Guildford
Trail Running Calendar near Guildford 2026-2027
Explore the top trail runs near Guildford for 2026-2027! We've gathered 214 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Midweek Chasing Numbers at The Last Hop in Staines is a flexible seven hour time challenge along the River Thames with distances from 3 km up to 50 km and ultra options.
Off road Half Marathon around Henfield with a riverside and disused railway course, start and finish at Henfield Leisure Centre with showers and free parking.
A 7-hour Time Challenge along the River Thames near Staines with flexible starts and distances from 3 km to 50 km. The event is licensed by the Trail Running Association and offers medals, distance pins and a goody bag.
A ten day running series in Walton on Thames from 22 to 31 August 2026 offering daily themed rubber ducks and ten giant spinning ducky medals, with distances from 5 km to ultra and certified out-and-back routes along the Thames towpath.
Half and full marathons in Richmond Park on 23 August 2026, with multi-lap routes along the Tamsin Trail, refreshment points and UK Athletics affiliation.
A laps based timed run at Ardingly Reservoir offering multiple distances, chip timing, an aid station and a donut shaped finisher's medal.
London Backyard Ultra at Frylands Wood Scout Outdoor Centre has runners complete a four mile loop each hour until one remains, with medals, showers and refreshments.
An obstacle mud run on a permanent assault course near Dorking, Surrey, offering 5 km and 10 km options, multiple laps, and entries for solo runners, teams and charities. The course includes mud, water, walls and climbing obstacles.
30 August 2026 in Alexandra Gardens Windsor offers 10K and half marathon routes with views of Windsor Castle. The event includes chip timing, free race photos and an event village.
A mixed trail and road out and back race from Woldingham School. The half is one 13.1 mile lap and the full is two laps, with notable climbs, varied scenery and on course aid stations and goody bags.
Day nine of the Duck n Run Totally Quackers series on 30 August 2026 in Walton on Thames features timed laps on a flat riverside out and back course, with distances from a single 3.28 mile lap up to an ultra within seven hours.
September 2026
A mixed terrain trail along the Thames at Remenham Farm in Henley on Thames offering a half marathon, 10K and a junior race, with chip timed results, a themed medal and free race photos.
Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.
Half marathon and 10k at Wimbledon Common on 6 September 2026, with marked trails, marshals and a 3.5 hour cutoff. An event village offers food, drink and finish line goodies and the event supports the Beder charity.
A scenic 10K through the private grounds of Loseley Park in Surrey on 6 September 2026, with timed results, finisher medals and official photography.