Guildford
Trail Running Calendar near Guildford 2026-2027
Explore the top trail runs near Guildford for 2026-2027! We've gathered 296 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
Obstacle-course weekend in Henley-on-Thames on May 15 and 16 2027 with Sprint 5 km, Super 10 km, Beast 21 km and kids races by the River Thames.
Looped event at Denbies Wine Estate offering distances from 5 km to ultra, run as many 5.3 km laps as desired within a 7 hour limit.
A closed-road 21.1km half marathon through Hackney with pacer support, live music and a finish festival at Hackney Marshes.
Looped trail event at Wiston Estate with a marked 10K circuit and distances from 10K to 100K, plus aid stations, a dedicated 100K area and on-site camping.
A 7 hour timed running event along the River Thames in Staines offering distances from 3 km up to ultramarathon with medals, distance pins, goody bags and aid stations.
A weekend of waymarked trail runs and walks at Mapledurham House near Reading, featuring ultras, a half marathon and supported marathon-length walks.
A 7 km cross-country fun run at Trenchmore Farm on 22 May 2027 with music, burgers and a free drink for each runner.
A single-lap 50 km multi-terrain ultra in Maidenhead along the Thames Path and Jubilee River with four aid stations, chip timing, live tracking and race photos.
Stand & Deliver challenges runners to repeat a scenic 4.2-mile loop at The Dell in 12-hour, 6-hour or Backyard formats, with solo, pairs and teams of three options.
A muddy 5k obstacle event at War Memorial Park with climbing, crawling and sliding, organised by Cancer Research UK and linked to fundraising.
Guided 13 miles through the Surrey Hills from Guildford, run as a steady group with trail sections, car parking and nearby train access.
Trail challenge from Richmond upon Thames to Brighton with 100 km, half and quarter distances, GPS tracking, staffed rest stops, camping and shuttle transfers.
A colourful family obstacle run near Dorking on a 5 km Nuts Challenge course, featuring mud, water, climbing obstacles and options for ages 6 and up.
A 10 km trail run from Marlow Rugby Club with local trails, woodland and Thames towpath, finishing with a medal, a pint cup and a free drink.
June 2027
A 24 hour relay at Wasing Park with solo, pairs, and team entries on an undulating 8km trail lap, plus camping and an event village with food vendors and a bar.
A Pretty Muddy 5k obstacle course at Royal Windsor Racecourse on mixed tarmac and grass, with staggered wave starts and age rules for kids and adults.
A muddy 5k obstacle course at Prospect Park in Reading with staggered waves, marshals, basic on-site facilities and fundraising support for Cancer Research UK.
Backyard Ultra at Chilton Manor Farm on 5 June 2027: run a 4.166 mile loop each hour until only one runner completes a final lap.