Trail Running calendar near Hertfordshire 2026-2027

We have found 539 Trailruns within 80 miles of Hertfordshire. See below where and when you can find the races.

A 43 mile point to point ultra from Wendover to Little Venice in London combining trails, roads and canal towpath. The event includes real time GPS tracking, checkpoints, finishers medals and prizes for top finishers.

The Doughnut Dash is a flexible-distance run along a flat Thames riverside trail. Participants can run from a single lap to ultra marathon distances while enjoying doughnuts. All finishers receive a custom, neon-colored medal.

Winchester Trail Run in January 2027 offers two off road routes around Farley Mount near Winchester, including a half marathon and an Epic course with a short climb and countryside views.

A lapped multi terrain event at Brandon Country Park featuring a 5.3 km circuit and flexible four or six hour options. Aid stations are provided each lap, parking is chargeable and the event is cupless.

Multi-distance road event from Suffolk Running Centre near Bury St Edmunds offering 5k, 10k, half, marathon and ultra options. The Windmill Way and Golding Hills course has rolling hills, aid stations every 10 km and bespoke finisher medals..

A six hour lap event at Ryton Pools Country Park near Coventry where runners, walkers and canicross participants complete as many 3.3 mile loops as they can. A share of entry fees supports Roald Dahl's Marvellous Children's Charity.

Join this multi distance trail event at Bawsey Country Park featuring distances from 5k to ultra marathon. Enjoy a lap based course with regular aid stations and a bespoke finisher medal.

Trail runs start and finish in Queen Elizabeth Country Park on the South Downs, passing through Head Down, the South Downs Way and the Milky Way. Three route lengths are offered and finishers receive a medal, a drink and event goodies.

A winter trail run through medieval Lavenham along the old disused railway, covering a 10 km mixed terrain route with footpaths, forest trails and shallow streams. Manual timing, medals for all finishers and podium trophies for top places.

February 2027

A single-loop 53 mile trail race starting and finishing at Ditcham Park School in Petersfield. The route has about 6400 ft of ascent, six aid stations, full way marking and is worth 3 ITRA points.

Follow in the footsteps of ancient pilgrims on this 66 mile two day ultra adventure along the historic North Downs Way. Experience a supported winter trail challenge with overnight accommodation and full logistics included.

Join this 5 km canicross adventure through the scenic woodland tracks of Irchester Country Park. This dog-friendly event features a staggered start, professional support, and finishers medals for both runners and their canine partners.

Approximately 48 miles along the historic Peddars Way from Knettishall Heath to Holme-next-the-Sea, mostly flat and well marked with three checkpoints, GPS tracking and a 12 hours completion limit. Mandatory kit and finish amenities are pro..

A 28.2 trail marathon along the River Adur in February, starting at Shoreham Sea Scout Hut, with muddy paths and fully stocked aid stations. Prior trail marathon experience, suitable clothing and a mobile phone are required.

Lapped running on the Flitch Way near Rayne with 5.3 km loops and options from 5 km up to marathon plus a 6 hour challenge. Cupless aid stations at every lap and a choice of bespoke medals and goody bags.

A fully signed 50k trail ultra on the North Downs Way and Norbury Park with 2986 ft of ascent. Based at Denbies Wine Estate near Dorking, the route includes four checkpoints offering food and drinks.

Experience a scenic run through Thetford Forest with distances ranging from 5km to an Ultra Marathon. Enjoy a loop-based course on forest pathways with post-race refreshments and bespoke medals at High Lodge.

An annual 12 mile trail race around the Vale of Pewsey organised by Pewsey Vale Running Club, listed in Worlds Ultimate Running Races. Proceeds from the Terminator have helped the club donate over £101,000 to local charities.

Trail event in the Meon Valley on 21 February 2027 at Queen Elizabeth Country Park. Options include 16 miles, marathon or 50 km ultramarathon on single-lap muddy trails with two climbs to Butser Hill and stocked aid stations.

A 42-mile trail ultramarathon across historic Essex from Chipping Ongar to St Peter-on-the-Wall, with varied muddy paths, four staffed checkpoints, GPX navigation and compulsory safety kit.

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