Trail Running calendar near Hertfordshire 2026-2027

A 10 mile trail race at Chilton Manor Farm featuring private estate trails, a 1-mile yew tree-lined finish, on-course marshals and a sustainable finisher medal, with GPX/Strava route files and on-site pop-up cafe.

A backyard ultra at The Waggoners in Welwyn Garden City on 26 to 27 September 2026 where runners repeat a 4.167 mile (6.71 km) loop each hour until one runner finishes alone. Entry includes drink vouchers and a commemorative glass.

A forest running event in Warwickshire on 26 September 2026 with a 27 miles marathon and a 20 miles short course. Routes run through early autumn woodland with staffed checkpoints and proceeds supporting the Heart of England Forest.

Three community races at Harcourt Hill on 26 Sep 2026 from a 10k off road course to a 1k fun run, organised by the 4th Oxford Scout Group with medals, prizes and water stations for participants.

Experience an autumn run through scenic pumpkin fields and farm tracks in Colchester. With 10k, 5k, and 1k distances, this flat off road event features chip timing and a family friendly event village.

Trail running at Billingford Lakes on the Wensum Way with a 5.3 km out-and-back lap, lap-based half and ultra options, on-site aid, included parking, bespoke medals, and a finish coffee and cake.

Run Sandringham on 27 September 2026 features a Half Marathon, 5K and Community Mile around the Sandringham Estate. The event includes chip timing for the Half and 5K, water stations, medical support and on site parking.

A community charity event on Sunday 27 September 2026 near Grantchester offering chip-timed 10k and 3k courses through farmland, medals for all finishers, trophies, and fundraising for Maggie’s and Addenbrooke’s Charitable Trust.

A 10 mile trail race at Eridge Park in Tunbridge Wells featuring steep, narrow climbs, muddy sections and scenic views. Finishers receive a memento and are offered a pint and cake at the finish.

Enjoy a flat riverside run along the Thames with a chocolate themed aid station. Choose your own distance from 5km to ultra marathon within a flexible seven hour time limit.

A community run on 27 Sep 2026 with off road routes around Manuden offering 10k, 5k and 1k distances, water stations, medals for finishers and on site parking and registration at the Yew Tree pub.

MacTuffX London on 27 September 2026 stages functional fitness races at Wimbledon with ten Xercises and repeated runs in classic and double distances, offering solo, doubles and relay entries plus a LITE weight division.

Amport Trail Run on 27 September 2026 offers multi terrain 5k, 10k, 10 mile and canicross routes from Amport Cricket Club. Entry is pre-registration only and the courses feature marshals, first aid and on-course refreshments.

A charity hike or run on 27 September 2026 through Charnwood countryside, starting and ending at Beacon Hill Country Park. The approximately 16 mile route visits Beacon Hill, Bardon Hill and Old John while raising funds for local people in..

A multi terrain trail run along the Thames near Marlow offering a Half Marathon, 10k and a 1k Little Sprinters race. The event features chip timing, a finisher medal, on route water stations and an event village with facilities.

A six hour lap-based trail event at Coombe Abbey Park near Coventry, using a 3.3 mile loop through woodland and meadow. Options include a medal or a tree token, rucking is allowed and dogs are not permitted.

A night trail 10k at Coombe Abbey Park on 30 September 2026. The route runs through woodland, meadows and fields and requires a head or chest torch. Petzl may be on site with demo lamps and water is provided in biodegradable cups.

A timed track event in Walton on Thames on 2 October 2026 offering 6, 12 and 24 hour formats with chip timing, 400 m laps and distance options from 5 km up to 100 mile equivalents. The track is limited to 100 runners at once.

A single-loop 100 mile trail from Plumpton Racecourse in the South Downs National Park, featuring over 12,000 ft of elevation, 12 aid stations, a 34 hour cutoff and free onsite camping. The race forms part of the South Downs Triple Crown.

A guided 30 mile trail run on the North Downs Way around Guildford, visiting Box Hill and Denbies Wine Estate. It is led by an experienced ultra runner and coach, with group pacing, route support and a provided kit list.