Welwyn Garden City
Trail Running Calendar near Welwyn Garden City 2026-2027
Explore the top trail runs near Welwyn Garden City for 2026-2027! We've gathered 213 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2027
Riverside out and back races from Barnes along the Thames Path offering 10km, half marathon and marathon with marked course and checkpoint support.
A half marathon and 10K in Richmond Park on 15 August 2027, featuring four laps for the half through woodland, hills and possible deer sightings.
Scenic 10K and Half Marathon in Alexandra Gardens, Windsor with chip timing, free photos, a themed medal and on course water.
September 2027
Muddy obstacle runs in Brentwood, Essex offering 1.5 km and 5 km courses, achievable obstacles, hot wash downs and a finisher medal.
Chip timed Half Marathon and 10K through Wimbledon Common with marked trails, on-course support, an event village, free race photos and finisher medal.
Multi-distance Thames Path event on 11/12 Sept 2027 with supported rest stops, GPS tracking, camping and finishers kit.
A 10 km trail run around Sandridge, St Albans, starting at Woodcock Hill on 12/09/2027 with entry listed at GBP 23.
A lapped 5 km trail event in Hitchin offering seven hours to complete as many laps as desired, plus a Mini Mile, virtual option and an event village.
Half marathon and 10k in Richmond Park on 19 September 2027 with a four lap half marathon, chip timing, free photos and an event village.
Volunteer-run 10k and 3k through farmland near Grantchester supporting Maggie’s Centre Cambridge and Addenbrooke’s Charitable Trust, with chip timing and medals for finishers.
A technical off road trail race in Marlow on 26 September 2027 through Chiltern woodlands and chalk ridges, with sustainable race practices and chip timing.
October 2027
Trail runs in Epping Forest on 9 October 2027 offering 10K and half marathon routes through ancient woodland with chip timing and aid stations.
Run 10K, a half marathon or a junior race through Hampton Court Palace grounds and along the Thames Path with chip timing and free race photos.
A 30 mile out and back ultra along the River Stort with mostly flat riverside trail, checkpoints about every five miles and an eight hour cut off.
A 10 km road race in Wolverton, Milton Keynes on 28 October 2027 with tiered entry fees and registration opening 29 October 2026.