Trail Running calendar near Chelmsford 2026-2027

We have found 383 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

Enjoy a scenic one lap 10k through bluebell woods, undulating hills and open common in Surrey at Hampton Estate and Puttenham Common. Chip timed with bespoke 2026 medals, a friendly finish village and superb views.

A multi terrain 5 km race at West Lodge Farm in Desborough that passes fields, nature trails and farm animals, with a bespoke finisher medal and a virtual entry option to receive the medal by post.

A point to point ultra along the North Essex and South Suffolk coast offering 100 miles, 50 miles and 50 km options with GPX navigation, on course support and finishers' tech shirts and mementos.

UTMB Index

A 50 mile point to point trail run along the North Downs Way from Farnham to Knockholt Pound, with about 1,700 m of climb and six aid stations. The course covers the first 50 miles of the NDW100 and is part of the 50 Mile Grand Slam.

UTMB Index

Compton Harriers stage the Compton Downland Challenge on 16 May 2026 with a multi-terrain full marathon (26.8 miles) and a 16 mile route across the Berkshire Downs. The event includes aid stations, a seven hour limit and a hand-thrown finis..

Run through scenic vineyard hills at Denbies Wine Estate in Dorking on 16 May 2026 on a 5.3 km undulating off road loop. Choose as many laps as you like for distances from 5 km up to ultra with flexible start times and limited places.

Take on the Reigate Priory Park 10K on 17 May 2026, a measured four lap cross country route through scenic Priory Park. Open to ages 15 and over, this England Athletics affiliated race supports Sport In Mind and offers medals and trophies.

Run the scenic loop at Hurtwood Park Polo Club in Cranleigh, Surrey with distances from 5 km to ultra on mostly flat off road trails. Multi lap format and a seven hour time limit suit all paces and every finisher gets a memento.

A community running event in the parish of Deddington offering 5k, 10k and 20k routes on Sunday 17 May 2026. The event is open to all and supports local organisations including the Deddington Primary School PTA, Deddington PFSU and Deddingt..

Stort10 '26 at Cammas Hall Farm on 17 May 2026 offers scenic 10 and 5 mile off road loops through farm tracks and woodland with a friendly low key vibe. Finishers get a medal and a premium T shirt or a tree planted in their name.

Take on 18 miles of scenic Suffolk countryside from Nowton Park to Clare Castle Country Park, running or walking at your own pace. With a friendly atmosphere, medal for all finishers and support for St Nicholas Hospice, this is a challenge..

A guided 36 mile run along the Boudicca Way from Diss to Norwich Station on 17 May 2026. Led by qualified run leaders, the event is not a race and entry is priced at £35.

An evening event at Chelmsford Brew Co offering a GPX/Strava 10 km trail run or a relaxed hike, with entry including a drink, crisps and a finisher's medal; under 18s are not permitted.

A three day urban orienteering weekend in Canterbury from 22 to 24 May 2026 featuring a Friday prologue, a city race through historic streets, and sprint races on the University of Kent campus.

City-centre orienteering in Canterbury offering 5k and 5 mile individual time trial races with maps and basic navigation guidance, live results, prizes and on-site refreshments.

Four point to point races across the South Downs National Park finishing at Beachy Head, on mainly non technical, runnable trails. The event features marked routes, aid stations, live GPS tracking and finisher medals.

UTMB Index

A multi-distance trail event from Richmond upon Thames to Brighton on 23 to 24 May 2026. Distances include 100 km, 50 km, 25 km and 10 km with marquee rest stops, medical support, GPS tracking and optional camping.

UTMB Index

A Surrey trail running event on 23 May 2026 offering 20K, 41K and 62K routes that all finish at Burys Field, Godalming, with marked courses, regular aid stations and an 11 hour cutoff policy.

A single loop trail race in the South Downs National Park starting and finishing in Eastbourne. The 13.5 mile course follows the South Downs Way via Friston Forest, the Seven Sisters and Beachy Head with 2,000 feet of elevation.

Run the scenic Richmond Park Marathon, a 26.2 mile trail race through ancient woodlands and open parkland over three laps. UK Athletics affiliated and charity supported, it offers chip timing, aid stations and medals for all finishers.