Trail Running calendar near Chelmsford 2026-2027

We have found 495 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

A 30 mile non-competitive group trail run from Harting Down along parts of the South Downs Way, passing Beacon Hill, Cocking Down and Kingley Vale. Led by an experienced guide and recommended for those who have run at least 22 miles in trai..

A 42-mile trail race from Chipping Ongar to the ancient Chapel of St Peter-on-the-Wall, following an old pilgrimage route through rural Essex. Mostly off-road and often muddy, the route is waymarked with GPX support, four outdoor checkpoint..

Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.

March 2027

A 10 km mixed-terrain run from Windsor & Eton Brewery along towpaths and parkland, with staggered starts, a pint cup and free drink at the finish, chip timing and downloadable race photos.

Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.

A coastal trail event in Eastbourne featuring 10K, half, marathon and ultra courses with chalk and forest terrain and views of the Seven Sisters. It is part of the Endurancelife season leaderboard and uses online check-in with a safety vide..

Trail races of 10k and half marathon around Pitsford Water from Brixworth Country Park with marked routes, water stations and on course marshals. Entries have age limits, a four hour cut off and preordered parking and merchandise options.

Autumn edition of the Run the Wild half marathon is a guided 13 mile trail in the Chiltern Hills with about 300 m ascent, grouped pacing, run leaders, a midroute refreshment point and a finisher’s medal.

Two trail race distances, 25 km and 50 km, at Harrold-Odell Country Park in Bedford on 13 March 2027, organised by Thunder Races with early-bird and standard fees and instalment options.

Trail event at Hyde Hall Farm offering 10k, half, full and ultra distances with lap-based courses, water at the lap point, secure parking and a bespoke finisher medal. The event is cupless so bring a refillable cup or bottle.

A 24 hour endurance format at Alice Holt Forest where runners repeat a 6.7 km loop each hour, finishing laps within 60 minutes. Wooden medals are given to finishers and a wooden trophy is awarded to the overall champion.

TrailX Women Run is an all female trail event at Culden Faw Estate near Henley on Thames celebrating International Women’s Day, offering 3 km, 6.5 km and 13 km chip timed courses with medals, prizes and on site refreshments.

A novelty wife carrying race in Dorking featuring a 380 m out and back up The Nower with obstacles and a Splash Zone. Carried participants must meet a 50 kg minimum and wear helmets while competitors are encouraged to wear fancy dress.

A hilly 13.1 miles out-and-back trail from Dorking to Leith Hill Tower with about 1,800 feet of ascent, water stations and marshals. Race HQ is The Priory School and entry includes a postrace cooked breakfast and a reusable medal.

Three circular routes of 14, 20 and 30 miles around Sevenoaks with new sections and countryside views, indoor checkpoints and hot food at the finish; entries are limited and open from 1 October 2026 to 2 March 2027.

Twelve consecutive days of timed riverside running in Walton on Thames with multiple distance options, collectible daily lantern medals, finishers shirts, and a Double-Down option to run two half marathons each day.

A 50km trail ultramarathon through the Chilterns centered at Stonor Park, run as two 25km loops with 4000 ft of climb, five aid stations and full medical support. The event has a nine hour finish limit and medals for all finishers.

Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.

An ultramarathon event in London’s Lea Valley on 20 March 2027, organised by Camino Ultra. The listing gives the location as London E15 2HB.

A PARAS'10 event in Friday Woods featuring a 3 mile loop with one to three laps, categories for runners, TAB entrants and canicross. A 2 mile junior race is available for ages 10 to 15.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.