Trail Running calendar near Hertfordshire 2026-2027

We have found 427 Trailruns within 80 miles of Hertfordshire. See below where and when you can find the races.

Timed lap event at Buchan Country Park on 19 April 2026 with 5.3 km laps to create distances from 5 km up to ultra within a 7 hour limit. Runners may choose one of twelve medals or a lower cost no medal entry.

Run the Thames Ring Series along scenic river and canal towpaths with three distances: TR250 full loop, TR150 and TR100 sections. Choose your challenge and enjoy riverside trails, checkpoint support and GPS tracking across this adventure.

A limited capacity evening trail run of 5 miles for over 18s with the course run in reverse from previous years. Route files are provided beforehand and finishers can exchange their race number at the bar for a drink.

A 15 mile trail run from the beer garden of the Ye Olde Smugglers Inne in Alfriston with two pub checkpoints offering a drink and snack; route GPX and a race narrative are provided and results appear within 24 hours.

A multi-distance road event at Suffolk Running Centre offering 5k, 10k, half, marathon and ultra options on measured routes. The marathon uses the Kirtling Route; aid stations, parking and bespoke medals are provided.

A blindfolded navigation challenge near Winchester where participants are dropped at unknown locations and must find their own way back on foot. Options cover six, ten or fifteen mile drops and devices are surrendered at registration.

A one-day circular long-distance event on 26 April 2026 around Coventry, roughly 40 miles (41.4 miles in 2026). Open to walkers, runners and relay teams of up to six, with five checkpoints and a hot meal at the finish.

Trail runs of 10 km and 10 mile around Angmering Park Estate on 26 April 2026, with canicross options, marshalled courses, water stations and free race photos.

Trail runs through Alice Holt Forest on 26 April 2026 support GUTS, with a Half Marathon, 10k, 5k and a junior run. Routes use a 5k forest loop with multiple laps for longer distances.

Join NOT the London Marathon Run 2026 on Sunday 26 April in Walton on Thames for a flat, certified lap course along the riverside towpath. Choose marathon, half or a 7 hour timed challenge, enjoy flexible starts and a commemorative medal.

A spring trail run of around 10 km through bluebell-carpeted woods in the Chiltern Hills, starting from Tring and led in ability groups by Run Leaders. Facilities include a cafe, toilets and bag storage; dogs allowed with cani-cross kit.

Two point to point routes in the South Downs National Park from East Dean Village Hall, covering either 28 miles or 18 miles with an 11 hour limit and checkpoint support including hot food and vegetarian options.

A multi terrain *5 km* race at Fineshade Wood on 26 April 2026 set in Northamptonshire woodlands. Finishers receive a bespoke medal and a virtual completion option is available.

An 8 km trail loop around Icklesham with over 75% trail surfaces, fully marked and marshalled, prizes for first male and female, a 60-person entry limit and tea and cake at the village hall afterwards.

May 2026

Run a scenic 7 hour timed challenge along the River Thames at Wraysbury on Friday 1 May 2026 and choose your distance from 3 km to ultra. Friendly aid, medals and goody bags make this intimate 300 runner event ideal for PBs or relaxed miles..

A 100 mile point to point trail race along the Thames Path from Richmond to Oxford with a 30 hour limit, marked route, mandatory kit requirements and staged aid stations. Entries for 2026 are full and new applicants join a waiting list.

UTMB Index

A guided 30 mile trail run near Guildford following sections of the North Downs Way and the Greensand Way. The group led by an experienced ultra coach includes climbs such as Leith Hill and finishes back at West Hanger.

A three day running series in West Sussex across East Grinstead, Haywards Heath and Burgess Hill that can be completed as single town races or combined into a full marathon. The event includes mile races, a family fun run and a virtual mara..

Run Silchester offers scenic trail races from the village playing field along the Roman Wall and through ancient woodland, with a 2.5 mile fun run plus 5 and 7 mile trail races. Enjoy festival vibes, medals and community fundraising for the..

Run For Your Life on 2 May 2026 at Parliament Hill, Hampstead Heath offers 10 km, 5 km and a 2 km Fun Run on scenic trails past Kenwood House. Managed starts and medals welcome all while proceeds support Jubilee Hall Trust.