Running Calendar UK - 2026
The following is a list of fun runs, marathons, obstacle course races, triathlons and multisport/adventure races in United Kingdom in 2026.
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Events 1 to 100 of 1049
Serpentine New Year's Day 10K Race & 3K Fun Run
Thursday, 1 January 2026Hyde Park, London, UK
The Walter Raleigh Round
Saturday, 3 January 2026Budleigh Salterton, Devon, UK
Wolf Moon Trail Half Marathon
Saturday, 3 January 2026Sutton Scarsdale, Chesterfield, UK
Fitstuff G3 Run Series 1
Saturday, 10 January 2026Newlands Corner, Guildford, Surrey, UK
Hamsterley Forest Winter Trail Races
Saturday, 10 January 2026Hamsterley Forest Park, Bishop Auckland, UK
Questars Winter Adventure Race Series 3
Saturday, 10 January 2026South Downs, UK
Rasselbock Run - Winter
Saturday, 10 January 2026 to Sunday, 11 January 2026Sherwood Pines Forest, Nottinghamshire, UK
Mudfest Rosliston Forest - January
Friday, 16 January 2026Rosliston, Swadlincote, UK
Green Gateways Trail Race
Saturday, 17 January 2026Otley, West Yorkshire, UK
Maverick New Forest Gravel Run
Saturday, 17 January 2026Burley, Christchurch, Hampshire, UK
Arundel & South Downs Winter Trails
Sunday, 18 January 2026Heyshott to Arundel, West Sussex, UK
Four Villages Half Marathon
Sunday, 18 January 2026Helsby, Cheshire, UK
Scone Palace January Jog
Sunday, 18 January 2026Scone Palace, Perth, UK
Telford Winter 10K
Sunday, 18 January 2026Telford, Shropshire, UK
Trevithick 12K Road Race
Sunday, 18 January 2026Camborne, UK
Blast 5K @ The Meadows Series 1
Tuesday, 20 January 2026The Meadows, Edinburgh, UK
Crocodile Challenge: 6 Hour Running Race
Friday, 23 January 2026Ryton Pools Country Park, Coventry, Warwickshire, UK
The Clumber Lakeside - Winter
Saturday, 24 January 2026 to Sunday, 25 January 2026Clumber Park, Worksop, UK
Braunton 10
Sunday, 25 January 2026Braunton, Devon, UK
Dirt Run Round 1: Irchester
Sunday, 25 January 2026Irchester, Wellingborough, UK
Running Tribe Race: January
Sunday, 25 January 2026Chalfont St Peter, Gerrards Cross, UK
Longbridge Backyard Ultra - Winter
Friday, 30 January 2026Litlington, East Sussex, UKFitstuff G3 Run Series 2
Saturday, 31 January 2026Hound House Road, Guildford, Surrey, UK
Hardmoors 26.2 Saltburn Trail Races
Sunday, 1 February 2026Saltburn-by-the-Sea, North Yorkshire, UK
Newquay 10K Road Race
Sunday, 1 February 2026Newquay, Cornwall, UK
The Dash For The Splash 10K
Sunday, 1 February 2026Putney Vale, Wimbledon Common, London, UK
TrailX Duathlon New Forest
Sunday, 1 February 2026Burley, New Forest, Hampshire, UK
Squirrel Challenge: 6 Hour Running Race
Wednesday, 4 February 2026Daventry, Northamptonshire, UK
Ardgartan Trail Race
Saturday, 7 February 2026Ardgartan, Argyll, Scotland, UK
BrighTEN (Brighton) Marina Run
Saturday, 7 February 2026Brighton Marina, Brighton and Hove, UK
Harrogate Hustle Trail Race
Saturday, 7 February 2026Pannal, Harrogate, North Yorkshire, UK
Maverick West Sussex Trail Run
Saturday, 7 February 2026Amberley, Arundel, West Sussex, UKThe Hardwick Hobble - Winter
Saturday, 7 February 2026 to Sunday, 8 February 2026Chesterfield, Derbyshire, UK
UK Ultra Hibernal Hills 50 Mile & 50K
Saturday, 7 February 2026Queen Elizabeth Country Park, Horndean, UK
Bertha Park Trail Run - Winter
Sunday, 8 February 2026Bertha Park, Perth, UK
The Innocent Half
Sunday, 8 February 2026Newcraighall, Edinburgh, UKQuestars Winter Adventure Race Series 4
Saturday, 14 February 2026Chilterns, UK
Trails & Tarmac Winter Back Yard Ultra
Saturday, 14 February 2026Crickhowell, Powys, Wales, UK
Valentines Navigational Trail Run
Saturday, 14 February 2026Kelvedon Hatch, Brentwood, UK
Whinlatter Moon Runner 10K
Saturday, 14 February 2026Whinlatter Forest, Keswick, Cumbria, UK
Bramley 20/10 Road Races
Sunday, 15 February 2026Bramley, Hampshire, UK
Caerphilly Trail Races: 5K & 10K
Sunday, 15 February 2026Van Community Centre, Caerphilly, UK
Marriott's Way Trail Marathon & Half Marathon
Sunday, 15 February 2026Norwich to Aylsham, Norfolk, UKBlast 5K @ The Meadows Series 2
Tuesday, 17 February 2026The Meadows, Edinburgh, UKMudfest Rosliston Forest - February
Friday, 20 February 2026Rosliston, Swadlincote, UK
Brecon Canal 10
Saturday, 21 February 2026Brecon, Powys, UK
EnduranceLife Northumberland
Saturday, 21 February 2026Bamburgh Castle, Northumberland, UKRunning Tribe Race: February
Saturday, 21 February 2026Chalfont St. Peter Community Centre, Chalfont St Peter, Gerrards Cross, UK
BigMud Trails (EARTH)
Sunday, 22 February 2026Horndean, Hampshire, UK
Dartford Half Marathon
Sunday, 22 February 2026Central Park, Cranford, Dartford, UKDirt Run Round 2: Brigstock
Sunday, 22 February 2026Brigstock Country Park, Brigstock, UK
Leicestershire Half Marathon
Sunday, 22 February 2026Thorpe Hill, Loughborough, UK
North Downs Ridge 50K Trail Ultra
Sunday, 22 February 2026Denbies Wine Estate, Dorking, UK
St Peters Way Ultra Marathon
Sunday, 22 February 2026Chipping Ongar to Bradwell on Sea, Essex, UK
Tunbridge Wells Half Marathon
Sunday, 22 February 2026Tunbridge Wells, Kent, UK
Two Tunnels Railway Races: February
Sunday, 22 February 2026Bath, Somerset, UK
Wokingham Half Marathon
Sunday, 22 February 2026Cantley Park, Wokingham, UK
Badger Challenge: 6 Hour Running Race
Thursday, 26 February 2026Beacon Hill Country Park, Leicestershire, UK
Chichester Harbour Trail Run
Saturday, 28 February 2026Emsworth, West Sussex, UKFitstuff G3 Run Series 3
Saturday, 28 February 2026Newlands Corner, Guildford, Surrey, UK
Lulworth Cove Trail Runs
Saturday, 28 February 2026West Lulworth, Wareham, Dorset, UK
Orion Mercury 10 Mile Race
Saturday, 28 February 2026Epping Forest, Chingford, London, UK
Tibthorpe Loop Half Marathon
Saturday, 28 February 2026Driffield, Yorkshire, UK
Wingerworth Wobble Trail Race
Saturday, 28 February 2026Wingerworth, Chesterfield, UK
Anglesey Half Marathon & 10K
Sunday, 1 March 2026Anglesey Showground, Anglesey, UK
Dragons Dash
Sunday, 1 March 2026Anglesey Showground, Anglesey, UK
Leicester 10K
Sunday, 1 March 2026Jubilee Square, Leicester, UK
London Half & 10K
Sunday, 1 March 2026Queen Elizabeth Olympic Park, London, UK
Looe 10 Miler
Sunday, 1 March 2026Looe, Cornwall, UK
Meadows Marathon
Sunday, 1 March 2026The Meadows, Edinburgh, UK
Middlesbrough Half Marathon
Sunday, 1 March 2026Middlesbrough, UK
North Wales Pilgrim Half Marathon
Sunday, 1 March 2026Cwt Tatws to Aberdaron, North Wales, UK
Oundle 20 Mile, 10K & 5K
Sunday, 1 March 2026Oundle, Peterborough, Northamptonshire, UK
Pitsford Water Trail Races
Sunday, 1 March 2026Pitsford Water, Northampton, UK
Southwold Half Marathon
Sunday, 1 March 2026Southwold, Suffolk, UK
Take The Fell Trail Runs
Sunday, 1 March 2026Beacon Fell Country Park, Preston, UK
Taunton Half Marathon
Sunday, 1 March 2026Taunton, Somerset, UK
TrailX Duathlon Matterley
Sunday, 1 March 2026Matterly Basin, Winchester, UK
Windsor & Eton 10K
Sunday, 1 March 2026Baths Island, Windsor, UK
Berko 10km Trail Run
Saturday, 7 March 2026Berkhamsted, Hertfordshire, UK
EnduranceLife Sussex
Saturday, 7 March 2026Helen Garden, Eastbourne, UK
Harrold-Odell 50K & 25K Trail Race
Saturday, 7 March 2026Harrold, Bedford, UK
Highland 8-hour Challenge
Saturday, 7 March 2026Glenmore, Scotland, UK
Humanity Direct Amersham Ultra
Saturday, 7 March 2026Amersham, UK
New Forest South Trail Run
Saturday, 7 March 2026Hinton Admiral, Burton, Christchurch, UK
Scott Sports Dirty Dozen Trail Run
Saturday, 7 March 2026Rugeley, Staffordshire, UK
The Winter Green Man Ultra
Saturday, 7 March 2026Ashton Park School, Bristol, UK
An Res Hellys 10 Mile Race
Sunday, 8 March 2026Helston, Cornwall, UK
Bishop's Castle 10K Trail Run
Sunday, 8 March 2026Bishop's Castle, Shropshire, UK
Cambridge Half Marathon
Sunday, 8 March 2026Midsummer Common, Cambridge, UK
Chester 10K
Sunday, 8 March 2026Chester, UK
Chippenham Spring 10 Mile
Sunday, 8 March 2026Chippenham, Wiltshire, UK
Colchester Half Marathon
Sunday, 8 March 2026Colchester, UK
Euston Estate Marathon & Half Marathon
Sunday, 8 March 2026Euston Hall Estate, Thetford, UK
Granite Way 10 & 20 Mile
Sunday, 8 March 2026Okehampton, Devon, UK
Great Welsh Marathon & Half Marathon
Sunday, 8 March 2026Pembrey, Carmarthenshire, UK
Inverness Half Marathon & 5K
Sunday, 8 March 2026Inverness, Scotland, UK
Kettering Half Marathon & 5K
Sunday, 8 March 2026Wicksteed Park, Kettering, UK
Kingston BreakFEST Run
Sunday, 8 March 2026Kingston Market Place, Kingston, UK
Larmer Tree Marathon, 20 Miler, Half Marathon & 10K
Sunday, 8 March 2026Salisbury, UK
Events 1 to 100 of 1049