Harpenden
Trail Running Calendar near Harpenden 2026-2027
Explore the top trail runs near Harpenden for 2026-2027! We've gathered 155 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
A trail event in Windsor on 8 November 2026 offering a 10K and a half marathon on flat off road trails from Alexandra Gardens. The event features chip timing, race photos, post race goodies and an event village.
A commemorative 7 hour Time Challenge at Wraysbury Skiff and Punting Club on the River Thames offering distances from 3km up to 50km on signed mixed terrain laps. Finishers receive medals and distance pins and aid stations include vegan options.
A 10th edition marathon and half marathon on riverside towpaths in Walton on Thames, centred on a two minute silence at 11:00 and organised as out-and-back laps; attended and virtual entries receive a commemorative medal.
Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.
A point to point half marathon along the Grand Union Canal from Cowley to Cassiobury Park in Watford, chip timed with water stations and a sustainable wooden finisher medal.
A 50 mile race of five 10 mile loops wholly within Wendover Woods, featuring 10,000 feet of climb, nine well stocked aid stations and marked trails. The event is supported by race medics, has a 15 hour cut off and requires marathon qualification.
Saturn Running holds the Smurf Run along the River Thames at Wraysbury on 15 November 2026. The seven hour Time Challenge starts from 3 km laps and includes finisher medals, distance pins, aid stations and goody bag options.
Country routes from Barton-le-Clay with 12 miles for walkers only plus 18 and 26 mile courses, checkpoints, refreshments and map navigation.
A fully marked 50km trail from Putteridge Bury across North Chiltern ridgelines and hills, with three aid stations, UTMB index status and an 8h45 time limit.
A half-day 10 km trail run in the Chiltern Hills followed by a private Tring Brewery tour with a tasting and a beer option.
A Half Marathon and a 10k on Wimbledon Common in London supporting Beder, with a trail marked course, course marshals and an event village offering food, drink and partner goodies.
A 10 km road and riverside run starting and finishing at Kingston Hawker Centre, using chip timing and offering a finisher medal, refreshments and baggage drop. The event supports Kingston Hospital Charity and notes nearby train and local parking o..
A riverside marathon and half marathon along the River Thames on an accurately measured UKA certified course. Multiple laps on a flat towpath route with medals for all finishers and virtual entries.
A community charity run in Campbell Park, Milton Keynes offering 1.5k, 5k, 10k and half marathon options with chip timing, medals, refreshments and a fancy dress element to support Movember and men's health.
December 2026
Trail 5K and 10K around the Tewinbury estate in Hertfordshire, fully waymarked with marshals, aid station at 5.3 km and chip timing.