Trail Running calendar near Welwyn 2025-2026
We have found 415 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.
We have found 415 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.
Join a guided 16k trail run at High Lodge Thetford Forest on 8 February 2026, following scenic woodland tracks and gentle hills. Run at a conversational pace with groups, enjoy trail tips from guides, and soak up the forest atmosphere.
XTERRA Matterley is a weekend of off road racing at Matterley Basin, Hampshire, with duathlons and trail runs from 7K to half marathon. Expect varied terrain, family activities and a chance to qualify for the XTERRA Trail Run World Champion..
Celebrate Valentine's Day with riverside laps along the scenic Thames at Xcel SPORTS HUB. Choose 5k to ultra, run as many laps as you like within a one hour start window and 7 hour limit, and earn a bespoke finisher medal.
The Phoenix Running - Southwater will take place in Southwater on Sunday 15 February 2026. You can run between 5 and 42 kilometers.
Take on the scenic 42 mile St Peters Way Ultra from Chipping Ongar to the St Peter on the Wall chapel at Bradwell on Sea, finishing along a raised sea wall. Expect muddy, changeable terrain with checkpoint support and live tracking.
Join the Hadleigh Legacy 10k at Hadleigh Country Park on 22 Feb 2026 for a scenic yet testing single lap trail with hills, mud and fields. Expect a bespoke medal, free photos and competitive wave starts.
Run scenic loops at Thetford Festival of Running on 22 Feb 2026 in Thetford Forest, with distances from 5k to ultra and a friendly cap of 300 runners. Enjoy on course refills and post run tea while 20% of fees help care for the woodland.
Run the North Downs Ridge 50k, a scenic trail ultra from Denbies Wine Estate near Dorking. Enjoy rolling Surrey countryside, four aid stations, medical cover and a UTMB qualifier for runners after a classic long day on trails.
Take on The Terminator in Pewsey: a tough 12 mile off road race expected to be muddy with several climbs and a steep finish. Enjoy chip timing, full medical cover and a unique finisher T shirt.
Join a guided 10 km trail run through Thursley National Nature Reserve, across open heath, pine wood and the boardwalk voted Britain's Favourite Path. Enjoy a friendly group pace with dusk and headtorch evenings, kit trials and a possible p..
Join a guided 30 mile South Downs Way ultra from Harting Down, ideal for first time ultra runners looking for a friendly, non competitive challenge. Savour rolling chalk hills, ancient yews at Kingley Vale and expert guided coaching along t..