Trail Running calendar near Chelmsford 2026-2027

We have found 484 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

A weekend trail running festival at Mill Farm, Lurgashall, featuring 50 km, marathon, 16 mi, 12 km and a 2 km LittleFeet run, with camping, glamping, on-site village activities and stocked aid stations including PH1000 electrolyte.

An evening trail event at Wendover Woods on 18 July 2026 supporting the Chilterns Neuro Centre, with 10K, 5K and a 1.5K accessible loop. Routes are fully marked and marshalled and the event is licensed by the Trail Running Association.

A 24 hour camping and trail running weekend on the Shotley peninsula with a fully marked 4.3 mile coastal lap over varied terrain. Entry options include solo and teams, with camping included at race HQ.

A weekend running festival at Blackland Farm on 18–19 July 2026 offering 1-mile lap formats: 24-hour and 12-hour solos, team relays, plus P24 and P12 paced challenges. Off-road course, camping included and limited Bell Tent upgrades.

MacTuffX Brighton at Withdean Stadium on 18 July 2026 is a functional fitness race with Solo, Doubles and Relay formats. Competitors complete ten Xercises plus repeated runs over 400m or 800m, with standard and LITE weight divisions.

A 5k obstacle event at Tilgate Park on 18 July 2026 where participants climb, crawl and slide around Tilgate Lake while raising funds for cancer research. Waves start every 15 minutes and participants must be 13 or older.

A 5 km muddy obstacle course at Stoke Park, Guildford on Saturday 18 Jul 2026, with climbing, crawling and sliding in staggered waves. Minimum age 13 and a minimum fundraising target of £50.

Trail races at Winwick Hall Estate on 19 July 2026 include fully marked *10k* and *5k* routes plus a *2k* children’s race, on varied terrain with on-course support. A share of entry fees benefits the Bruce Green Foundation.

A chip timed 10 km race around Highfield Park and the Alban Way in St Albans on 19 July 2026. The event village features a free family fun run, kids zone, live music and a charity partnership with Alzheimer’s Research UK.

A trail event at Pippingford Park Manor offering 10 mile and 5 mile options on hard packed forest trails with about 1568 ft of climbing. The route includes notable climbs and descents, bespoke medals for finishers and free parking.

Set your own distance goal in this 6-hour trail running challenge. Runners complete as many 5K loops as they can on a scenic, 95% off-road course. Every finisher receives a medal.

A hilly multi loop trail event around Holmbury Hill offering a half marathon and a same day 10 mile option, with six drink stations, first aid support, free parking, and a commemorative medal for finishers.

A muddy 5k obstacle event at Hylands Park, Chelmsford on 19 July 2026 featuring climb, crawl and slide elements in staggered waves. Participants must be 13 or older and there is a minimum fundraising target of £50.

A guided *10 km* group trail run at High Lodge in Thetford Forest on 19 July 2026, led at a conversational pace and organised into ability groups. Entry costs £12.50 and parking is charged at £4.

A single day entry in a 10 day series hosted by Zig Zag Running at Suffolk Running Centre, offering distances from 5k to ultra. Day one follows the Denham Flats route with parking included and on course aid at base camp.

Enjoy a 10k trail run through Chelmsford featuring a unique brewery checkpoint. This non competitive event includes mid race and finishers drinks along with a commemorative medal for all participants.

A 7 hour timed riverside challenge near Egham with flexible start options, themed medals from 3 km and goody bags for finishers. The signed course is mainly on paths and tarmac with aid stations each lap.

A Friday running event on a flat 5.3 km out-and-back riverside lap near Walton on Thames offering distances from 5 km to ultra and finishers' medals including spinning Rubber Ducky designs.

A Pretty Muddy 5k obstacle event at Priory Park in Bedford where participants climb, crawl and slide around a grass and tarmac course in staggered waves. The event has a minimum fundraising target of £50 and separate adult and child entry f..

City to Sea 2026 is a two-day running event in London on 25 and 26 July 2026 featuring an ultra marathon for individual age group entries. The start is at Station Approach SE1 8SW and the listed entry fee is USD 120.

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