Welwyn
Trail Running Calendar near Welwyn 2026-2027
Explore the top trail runs near Welwyn for 2026-2027! We've gathered 139 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
June 2027
A 7 km fell race at Coombe Hill near Wendover on 6 Jun 2027 with 220 m climb, entry on the day, junior prizes and UK Athletics insurance from the FRA.
Urban 100 km ultramarathon in central London with 100 km, 50 km and 25 km routes that pass 100+ city landmarks and include staffed checkpoints.
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide through timed waves while raising funds for cancer research.
A 24 hour running event near Caldecotte Lake where individuals or teams complete as many 6.55 mile laps as they choose with camping and onsite facilities.
A 21.2 km trail half marathon on the National Trust’s Dunstable Downs with hilly terrain, two aid stations, a 4 hour limit and fully marked navigation.
A riverside 10 km evening run in north Milton Keynes featuring parkland trails, a canal tunnel crossing, canicross access, on-course water and chip timing.
A volunteer-run 145 mile towpath race from London to Bristol on 25 June 2027 with nine aid stations and a 45 hour cut off.
A ten-leg team relay along sections of The Ridgeway national trail covering the 86.5 mile route, organised by Marlborough Running Club with gender composition rules.
July 2027
An 82 mile point to point ultra along the Essex Way from Epping tube station in London to the high lighthouse at Harwich, on mixed terrain with a 24 hour cut off.
A 5 km outdoor obstacle and mud course in Brentwood on 3 July 2027 that raises funds for Essex Wildlife Trust; entry is £40 with a suggested £100 fundraising pledge.
Off road half marathon along The Ridgeway near Wendover with a fully marked route, an aid station at Green Hailey passed twice, UTMB World Series index status and a 4 hour limit.
A 24-hour multi-terrain relay near London offering solo or team entries (2 to 8 runners) on repeated 5.75 mile laps, with free camping and on-site facilities.
A muddy 5k obstacle course at Fairlands Valley Park in Stevenage with staggered waves, on-site facilities, a minimum fundraising target of £50 and age 13 and over requirement.
Pretty Muddy 5k at Hylands Park Chelmsford on 18 July 2027 is a grass obstacle course with climb crawl and slide elements, staggered wave starts and a minimum age of 13.