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.
Use the search function to filter events in this time period.
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Events 201 to 300 of 497
Tissington Trail Marathon & Half Marathon
Sunday, 26 April 2026Ashbourne, Derbyshire, UK
UK Trail Running Festival
Sunday, 26 April 2026Wimborne St Giles, Wimborne, UK
Wilmslow Spring Triathlon
Sunday, 26 April 2026Wilmslow Leisure Centre, Wilmslow, UK
Brathay 10in10
Friday, 1 May 2026 to Sunday, 10 May 2026 (Date TBC)Brathay Hall, Ambleside, UK
Portland Pig BackYard Ultra
Friday, 1 May 2026Portland, UK
Fife Pilgrim Way Ultra Marathon
Saturday, 2 May 2026North Queensferry to St Andrews, Fife
Lakeland Trails Staveley
Saturday, 2 May 2026Staveley, Kendal, UK
The Malvern Hills Ultra
Saturday, 2 May 2026Abberley, Worcester, UK
Ultra X Scotland
Saturday, 2 May 2026 to Sunday, 3 May 2026Inverness to Dores, Scotland, UK
ABP Southampton Marathon Festival
Sunday, 3 May 2026Southampton, Hampshire, UK
Belfast City Marathon
Sunday, 3 May 2026Stormont Estate to Ormeau Park, Belfast, NI
Exeter Live Better Marathon
Sunday, 3 May 2026Exeter, UK
Gear 10K
Sunday, 3 May 2026King's Lynn, Norfolk, UK
Great Birmingham Run
Sunday, 3 May 2026City Centre, Birmingham, UK
Marlborough Downs Challenge
Sunday, 3 May 2026Marlborough, Wiltshire, UK
Milton Keynes Marathon Weekend
Sunday, 3 May 2026 to Monday, 4 May 2026Milton Keynes, Buckinghamshire, UK
Newcastle-Gateshead Marathon, Half Marathon & 10K
Sunday, 3 May 2026Gateshead, UK
North Dorset Village Marathon & Relay
Sunday, 3 May 2026Sturminster Newton, Dorset, UK
Rapid Relays
Sunday, 3 May 2026Hambleden, Henley-on-Thames, UK
Runaway Train Trail Race
Sunday, 3 May 2026Shepton Mallet, Somerset, UK
Saltash Half Marathon, 5K & Fun Run
Sunday, 3 May 2026Saltash, UK
Three Forts Challenge
Sunday, 3 May 2026Lancing, West Sussex, UK
Worthing RUN-FEST
Sunday, 3 May 2026Worthing, West Sussex, UK
YMCA Fun Run
Sunday, 3 May 2026Priory Park, Reigate, Surrey, UK
BigWayRound Trail Run
Monday, 4 May 2026Winchester, Hampshire, UK
Bat Challenge
Friday, 8 May 2026Beacon Hill Country Park, Leicestershire, UK
Canal Shuffle
Saturday, 9 May 2026Sampford Peverell, Tiverton, UK
Cateran Trail Ultramarathon
Saturday, 9 May 2026Glenshee, Perthshire, UK
Cheshire Kids Fun Duathlon
Saturday, 9 May 2026Nantwich, Cheshire, UK
Chiltern Hills 100K Ultra
Saturday, 9 May 2026Chesham, Buckinghamshire, UK
Dukeries 30/40
Saturday, 9 May 2026Walesby, Newark, Nottingham, UK
EnduranceLife Exmoor
Saturday, 9 May 2026Martinhoe, Exmoor, UK
Goring Gap Trails
Saturday, 9 May 2026 to Sunday, 10 May 2026Mapledurham, Reading, UK
Holy Trail Festival of Running
Saturday, 9 May 2026Oulton Broad, Lowestoft, Suffolk, UK
Kintyre Way Ultra
Saturday, 9 May 2026Tayinloan to Campbeltown, Scotland, UK
London 100K
Saturday, 9 May 2026Pimlico, London, UK
Radyr Trail Half Marathon & Marathon
Saturday, 9 May 2026Cardiff Harlequins RFC, Cardiff, UK
Run Rabbit Trail Festival
Saturday, 9 May 2026 to Sunday, 10 May 2026Deene Park Estate, Deene, Corby, UK
Run to the Sea Brighton
Saturday, 9 May 2026Horsham to Brighton, Sussex, UK
Spire Ultra
Saturday, 9 May 2026North Wingfield, Chesterfield, Derbyshire, UK
Tenacious Ten Hour Endurance Challenge
Saturday, 9 May 2026Pengenffordd, Talgarth, Brecon, Powys, UK
West Country Ultra
Saturday, 9 May 2026 to Sunday, 10 May 2026Taunton / Minehead, Somerset, UK
Bidwells Town & Gown 10K: Oxford
Sunday, 10 May 2026University Parks, Oxford, UK
Carsington 7+
Sunday, 10 May 2026Carsington, Derbyshire, UK
Cheshire Triathlon
Sunday, 10 May 2026Nantwich, Cheshire, UK
Great Bristol Run
Sunday, 10 May 2026Bristol, UK
Halstead & Essex Marathon
Sunday, 10 May 2026Halstead, Essex, UK
Leeds Half Marathon
Sunday, 10 May 2026Leeds, UK
Ranelagh Half Marathon
Sunday, 10 May 2026Richmond, London, UK
Rob Burrow Leeds Marathon
Sunday, 10 May 2026Leeds, UK
Run Gatwick
Sunday, 10 May 2026Crawley, West Sussex, UK
Scorton Trail Run
Sunday, 10 May 2026Scorton, Preston, UK
Shires & Spires
Sunday, 10 May 2026Naseby, Northampton, UK
Snowdonia Half Marathon
Sunday, 10 May 2026Llanrwst, Conwy, Wales, UK
The Rathfinny Run
Sunday, 10 May 2026Alfriston, Polegate, UK
Trevornick 10K
Sunday, 10 May 2026 (Date TBC)Newquay, UK
5K Beer Challenge
Saturday, 16 May 2026Altrincham, Cheshire, UK
Bishop's Castle Trail Ultra
Saturday, 16 May 2026Bishop's Castle, Shropshire, UK
Bog Commander Mud Run & Obstacle Race
Saturday, 16 May 2026Heathylee House Farm, Hollinsclough, Peak District
Future Outlaw Run: Nottingham
Saturday, 16 May 2026National Water Sports Centre, Nottingham, UK
Hackney Moves Half Marathon & 5K
Saturday, 16 May 2026 to Sunday, 17 May 2026Hackney, East London, UK
Kendal to Preston Ultra
Saturday, 16 May 2026Kendal to Preston, Lancashire, UK
Outlaw Nottingham Triathlon
Saturday, 16 May 2026 to Sunday, 17 May 2026National Water Sports Centre, Nottingham, UK
Roadford Lake Trail Races
Saturday, 16 May 2026Roadford Lake, Lifton, UK
Sunderland City Runs
Saturday, 16 May 2026 to Sunday, 17 May 2026Sunderland, UK
The Compton Marathon & 16 Mile Challenge
Saturday, 16 May 2026Compton, Newbury, Berkshire, UK
White Peak Marathon Festival
Saturday, 16 May 2026Thorpe to Cromford, Matlock, UK
Barry Island 10K
Sunday, 17 May 2026Barry Island, Barry, Wales, UK
Cape Wrath Ultra
Sunday, 17 May 2026 to Sunday, 24 May 2026Fort William to Cape Wrath, UK
Chester Half Marathon
Sunday, 17 May 2026Chester, UK
MacTuff Really Muddy Aberdeen Scotland
Sunday, 17 May 2026Castle Fraser, Inverurie, Aberdeenshire, UK
Pommie Panter Fell Race
Sunday, 17 May 2026Youlgrave, Derbyshire, UK
Run Plymouth - Britain's Ocean City Running Festival
Sunday, 17 May 2026Plymouth Hoe, Plymouth, UK
Storm The Castle Duathlon
Sunday, 17 May 2026Ludlow, Shropshire, UK
Worcester Marathon, Half Marathon & 10K
Sunday, 17 May 2026Hindlip, Worcester, UK
Edinburgh Marathon Festival
Saturday, 23 May 2026 to Sunday, 24 May 2026Edinburgh, Scotland, UK
The Fox Trail Ultra, Marathon & Half Marathon
Saturday, 23 May 2026Godalming, Surrey, UK
UK Ultra South Downs
Saturday, 23 May 2026Eastbourne, UK
Swansea Triathlon
Sunday, 24 May 2026Swansea, Wales, UK
The Swansea 5K
Sunday, 24 May 2026Swansea, Wales, UK
Bexhill 5K Series: Race 1
Wednesday, 27 May 2026Bexhill Promenade, Bexhill-on-Sea, UK
Blair Castle Trail Weekender
Friday, 29 May 2026 to Sunday, 31 May 2026Blair Castle, Blair Atholl, UK
Abersoch 10K
Saturday, 30 May 2026Abersoch, Gwynedd, Wales, UK
Beat The Sunset 50K Ultra
Saturday, 30 May 2026Maidenhead, Berkshire, UK
Burrator 10K
Saturday, 30 May 2026Burrator Reservoir, Yelverton, UK
Henley Kids Fun Triathlon
Saturday, 30 May 2026Henley-on-Thames, Oxfordshire, UK
Lake District Running Festival: Grasmere Gallop
Saturday, 30 May 2026 to Sunday, 31 May 2026Grasmere, Ambleside, Cumbria, UKLake District Running Festival: OMM LITE Adventure Race
Saturday, 30 May 2026 to Sunday, 31 May 2026 (Date TBC)Grasmere, Ambleside, Cumbria, UK
The Ridgeway Challenge Ultra
Saturday, 30 May 2026Ivinghoe Beacon to Avebury, UK
The Ultra Loop - Track Edition
Saturday, 30 May 2026Wythenshawe, Manchester, UK
Three Castles 50km Ultra
Saturday, 30 May 2026Rochester to Tonbridge, Kent, UK
9 Locks Challenge 10K: Summer
Sunday, 31 May 2026Stourbridge to Merry Hill, West Midlands, UK
Great Manchester Run
Sunday, 31 May 2026Manchester, UK
Henley Triathlon
Sunday, 31 May 2026Henley-on-Thames, Oxfordshire, UK
Hull 10K
Sunday, 31 May 2026Sewell Group Craven Park, Hull, UK
IRONMAN Bolton Night Run
Friday, 5 June 2026Bolton, England, UK
Pembrokeshire Coastal Races
Friday, 5 June 2026 to Sunday, 7 June 2026Dale, Milford Haven, Wales, UK
Blended's Backyard Ultra
Saturday, 6 June 2026Chilton Candover, Hampshire, UK
Blenheim Palace Triathlon
Saturday, 6 June 2026 to Sunday, 7 June 2026Blenheim Palace, Woodstock, UK
EnduranceLife Classic Quarter
Saturday, 6 June 2026Lizard Point to Land's End, Cornwall, UK
Events 201 to 300 of 497