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 1054
Serpentine New Year's Day 10K Race & 3K Fun Run
Thursday, 1 January 2026Hyde Park, London, 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
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
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
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
Ardgartan Trail Race
Saturday, 7 February 2026Ardgartan, Argyll, Scotland, 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, 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
Valentines Navigational Trail Run
Saturday, 14 February 2026Kelvedon Hatch, Brentwood, UK
Whinlatter Moon Runner 10K
Saturday, 14 February 2026Whinlatter Forest, Keswick, Cumbria, UK
Caerphilly Trail Races: 5K & 10K
Sunday, 15 February 2026Van Community Centre, Caerphilly, 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, UKRunning Tribe Race: February
Saturday, 21 February 2026Chalfont St. Peter Community Centre, Chalfont St Peter, Gerrards Cross, UKDirt Run Round 2: Brigstock
Sunday, 22 February 2026Brigstock Country Park, Brigstock, UK
North Downs Ridge 50K Trail Ultra
Sunday, 22 February 2026Denbies Wine Estate, Dorking, 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
Orion Mercury 10 Mile Race
Saturday, 28 February 2026Epping Forest, Chingford, London, UK
Wingerworth Wobble Trail Race
Saturday, 28 February 2026Wingerworth, Chesterfield, 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
North Wales Pilgrim Half Marathon
Sunday, 1 March 2026Cwt Tatws to Aberdaron, North Wales, UK
Southwold Half Marathon
Sunday, 1 March 2026Southwold, Suffolk, 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
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
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
Chippenham Spring 10 Mile
Sunday, 8 March 2026Chippenham, Wiltshire, UK
Euston Estate Marathon & Half Marathon
Sunday, 8 March 2026Euston Hall Estate, Thetford, UK
Monmouth 10 Mile
Sunday, 8 March 2026Monmouth, UK
Nottingham 10K
Sunday, 8 March 2026Old Market Square, Nottingham, UK
Solent Half Marathon
Sunday, 8 March 2026Fawley, Southampton, UK
Steyning Stinger
Sunday, 8 March 2026Steyning, UK
The Grizzly & Cub Races
Sunday, 8 March 2026Seaton, Devon, UKThe Rosliston Rumble - Spring
Sunday, 8 March 2026Rosliston, Swadlincote, UKBrechfa Trail Half Marathon & Marathon
Saturday, 14 March 2026Brechfa Forest, Carmarthen, UK
D33 Deeside Way Ultra
Saturday, 14 March 2026Duthie Park, Aberdeen, UK
Maverick Hampshire Trail Run
Saturday, 14 March 2026Winchester, Hampshire, UK
Starlight Challenge: Arlington 'Owler'
Saturday, 14 March 2026Arlington, Barnstaple, UK
Welcome Way Trail Race
Saturday, 14 March 2026Otley, West Yorkshire, UK
Cambridge Boundary Run
Sunday, 15 March 2026Cambridge, UK
Falmouth Half Marathon
Sunday, 15 March 2026Falmouth, Cornwall, UK
Hackney Legacy Races
Sunday, 15 March 2026Victoria Park, London, UK
Liverpool Half Marathon & 10 Miler
Sunday, 15 March 2026Hill Dickinson Stadium, Liverpool, UK
Milton Keynes Festival of Running
Sunday, 15 March 2026Milton Keynes, Buckinghamshire, UK
Ramsbury Half Marathon & 10K
Sunday, 15 March 2026Ramsbury Brewery, Aldbourne, Marlborough, UK
Retford Half Marathon
Sunday, 15 March 2026Retford, Nottinghamshire, UK
The Secret Half Marathon & 20 Miler
Sunday, 15 March 2026Mickley Hall, Nantwich, Cheshire, UKBlast 5K @ The Meadows Series 3
Tuesday, 17 March 2026The Meadows, Edinburgh, UK
Watchtree 5K Trail Run
Wednesday, 18 March 2026Watchtree Nature Reserve, Carlisle, Cumbria, UK
20 Along the Forth
Saturday, 21 March 2026Barnton, Edinburgh, UK
London Lea Valley 50K Ultra & Gratitude 25K
Saturday, 21 March 2026Welwyn Garden City to Hackney Wick, East London, UK
Lone Wolf South East
Saturday, 21 March 2026 to Sunday, 22 March 2026Alice Holt Forrest, Bucks Horn Oak, Farnham, UKOrion 15
Saturday, 21 March 2026Epping Forest, Chingford, London, UKQuestars Summer Adventure Race 1 - Wiltshire
Saturday, 21 March 2026Pewsey, Wiltshire, UK
Race Dunvegan 10K & 5K
Saturday, 21 March 2026Dunvegan Castle, Isle of Skye, UK
Trails of Mena
Saturday, 21 March 2026North Wingfield, Chesterfield, UK
Beer and Pudding Race
Sunday, 22 March 2026Bakewell, Derbyshire, UK
Bournemouth Bay Run
Sunday, 22 March 2026Bournemouth, Dorset, UK
Flutter International Hospice Half Marathon
Sunday, 22 March 2026Ramsey, Isle of Man, UK
Going Round In Circles
Sunday, 22 March 2026Paddington Station, London, UK
Hospice 2 Hospice Half Marathon
Sunday, 22 March 2026St Ouen to St Helier, Jersey, UK
Red Warrior Challenge Multi Terrain Races
Sunday, 22 March 2026Margam Country Park, Port Talbot, UK
Thetford 5K Easter Bunny Run
Sunday, 22 March 2026Market Place, Thetford, UK
Twin Lakes 20
Sunday, 22 March 2026Willen Lake, Milton Keynes, UK
Y2Y North Downs Trek/Run
Sunday, 22 March 2026YMCA East Surrey, Redhill, Surrey, UK
Elephant Challenge: 6 Hour Running Race
Tuesday, 24 March 2026Salcey Forest, Northampton, UK
Night Trails 10K: Salcey Forest (Mar)
Tuesday, 24 March 2026Salcey Forest, Northampton, UK
Jurassic Coast Challenge
Friday, 27 March 2026 to Sunday, 29 March 2026Portland, Dorset, UK
Jurassic Coast 40 Miler
Saturday, 28 March 2026Weymouth, Dorset, UK
Events 1 to 100 of 1054