Horsham
Trail Running Calendar near Horsham 2026-2027
Explore the top trail runs near Horsham for 2026-2027! We've gathered 197 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
A Christmas timed run along the Thames in Walton on Thames with lap-based distances from a 5.3 km loop up to ultra and medal or no medal entry options.
Mince Pi Run on 13 December 2026 at Shalford Park, Guildford offers looped offroad races from 3.14 to 31.4 miles, a Pi marathon option and a one mile fun run shaped like the Pi symbol. The course runs along the water and results are posted online.
A self-navigated festive night trail of about 5 miles through Friston Forest and downland, with medals, a bar perk and a fancy dress dessert prize.
A dawn to dusk trail challenge at Box Hill where runners complete laps of a roughly 10 mile loop with about 2,400 ft ascent per lap; entries include insurance, medical cover and a finisher medal.
Phoenix Running West Sussex stages a timed Jingle Bell Bauble Run on the Downslink at Southwater with 5 km laps, flexible starts and a 7 hour time limit.
A looped trail event in Crystal Palace Park where runners complete 2.65 km laps within a 7 hour time limit. Distances range from 5 km to ultra and all participants receive a finishers' medal.
A low key multi-lap half and full marathon along the River Thames in Walton on Thames on 28 December 2026. The UKA certified flat towpath course awards medals to all finishers and has limited places.
Off road races at Longmoor across sand dunes, ponds and mud with single and two lap options and medals for all finishers.
January 2027
A 10.000 km trail race around Box Hill with steep climbs and scenic views, registration and parking at Denbies Vineyard. The event includes a kids fun run and a ladies race and uses a B Course around Denbies if Box Hill is unavailable.
An annual New Year five mile cross country in Penshurst village over rolling hills and woodland trails. Open to ages 10 and above with entry fees supporting Hospice in the Weald and awards across junior, local and canicross categories.
A long running mixed trail and road race at Epsom Racecourse offering ten mile and 10k options, timed results, wooden finisher medals and local charity fundraising.
A riverside 3.28 miles out-and-back event at Wraysbury offering distances from 5K to ultra and a six hour challenge, licensed by TRA and run under UKA rules.
Friday timed runs on a flat riverside 5.3 km lap with flexible entry options, charity allocation for the £10 run and commemorative finishers' medals.
Lap the Thames towpath in Walton-on-Thames with distances from a 5.3 km lap up to ultra plus flexible starts and medal or no medal entry options.
A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.
A last person standing backyard ultra on a 4.2 mile loop near Alfriston, with token checks, aid station support and a focus on sustainable event practices.