oulton Park
Little Budworth, Cheshire
Rutland Night10K
Oakham, Rutland
Beacons Ultra
Talybont-on-Usk, Powys
Black Sheep Winter
Llithfaen, Gwynedd
Dava Way 50K
Grantown-on-Spey, Highland
Duthie Park 5k/10k
Aberdeen, Aberdeen City
Endurancelife Gower
Oxwich, Swansea
Glen Ogle 33
Killin, Stirling
Golspie Backyard Ultra
Golspie, Sutherland
Hardmoors 26.2 Goathland Trail Races
Goathland, North Yorkshire
OTT Ultra Marathon
Merthyr Tydfil
Race to Remember
Aldershot, Hampshire
Shepherds Skyline Fell Race
Todmorden, West Yorkshire
Victoria Park Half Marathon, 10k & 5k
London, Greater London
Dorney Lake Duathlon
Dorney, Buckinghamshire
George Munday 10K
Wisbech, Cambridgeshire
Hamsterley Remembrance 10 Miler
Hamsterley, County Durham
Holyrood Park 5k/10k/Half Marathon
Edinburgh, City of Edinburgh
Mallard Cake Dash
Boston, Lincolnshire
Run Tatton Half Marathon
Knutsford, Cheshire
Soyland Moor
Hebden Bridge, West Yorkshire
Windsor Trail Run
Windsor, Berkshire
Centurion Wendover Woods 50
Wendover, Buckinghamshire
God's Own Backyard Ultra - Fall
Hawksworth, Leeds, West Yorkshire
Run Alton Towers 10k, 5k & Junior Race
Alton, Staffordshire
Tollymore Trail Ultra
Bryansford, County Down
Wharfedale Skyline
Otley, West Yorkshire
Wooler Trail Marathon
Wooler, Northumberland
Belfast City 5k Fun Run
Belfast, County Antrim
Conwy Half Marathon
Conwy
Coventry 10k Charity Fun Run
Coventry, West Midlands
Fulham 10k
London, Greater London
Run Alton Towers Half Marathon & 5k
Alton, Staffordshire
Wadsworth Half Trog
Hebden Bridge, West Yorkshire
Brewery Trail Run 10km
Tring, Hertfordshire
Cleethorpes Maravan Festival of Running
Cleethorpes, Lincolnshire
Kendal Mountain Festival Trail Runs 48K
Kendal, Cumbria
North Chilterns 50K
Luton, Bedfordshire
Queen Elizabeth Olympic Park 5k & 10k
London, Greater London
Run Series Battersea TEN
London, Greater London
Delamere Forest 10k, 21k & 42k (November)
Delamere, Cheshire
Dunham Massey Duathlon
Altrincham, Greater Manchester
Hampden Running Festival
Glasgow, Glasgow City
Kingston Half Marathon
Kingston upon Thames, Greater London
Nottingham Running Festival
Nottingham, Nottinghamshire
RunThrough Wimbledon Common Half Marathon & 10k
London, Greater London
The Monument Run
Carrickfergus, County Antrim
Chase the Moon Battersea Park 5k & 10k
London, Greater London
Regent's Park 5k & 10k
London, Greater London
Seeley Cup 10k
Belfast, County Antrim
Sidlaw Ultra
Sidlaw Hills, Angus
Crystal Palace Park 5k, 10k & Half Marathon
London, Greater London
Finsbury Park 5k, 10k, Half Marathon & Junior Run
London, Greater London
Leeds Abbey Dash
Leeds, West Yorkshire
Stanwick Lakes Winter Run
Stanwick, Northamptonshire
Sunderland 10k
Sunderland, Tyne and Wear
December 2026
Battersea Park 5k, 10k & Half Marathon (December)
London, Greater London
Bournemouth Coastal Run
Bournemouth, Dorset
Cheviot Goat
Ingram, Northumberland
Endurancelife Dorset
Lulworth, Dorset
Darlington Half Marathon
Darlington, County Durham
Edinburgh Christmas Running Festival
Edinburgh, City of Edinburgh
London Running Festival
London, Greater London
Running GP at Goodwood Motor Circuit
Chichester, West Sussex
Centurion Winter Downs 200
Dorking, Surrey
Centurion Winter Downs 100
Amberley, West Sussex
Barnet FC 5k & 10k
Edgware, Greater London
Kettering Christmas 10K & 5K
Kettering, Northamptonshire
Richmond Park Half Marathon (December)
Richmond, Greater London
Run Gateshead Hot Chocolate 10k, 5k & 3k Junior Run
Swalwell, Tyne and Wear
Salcey Forest Christmas 10K
Hartwell, Northamptonshire
Sherwood Pines Festive Duathlons
Edwinstowe, Nottinghamshire
Simonside Cairns Fell Race
Rothbury, Northumberland
Telford 10K
Telford, Shropshire
Lee Valley VeloPark Run
London, Greater London
Run Northumberland Rothbury 10k
Rothbury, Northumberland
CIYMS Festive 5K
Belfast, County Down
Daleside Brewery Auld Lang Syne Fell Race
Haworth, West Yorkshire
January 2027
New Year's Day Triathlon
Edinburgh, City of Edinburgh
Chilterns Winter 10km
Aldbury, Hertfordshire
Oundle New Year 10K & 5K
Oundle, Northamptonshire
Country to Capital
Wendover, Buckinghamshire
Endurancelife North Cornwall
North Cornwall coast, Cornwall
Kent Backyard Ultra Series - Dover
Dover, Kent
Montane Winter Spine Challenger South
Edale, Derbyshire
Round Sheffield Run: Winter
Sheffield, South Yorkshire
Montane Winter Spine Challenger North
Hardraw, North Yorkshire
Montane Winter Spine Race
Edale, Derbyshire
Northampton 10K
Northampton, Northamptonshire
Brass Monkey Half Marathon
York, North Yorkshire
Cheshire 3 Peaks Half Marathon (Winter)
Macclesfield, Cheshire
Arc of Attrition by UTMB
Coverack, Cornwall
The Longbridge 100 Backyard Ultra (Winter)
Litlington, East Sussex
Endurancelife South Devon
Kingsbridge, Devon
Endurancelife South Devon
Kingsbridge, Devon
RunThrough Newcastle 10k
Newcastle upon Tyne, Tyne and Wear
Tour de Yr Wyddfa
Llanberis, Gwynedd
Folksworth 15
Folksworth, Cambridgeshire
Camperdown Park 5k/10k/Half Marathon
Dundee, Dundee City
Warwick Half Marathon
Warwick, Warwickshire
X Border 10k
Carlisle, Cumbria
February 2027
Exeter Half Marathon
Exeter, Devon
Lady Anne's Way 75
Skipton, North Yorkshire
The Icing on the Cake Trail Run
Church Stretton, Shropshire
Trails & Tarmac Winter 12hr Backyard Ultra
Crickhowell, Powys
ATW Watford Half Marathon & 10K
Watford, Hertfordshire
Bay2Bay Coastal Run
Morpeth, Northumberland
Cirencester 10K
Cirencester, Gloucestershire
Hardmoors 26.2 Saltburn Trail Races
Saltburn-by-the-Sea, North Yorkshire
Llandudno 10K
Llandudno, Conwy
Long Mynd Valleys
Church Stretton, Shropshire
Wolverhampton 10k
Wolverhampton, West Midlands
Rabbit Run
Ballycastle, County Antrim
Glentress Trail Marathon
Peebles, Scottish Borders
Naseby 1645
Naseby, Northamptonshire
St Valentine's 30K
Stamford, Lincolnshire
Endurancelife Northumberland
Bamburgh, Northumberland
Bedford Half Marathon
Bedford, Bedfordshire
Dartford Half Marathon & 10k
Dartford, Kent
Media City Half Marathon
Salford, Greater Manchester
Chester Ultra 50
Chester, Cheshire
Brighton Half Marathon
Brighton, East Sussex
Burghley 7 Road Race
Stamford, Lincolnshire
Leicestershire Half Marathon
Loughborough, Leicestershire
London Half & 10k
London, Greater London
March 2027
Abbathon 5k & 10k Themed Run
Wolverhampton, West Midlands
Berko 10k
Berkhamsted, Hertfordshire
Dark Skies Run @ Kielder
Kielder, Northumberland
Endurancelife Sussex
Eastbourne, East Sussex
Eskdale Eureka Fell Race
Castleton, North Yorkshire
The Groundhog Marathon
Telford, Shropshire
Winter Green Man Ultra
Bristol
Berkhamsted Half Marathon
Berkhamsted, Hertfordshire
Great Yarmouth Seafront Half Marathon
Great Yarmouth, Norfolk
Kensington 10k
London, Greater London
Lulworth Castle Trail Run
East Lulworth, Dorset
Middlesbrough Half Marathon
Middlesbrough, North Yorkshire
North Lincolnshire Half Marathon & 10k
Scunthorpe, North Lincolnshire
Oundle 20 Mile, 10K & 5K
Oundle, Northamptonshire
Pembrokeshire Duathlon
Neyland, Pembrokeshire
Pitsford Water Trail Races
Brixworth, Northamptonshire
MTC JOGLE
John o' Groats, Highland
Deeside Way Ultra
Aberdeen, Aberdeen City
Harrold-Odell 50km Trail Race
Harrold, Bedfordshire
Harrold-Odell Trail Race
Harrold, Bedfordshire
Jurassic Express Trail Run
Swanage, Dorset
We Need To Talk About Chevin
Otley, West Yorkshire
Bath Half Marathon
Bath, Somerset
Cambridge Half Marathon
Cambridge, Cambridgeshire
Colchester Half Marathon
Colchester, Essex
Essex 20
Saffron Walden, Essex
Hampton Court Palace Half Marathon
East Molesey, Surrey
Inverness Half Marathon & 5K
Inverness, Highland
Jimmy's 10k
Downpatrick, County Down
Kettering Half Marathon & 5k
Kettering, Northamptonshire
Liverpool Half Marathon
Liverpool, Merseyside
Portadown Running Festival
Portadown, County Armagh
Run South London
Morden, Greater London
Spring Blickling Half Marathon
Aylsham, Norfolk
Spar Craic 10k
Belfast, County Antrim
Burgh Backyard Ultra
Dalkeith, Midlothian
Castle to Castle Ultra
Carrickfergus, County Antrim
Centurion Hundred Hills 50km
Stonor, Oxfordshire
Hardmoors 55
Guisborough, North Yorkshire
London Lea Valley 50KM and Gratitude 25KM
Welwyn Garden City, Hertfordshire
Winter's End 50
Winchester, Hampshire
Brentwood Half Marathon
Brentwood, Essex
Cheshire Spring Half Marathon
Knutsford, Cheshire
Druridge Bay Duathlon
Hadston, Northumberland
Gloucester Half Marathon & 10k
Gloucester, Gloucestershire
Lake District Duathlons - Grasmere
Grasmere, Cumbria
Margam Park Duathlon
Margam, Neath Port Talbot
Oulton Park Duathlon
Little Budworth, Cheshire
Reading Half Marathon
Reading, Berkshire
Stafford Half Marathon
Stafford, Staffordshire
TriWorks East Fortune Duathlon
East Fortune, East Lothian
Wilmslow Half Marathon
Wilmslow, Cheshire
Beacon Hill Backyard Ultra
Woodhouse Eaves, Leicestershire
Jurassic Coast Ultra 40
Portland, Dorset
Rasselbock Backyard Ultra - Sherwood Pines
Clipstone, Nottinghamshire
Leeds Running Festival
Leeds, West Yorkshire
Milton Keynes Festival of Running
Milton Keynes, Buckinghamshire
North Tyneside 10k Road Race
North Shields, Tyne and Wear
SPAR Omagh Half Marathon & 5K
Omagh, County Tyrone
Wrekin Fell Race
Wellington, Shropshire
Stevenage Spring Half Marathon & 10K
Stevenage, Hertfordshire
April 2027
Allendale Challenge
Allendale, Northumberland
HAYUM by Pegasus
Hay-on-Wye, Powys
Northern Traverse
St Bees, Cumbria
Testway Ultra
Linkenholt, Hampshire
Brighton Marathon
Brighton, East Sussex
City of Lincoln 10K
Lincoln, Lincolnshire
East Leake Pool Sprint Triathlon
East Leake, Nottinghamshire
Norwich Half Marathon
Norwich, Norfolk
Scone Palace Duathlons
Perth, Perth and Kinross
Sheffield Half Marathon
Sheffield, South Yorkshire
Stoke 10k & Juniors
Stoke-on-Trent, Staffordshire
Yorkshire Duathlons - Bramham Park
Wetherby, West Yorkshire
Centurion South Downs Way 50
Worthing, West Sussex
Endurancelife Giant's Causeway
Portrush, County Antrim
Kent Backyard Ultra Series - Sholden
Sholden, Deal, Kent
Kip's Backyard Ultra
Denbigh, Denbighshire
LSD (Last Standing Distance) Back Yard Ultra
Morpeth, Northumberland
Lake District Running Festival 50K
Keswick, Cumbria
Larne AC 10 Mile
Larne, County Antrim
Monsal Trail Half Marathon & 10K
Bakewell, Derbyshire
Rose of the Shires Ultra
Brixworth, Northamptonshire
Ultra Tour of Arran
Brodick, North Ayrshire
ABP Southampton Marathon Festival
Southampton, Hampshire
Bath & Bristol Railway Races
Bath, Somerset
Coventry Half Marathon
Coventry, West Midlands
Drayton Manor 5k & 10k
Tamworth, Staffordshire
Haughley Festival of Running
Haughley, Suffolk
Leicester's Big 10K
Leicester, Leicestershire
Sperrin Harriers Half Marathon
Cookstown, County Tyrone
Granite Peaks Ultras
Newcastle, County Down
Bamburgh Castle Duathlons
Bamburgh, Northumberland
Chiltern Ridge Classic 50K
Berkhamsted, Hertfordshire
Chilterns Trail Marathon
Tring, Hertfordshire
Loop Til You Drop Backyard Ultra - Marston Lodge
Marston Trussell, Leicestershire
Shropshire Backyard Ultra
Shrewsbury, Shropshire
Ultra X Spring Trail Series
Midhurst, West Sussex
ABP Newport Marathon Festival
Newport
Chasewater Trail Half Marathon & 10k
Burntwood, Staffordshire
Garden of Wales Duathlon
Llanarthney, Carmarthenshire
Hooded Horse Fell Race
Kilburn, North Yorkshire
Kent Spring Marathon & Half Marathon
Ashford, Kent
Kings Cliffe 10K
King's Cliffe, Northamptonshire
Manchester Marathon
Manchester, Greater Manchester
Almac 5k & 10k
Craigavon, County Armagh
Beecraigs Backyard Ultra
Linlithgow, West Lothian
Blackpool Festival of Running
Blackpool, Lancashire
Devil o' the Highlands
Tyndrum, Stirling
Endurancelife Pembrokeshire
Haverfordwest, Pembrokeshire
Endurancelife Pembrokeshire
Haverfordwest, Pembrokeshire
TCS London Marathon
London, Greater London
The Fellsman
Ingleton, North Yorkshire
The Medieval Backyard Ultra
Penarth, Vale of Glamorgan
Three Peaks Race
Horton-in-Ribblesdale, North Yorkshire
Bishopbriggs Triathlon
Bishopbriggs, East Dunbartonshire
Bluebell 10km
Tring, Hertfordshire
Delamere Forest 10k, 21k & 42k (Spring)
Delamere, Cheshire
Early Brigg Sprint Triathlon
Brigg, North Lincolnshire
Roade Sprint Triathlon
Roade, Northamptonshire
Shakespeare Marathon & Half Marathon
Stratford-upon-Avon, Warwickshire
The First Tri Lydney
Lydney, Gloucestershire
Tissington Trail Marathon & Half Marathon
Ashbourne, Derbyshire
UK Trail Running Festival
Wimborne, Dorset
Chase the Sun Hyde Park 5k & 10k
London, Greater London
Portland Pig Backyard Ultra
Portland, Dorset
XTERRA Weston Park
Weston-under-Lizard, Staffordshire
May 2027
Beartown Backyard Ultra
Congleton, Cheshire
Bristol Backyard Ultra
Bristol
Centurion Thames Path 100
Richmond, Greater London
HOWUM by Pegasus
Llanidloes, Powys
Malvern Hills Ultra
Abberley, Worcestershire
Mid Sussex Marathon Weekend
Haywards Heath, West Sussex
Pennine Barrier Ultra 50
Malham, North Yorkshire
The Maverick Exmoor X-Trail
Lynton, Devon
The Maverick Exmoor X-Trail
Lynton, Devon
Ultra X Scotland
Dores, Highland
Welsh 3000s Ultra Run
Llanberis, Gwynedd
ATW St Neots Triathlon
St Neots, Cambridgeshire
Belfast City Marathon
Belfast, County Antrim
Great Birmingham Run
Birmingham, West Midlands
MK Marathon
Milton Keynes, Buckinghamshire
Newcastle-Gateshead Marathon, Half Marathon & 10k
Gateshead, Tyne and Wear
Three Forts Challenge
Lancing, West Sussex
Tonbridge Triathlon
Tonbridge, Kent
Brighton Backyard Ultra
Brighton, East Sussex
Cateran Ultra
Spittal of Glenshee, Perth and Kinross
Endurancelife Exmoor
Barnstaple, Devon
Endurancelife Exmoor
Martinhoe, Devon
Epona 100
Abergavenny, Monmouthshire
Great Bristol Run
Bristol
National Forest Way Ultra 75
Alrewas, Staffordshire
Radyr & Morganstown Half Marathon and Marathon
Cardiff
Resolute Backyard Ultra
Delamere, Cheshire
Rob Burrow Leeds Marathon
Leeds, West Yorkshire
Run Rabbit Trail Festival
Corby, Northamptonshire
Bewl Water Ultra 50km
Wadhurst, East Sussex
Hardmoors 26.2 White Horse Trail Races
Sutton Bank, North Yorkshire
Leeds Half Marathon
Leeds, West Yorkshire
Llanelli Agilis Sprint Triathlon
Llanelli, Carmarthenshire
Market Drayton 10k
Market Drayton, Shropshire
Seaford 10K
Seaford, East Sussex
Shires and Spires
Naseby, Northamptonshire
Zig Zag Marathon & Half
Bury St Edmunds, Suffolk
Ultra-Trail Snowdonia Eryri by UTMB
Llanberis, Gwynedd
Centurion North Downs Way 50
Farnham, Surrey
Draycote Water Running Festival
Rugby, Warwickshire
Essex Triathlons - Hanningfield Reservoir
South Hanningfield, Essex
Town to Tower 10K
Ruthin, Denbighshire
51fiver Cotswold Standard Distance Triathlon
South Cerney, Gloucestershire
Arundel Lido Triathlon
Arundel, West Sussex
Big Green Scunthorpe 10K
Scunthorpe, Lincolnshire
Grantown Try Tri
Grantown-on-Spey, Highland
Hackney Half
London, Greater London
Holkham Half Marathon & 10k
Wells-next-the-Sea, Norfolk
Market Harborough Half Marathon
Market Harborough, Leicestershire
Plymouth Half Marathon
Plymouth, Devon
Pontefract 10K
Pontefract, West Yorkshire
Rye Half Marathon & 10K
Rye, East Sussex
Southport Triathlon & Multisport
Southport, Merseyside
Stirling Half Marathon
Stirling
Sunderland City Runs Half Marathon & 10K
Sunderland, Tyne and Wear
Yarrow River Bluebell 10K
Chorley, Lancashire
Keswick Mountain Festival Trail Races
Keswick, Cumbria
Red On Backyard Ultra - Cheltenham
Cheltenham, Gloucestershire
Beat the Sunset 50km
Maidenhead, Berkshire
Glasgow Triathlon
Glasgow, Glasgow City
Goring Gap Trails Festival
Goring-on-Thames, Oxfordshire
Great Manchester Run
Manchester, Greater Manchester
Hardmoors 110
Filey, North Yorkshire
Mayfair Races
Ballyclare, County Antrim
Outlaw Nottingham Weekend (Outlaw Half)
Nottingham, Nottinghamshire
Skye Trail Ultra
Duntulm, Highland
The Grim Reaper Ultra
Grimsthorpe, Lincolnshire
The Maverick Cotswolds Trail
Winchcombe, Gloucestershire
Yellow Belly Backyard Ultra
Wyham, Louth, Lincolnshire
ATW Box End Triathlon
Kempston, Bedfordshire
Anglesey Half Marathon & 10K
Holyhead, Isle of Anglesey
Great West Run
Exeter, Devon
Hemel Hempstead 10k & 5k
Hemel Hempstead, Hertfordshire
Keswick Mountain Festival 50K Trail Ultra
Keswick, Cumbria
Newmarket Half Marathon
Newmarket, Suffolk
Newry City Half Marathon
Newry, County Down
Northampton 5k, 10k & Juniors
Northampton, Northamptonshire
Nottingham 10K
Nottingham, Nottinghamshire
Swansea Triathlon
Swansea
Hardmoors 160
Sutton Bank, North Yorkshire
Edinburgh Marathon Festival
Edinburgh, City of Edinburgh
God's Own Backyard Ultra - Spring
Hawksworth, Leeds, West Yorkshire
Grand Union Canal Race (GUCR)
Birmingham, West Midlands
Norn Iron Ultra
Ballintoy, County Antrim
She Strides Backyard Ultra
Mytholmroyd, West Yorkshire
The Kernowman (Marazion Triathlon)
Marazion, Cornwall
The Ridgeway Challenge & Ridgeway Chase
Berkhamsted, Hertfordshire
The Ultra Loop Track Challenge
Stockport, Greater Manchester
Marlow Triathlon
Marlow, Buckinghamshire
June 2027
Hebden Bridge Fell Race
Hebden Bridge, West Yorkshire
DNF x FCF West Midlands Backyard Ultra
Little Haywood, Staffordshire
Blair Castle Trail Weekender
Blair Atholl, Perth and Kinross
Blended's Backyard
Chilton Candover, Hampshire
Blenheim Palace Triathlon (Supertri)
Woodstock, Oxfordshire
CRANUM by Pegasus
Aberystwyth, Ceredigion
Endurancelife Classic Quarter
Helston, Cornwall
Endure24 Reading
Reading, Berkshire
Lochalsh 30
Kyle of Lochalsh, Highland
Suffolk Back Yard Ultra Festival
Thetford Forest (High Lodge), Suffolk
The Llangollen 50k
Llangollen, Denbighshire
The Maverick Peak District X-Trail
Bakewell, Derbyshire
Tsunami Ocean Trails
Bude, Cornwall
Ultra Scotland 50 & 100
Castle Douglas, Dumfries and Galloway
Wales Triathlon
Fishguard, Pembrokeshire
ATW Grafman Middle Distance Triathlon
Grafham, Cambridgeshire
IRONMAN 70.3 Bolton
Bolton, Greater Manchester
Lakeland Trails Coniston Marathon
Coniston, Cumbria
Leamington Half Marathon
Leamington Spa, Warwickshire
Plymouth Triathlon
Cremyll, Cornwall
Run Cumbria Solway Marathon & Half
Carlisle, Cumbria
Run Redditch 10k, Half Marathon & Junior Race
Redditch, Worcestershire
Weymouth Classic & Sprint Triathlon
Weymouth, Dorset
Blaydon Race
Newcastle upon Tyne, Tyne and Wear
BTT Brighton
Brighton, East Sussex
Beyond the Wall Triathlon
Strangford, County Down
Breakheart Backyard Ultra
Dursley, Gloucestershire
Celtman Extreme Scottish Triathlon
Torridon, Highland
Centurion South Downs Way 100
Winchester, Hampshire
Centurion South Downs Way 50km
Winchester, Hampshire
Dorney Triathlon
Dorney, Buckinghamshire
London 100
London, Greater London
Manchester Backyard Ultra
Ringley, Greater Manchester
Northumberland Festival of Sport
Hadston, Northumberland
Rat Race The Wall
Carlisle, Cumbria
The Wild Boar 70.3 and Olympic Triathlon
Cinderford, Gloucestershire
Titan Brecon Middle Distance Triathlon
Tredegar, Blaenau Gwent
Cheddar Gorge Challenge
Cheddar, Somerset
Dartmouth Triathlon
Blackpool Sands, Devon
Norwich Triathlon
Norwich, Norfolk
Ramathon
Derby, Derbyshire
Royal Windsor Triathlon
Windsor, Berkshire
Slateman Triathlon & Duathlon
Llanberis, Gwynedd
Southend Half Marathon
Shoeburyness, Essex
The Hampshire Hoppit
Basingstoke, Hampshire
Twycross Zoo 10k
Twycross, Leicestershire
Windermere Marathon
Windermere, Cumbria
Lisburn Half Marathon, 10K & Fun Run
Lisburn, County Antrim
Abersoch Triathlon
Abersoch, Gwynedd
PHOENIX Minotaur 50 / Hydra 75 / Centaur 100
Dorking, Surrey
Race to the King
West Dean, West Sussex
Rutland 10K
Oakham, Rutland
Shropshire Triathlon
Ellesmere, Shropshire
The Longbridge 100 Backyard Ultra (Summer)
Litlington, East Sussex
The Maverick North Downs Trail
Cranleigh, Surrey
The Maverick North Downs Trail
Cranleigh, Surrey
Three Shires Way Marathon
Grafham Water, Cambridgeshire
Three Shires Way Ultra
Grafham, Cambridgeshire
West Highland Way Race
Milngavie, East Dunbartonshire
Belfast City Women's 10k
Belfast, County Antrim
Dambuster Triathlon
Exton, Rutland
East Yorkshire Half Marathon & 10k
Skirlaugh, East Riding of Yorkshire
Hardmoors 26.2 Wainstones Trail Races
Chop Gate, North Yorkshire
Pembrokeshire Coast Triathlon
Broad Haven, Pembrokeshire
Sheffield Triathlon & Duathlon
Sheffield, South Yorkshire
The Lakesman Triathlons
Keswick, Cumbria
Ultimate Triathlon 150 / 100 / 50
Ellesmere, Shropshire
West Yorkshire Trail Run
Harewood, West Yorkshire
Windy Gyle Fell Race
Alwinton, Northumberland
Ards Half Marathon
Newtownards, County Down
Castle Race Series - Cholmondeley Castle
Cholmondeley, Cheshire
Moray Way 100
Forres, Moray
Mourne Way Ultra
Newcastle, County Down
Llandudno Triathlon & Duathlon
Llandudno, Conwy
Peterborough Running Festival
Peterborough, Cambridgeshire
RunThrough Morpeth 10k
Morpeth, Northumberland
The Original Swanage Triathlon Festival
Swanage, Dorset
July 2027
Birmingham Black Country Half Marathon
Wolverhampton, West Midlands
Chevy Chase Fell Race
Wooler, Northumberland
Endure24 Leeds
Wetherby, West Yorkshire
Great Glen Ultra
Fort William, Highland
Outlaw Holkham Weekend (Outlaw Half Holkham)
Wells-next-the-Sea, Norfolk
PIGUM by Pegasus
Abergavenny, Monmouthshire
Rasselbock Backyard Ultra - Stapleford Hall
Melton Mowbray, Leicestershire
Derwent Reservoir Triathlons
Consett, County Durham
Great North 10k
Gateshead, Tyne and Wear
Hitchin Triathlon
Hitchin, Hertfordshire
Tittesworth Water 50k
Leek, Staffordshire
Lakeland Trails Ultra Ambleside
Ambleside, Cumbria
Race to the Stones
Lewknor, Oxfordshire
Ripon Triathlon Festival
Ripon, North Yorkshire
Snowdonia Trail Marathon Eryri
Llanberis, Gwynedd
Snowdonia Trail Marathon Eryri 55K
Llanberis, Gwynedd
St Cuthbert's Way Ultra
Melrose, Scottish Borders
The Sting
Richmond, North Yorkshire
Upton Tri + Duathlon
Upton upon Severn, Worcestershire
Windermere Triathlons & Duathlons
Bowness-on-Windermere, Cumbria
Croyde Ocean Triathlon
Croyde, Devon
IRONMAN 70.3 Swansea
Swansea
RunThrough Newcastle Half Marathon & 10k
Newcastle upon Tyne, Tyne and Wear
Rutland Water Trail Races
Edith Weston, Rutland
Southend Triathlon
Southend-on-Sea, Essex
Widdop Fell Race
Hebden Bridge, West Yorkshire
Durham City Run Festival
Durham, County Durham
Kent Backyard Ultra Series - Bedgebury
Goudhurst, Kent
Castle Race Series - Belvoir Castle
Belvoir, Leicestershire
Helvellyn Sky Ultra
Patterdale, Cumbria
International Snowdon Race
Llanberis, Gwynedd
The Highlander Backyard - Scottish Championship
Murthly, Perth and Kinross
Brixton 5k, 10k & Half Marathon
London, Greater London
Carlisle Triathlon
Carlisle, Cumbria
Revesby Running Festival
Revesby, Lincolnshire
The Felixstowe Triathlon
Felixstowe, Suffolk
Woodhorn Museum Triathlon
Ashington, Northumberland
Beacon Hill Fell Race
Rothbury, Northumberland
Montane Lakeland 100 & 50
Coniston, Cumbria
Beacons Way Ultra
Abergavenny, Monmouthshire
Castle to Coast Triathlon
Windsor, Berkshire
Loch Lomond Beastie Triathlon Festival
Balloch, West Dunbartonshire
Outlaw Original Weekend
Nottingham, Nottinghamshire
Ultra X Wales
Brecon, Powys
Wirral Backyard Ultra
Wirral, Merseyside
Hillsborough Castle & Gardens Running Festival
Hillsborough, County Down
Snowman Triathlon & Duathlon
Capel Curig, Conwy
Scouts Honour Backyard Ultra
Worsley, Greater Manchester
August 2027
ATW Bristol Triathlon
Bristol
Derby Running Festival
Elvaston, Derbyshire
Running GP Bedford Autodrome
Thurleigh, Bedfordshire
Salford Triathlon & Aquabike
Salford, Greater Manchester
York 10K
York, North Yorkshire
Quayside 5k & 10k
Newcastle upon Tyne, Tyne and Wear
MTC Thames Challenge
Kemble, Gloucestershire
Black Sheep Backyard Ultra
Llyn Peninsula, Gwynedd
ATW First to Full Triathlon Festival
St Neots, Cambridgeshire
Centurion North Downs Way 100
Farnham, Surrey
Race Across Scotland (Ultra GB)
Portpatrick, Dumfries and Galloway
RunThrough Trails Brecon Beacons 51K
Talybont-on-Usk, Powys
The Ultra Loop Leeds (8 Hours)
Leeds, West Yorkshire
Solihull Half Marathon & 5k
Solihull, West Midlands
The Big Lime Triathlons - Hartlepool Marina
Hartlepool, County Durham
Chepstow Running Festival
Chepstow, Monmouthshire
Sirona 100
Barmouth, Gwynedd
Bedford Triathlon
Bedford, Bedfordshire
Blithfield Olympic Triathlon & Aquabike
Abbots Bromley, Staffordshire
IRONMAN Leeds
Leeds, West Yorkshire
Langdale End Show Fell Race
Langdale End, North Yorkshire
Newark Half Marathon
Newark-on-Trent, Nottinghamshire
Thorpe Park Sprint Triathlon
Chertsey, Surrey
London T100 (age-group races)
London, Greater London
Summer Green Man Ultra
Bower Ashton, Bristol
The Restless Xtreme Gravel Triathlon
Lochgoilhead, Argyll and Bute
Beverley Half Marathon
Beverley, East Riding of Yorkshire
Bishopton Triathlon
Stockton-on-Tees, County Durham
Ellesmere 10k
Ellesmere, Shropshire
Run Durham Dalton Park 10 & 5 Miler
Murton, County Durham
Storming the Castle
Carrickfergus, County Antrim
The Geordieman
Morpeth, Northumberland
York Triathlon
York, North Yorkshire
Kinloss BYU
Kinloss, Moray
Gosfield Backyard Ultra
Gosfield, Essex
Highland Fling
Milngavie, East Dunbartonshire
London Backyard Ultra
New Addington, Greater London
Staffin Triathlon & 10K
Staffin, Highland
The Devon and Cornwall Backyard Ultra
Plympton, Devon
Antrim Coast Half Marathon
Larne, County Antrim
Supertri Brighton (Brighton & Hove Triathlon)
Hove, East Sussex
Wimbleball Lake Triathlon
Dulverton, Somerset
September 2027
Ring O' Fire
Holyhead, Isle of Anglesey
Ben Nevis Race
Fort William, Highland
Ellesmere Triathlon
Ellesmere, Shropshire
Glenmore 24 & 12
Glenmore, Highland
Glencoe Marathon
Glencoe, Highland
Kenilworth Half Marathon
Kenilworth, Warwickshire
Laganside 10k
Belfast, County Antrim
Stretton Skyline Fell Race
Church Stretton, Shropshire
The Big Half
London, Greater London
Tiree Ultra
Tiree, Argyll and Bute
Dragon's Back Race
Conwy
West Coast 200
Portmeirion, Gwynedd
Causeway Coast Marathon
Portballintrae, County Antrim
Giant's Causeway Coast 64K Ultra
Portballintrae, County Antrim
Newport Sprint & Olympic Pool Triathlon
Newport
Rasselbock Backyard Ultra - Hardwick Hall
Doe Lea, Derbyshire
Sundowner Triathlon
Pocklington, East Riding of Yorkshire
The Joust 12hr & 24hr
Holt Heath, Worcestershire
Thetford Back Yard Ultra Festival
Thetford, Norfolk
Worcester City Runs
Worcester, Worcestershire
ATW Milton Keynes Triathlon
Milton Keynes, Buckinghamshire
Aviemore Triathlon
Aviemore, Highland
Basildon Half Marathon and Juniors
Basildon, Essex
Bournemouth International Triathlon
Bournemouth, Dorset
Great North Run
Newcastle upon Tyne, Tyne and Wear
IRONMAN 70.3 Weymouth
Weymouth, Dorset
New Forest Marathon
Brockenhurst, Hampshire
Reading Triathlon
Reading, Berkshire
The Cheltenham Tri Festival
Cheltenham, Gloucestershire
The Harvathon
Hitchin, Hertfordshire
The Vitruvian Triathlon
Exton, Rutland
Triathlon y Bala
Bala, Gwynedd
Saundersfoot Triathlon
Saundersfoot, Pembrokeshire
Summit Mentality x Getahead Backyard Ultra
Brentwood, Essex
Centurion Chiltern Wonderland 50
Goring-on-Thames, Oxfordshire
Cotswold Way Century
Chipping Campden, Gloucestershire
Flamingo Land 5k & 10k
Kirby Misperton, North Yorkshire
Simonside (Thropton Show) Fell Race
Thropton, Northumberland
The Brutal Extreme Triathlons
Llanberis, Gwynedd
The Turbine Backyard Ultra
Durham, County Durham
Trails & Tarmac Summer 12hr Backyard Ultra
Crickhowell, Powys
Ultra X England
Hope Valley, Derbyshire
Belfast City Half Marathon
Belfast, County Antrim
Falmouth Triathlon (The Seal)
Falmouth, Cornwall
Grand Olde Route of York Trail Run
Escrick, North Yorkshire
IRONMAN Wales
Tenby, Pembrokeshire
Run Northumberland Matfen 10k
Matfen, Northumberland
RunThrough Trails Hamsterley Forest
Hamsterley, County Durham
Saucony Run Shoreditch Half
London, Greater London
Altra 13 Valleys Ultra
Keswick, Cumbria
GPC Ultra
Swadlincote, Derbyshire
ATW Grafham Triathlon
Grafham, Cambridgeshire
Castle Race Series - Hever Castle
Hever, Kent
Cheshire Ring 100
Salford, Greater Manchester
Ealing Half Marathon
Ealing, Greater London
Loch Ness Marathon & Festival of Running
Inverness, Highland
Robin Hood Half Marathon
Nottingham, Nottinghamshire
Run Sandringham
Sandringham, Norfolk
RunThrough Clapham Common 5k, 10k & Half Marathon
London, Greater London
Sandman Triathlon & Duathlon
Newborough, Isle of Anglesey
Vitality London 10,000
London, Greater London
October 2027
The District Back Yard Ultra
Little Salkeld, Cumbria
Cornwall's Backyard Ultra
St Eval, Cornwall
Great Scottish Run
Glasgow, Glasgow City
Kielder Marathon
Kielder, Northumberland
The Maverick South Downs Trail
Horndean, Hampshire
The Putney Loop Backyard Ultra
Putney, Greater London
Cannock Wild Trail Runs
Rugeley, Staffordshire
Cardiff Half Marathon
Cardiff
Groomsport 10k
Groomsport, County Down
Isle of Wight Marathon
Ryde, Isle of Wight
Lincoln Half Marathon
Lincoln, Lincolnshire
Manchester Half Marathon
Manchester, Greater Manchester
Thames Meander Autumn
Barnes, Greater London
Aberfoyle Ultra
Aberfoyle, Stirling
Bennachie Hill Ultra
Inverurie, Aberdeenshire
Glasgow to Edinburgh Ultra
Glasgow, Glasgow City
Loop Til You Drop Backyard Ultra - Turvey
Turvey, Bedfordshire
Bournemouth Marathon Festival
Bournemouth, Dorset
Chester Marathon
Chester, Cheshire
Great Eastern Run
Peterborough, Cambridgeshire
Newcastle Town Moor Half Marathon, 10k & 5k
Newcastle upon Tyne, Tyne and Wear
Oswestry 10k
Oswestry, Shropshire
Royal Parks Half Marathon
London, Greater London
Kent Backyard Ultra Series - Vigo
Vigo, Kent
Centurion Autumn 100
Goring-on-Thames, Oxfordshire
Great South Run
Portsmouth, Hampshire
The Dramathon
Dufftown, Moray
Abingdon Marathon
Abingdon, Oxfordshire
Brewers 10k & 5k
Burton upon Trent, Staffordshire
Eden Project Marathon & Half Marathon
St Austell, Cornwall
Great Welsh Marathon
Llanelli, Carmarthenshire
Jarrow 10k & Junior Race
Hebburn, Tyne and Wear
Run Northumberland Castles Half Marathon
Bamburgh, Northumberland
Yorkshire Marathon
York, North Yorkshire
Among The Pines Backyard Ultra
Clitheroe, Lancashire
Battersea Park Running Festival
London, Greater London
Beachy Head Marathon
Eastbourne, East Sussex
Endurancelife North York Moors
Ravenscar, North Yorkshire
Jedburgh 3 Peaks Ultra
Jedburgh, Scottish Borders
London Aquathlon
London, Greater London
Marathon Eryri
Llanberis, Gwynedd
Rugby Half Marathon
Rugby, Warwickshire
Red On Backyard Ultra - Haydock
Haydock, Merseyside
Endure The Moor
Newcastle upon Tyne, Tyne and Wear
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