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.
April 2027
An evening 10 km trail run on 22 Apr 2027 with a limited field of 50, a new course provided as GPX and narrative, and self sufficient participation expected.
An untimed inflatable obstacle fun run at Hertfordshire County Showground with distances from 2.5k to 15k and family and group ticket options.
A guided spring trail run of about 10 km through the bluebell woods around Tring, with grouped Run Leaders, trail running tips, bag drop and nearby cafe facilities.
May 2027
A marked 100 mile point to point trail race along the Thames from Richmond to Oxford with a 30 hour cutoff, aid stations, pacers from mile 51 and mandatory kit checks.
Muddy obstacle races at the Secret Nuclear Bunker Estate in Essex featuring 6 km and 12 km adult courses plus family and children options.
A one-day 30 km trail run in the Chiltern Hills from Tring with guided technique instruction, checkpoint support, bag storage and a finisher's medal.
A closed-road 21.1km half marathon through Hackney with pacer support, live music and a finish festival at Hackney Marshes.
A long established trail event at Cammas Hall Farm offering 10 mile and 5 mile routes across farm tracks, woodland and short country roads with marshals and chip timing.
Track-based event at Wodson Park on 23 May 2027 offering distances from 5k to a 6 hour challenge with chip timing and aid stations.
A four-day zodiac-themed timed challenge at Old Warden on a 5.3 km mixed-terrain loop with lap-based distances from 5 km to ultra and daily bespoke medals.
Trail challenge from Richmond upon Thames to Brighton with 100 km, half and quarter distances, GPS tracking, staffed rest stops, camping and shuttle transfers.
Farmmageddon at Hyde Hall Farm is a multi-distance trail event with a 5.3 km loop and timed ultra options including a two day 100 mile race.
June 2027
A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.
Pretty Muddy 5k at Willen Lake is a 5 km obstacle course with mud features, staggered wave starts and a minimum £50 fundraising target for Cancer Research UK.
Two supported trail options in London - a 55 km ultra and a 25 km trail run along the Capital Ring, finishing at Richmond Green with feed stations and chip timing.
A point-to-point trail event through the Hertfordshire AONB offering marathon, half and 10 km distances open to both runners and cyclists with separate results and medals.
Trail races at Wendover Woods on 6 June 2027 offering Half Marathon, 10k, 5k and a Junior Run on hilly forest trails with onsite facilities for spectators.