Endurance Races in United Kingdom 2026 405 events
Browse upcoming endurance races in United Kingdom. Find dates, distances, and registration links.
Upcoming races
RunningIn 3 weeks
Hip Hip Hooray it's Hornsea
◎ Hornsea East Yorkshire HU18 1PZ, United Kingdom▤ Sep 5, 2026
TriathlonIn 3 weeks
THE ROC England triathlon
◎ Windermere, United Kingdom▤ Sep 5, 2026
RunningIn 3 weeks
Bridgwater Half Marathon
◎ Bridgwater, United Kingdom▤ Sep 6, 2026
21.1 km
RunningIn 3 weeks
Waterside Half Marathon
◎ Derry, United Kingdom▤ Sep 6, 2026
21.1 km
RunningIn 3 weeks
The One in the Park - Regent's Park Autumn 10K
◎ London, United Kingdom▤ Sep 6, 2026
10 km
RunningIn 3 weeks
Glencoe Marathon Gathering
◎ Glencoe, United Kingdom▤ Sep 6, 2026
42.2 km
TriathlonIn 3 weeks
Brighton and Hove Triathlon
◎ Hove, United Kingdom▤ Sep 6, 2026
RunningIn 3 weeks
ATW Bedford Running Festival
◎ Bedford, United Kingdom▤ Sep 6, 2026
RunningIn 3 weeks
Richmond Park 5k, 10k and Half Marathon - September
◎ London, United Kingdom▤ Sep 6, 2026
5 km
TriathlonIn 3 weeks
IRONMAN 70.3 Swansea
◎ Swansea, United Kingdom▤ Sep 6-7, 2026
1.9 km / 90 km / 21.1 km
RunningIn 3 weeks
Reservoir Dogs
◎ Otley, United Kingdom▤ Sep 7, 2026
80 km / 51 km / 33.1 km / 23.4 km
RunningIn 3 weeks
5K Sundowner Series - 3
◎ Edinburgh, United Kingdom▤ Sep 9, 2026
5 km
RunningIn 4 weeks
Peterborough Half Marathon
◎ Peterborough, United Kingdom▤ Sep 11, 2026
21.1 km
RunningIn 4 weeks
Thames Path Challenge
◎ London, United Kingdom▤ Sep 12-13, 2026
100 km
RunningIn 4 weeks
Ultra X England
◎ Castleton, United Kingdom▤ Sep 12-13, 2026
110 km / 110 km / 60 km / 50 km / 25 km / 12 km
RunningIn 4 weeks
Gloucester Trail Run
◎ Gloucester, United Kingdom▤ Sep 12-13, 2026
65 km
RunningIn 4 weeks
Cornwall Grit
◎ Folly Field, Marazion, Penzeance, Cornwall, TR17 0EF, United Kingdom▤ Sep 12, 2026
RunningIn 4 weeks
Lands End 100
◎ Folly Field, Marazion, Penzeance, Cornwall, TR17 0EF, United Kingdom▤ Sep 12, 2026
RunningIn 4 weeks
Suffolk Coastal Path 50K
◎ Aldeburgh, United Kingdom▤ Sep 12, 2026
50 km
RunningIn 4 weeks
Ultra X England by HYSTRIDE
◎ Castleton, United Kingdom▤ Sep 12, 2026