Trail Running calendar near Chelmsford 2026-2027

We have found 489 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

The The Ridgeway Challenge will take place in Tring on Saturday 29 May 2027. You can run between 86 and 139 kilometers.

The The Ridgeway Chase will take place in Brill on Saturday 29 May 2027. You can run 60 kilometers.

June 2027

A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.

A 5k obstacle course at Royal Windsor Racecourse with mud obstacles to climb, crawl and slide, mixed tarmac and grass surfaces, staggered wave starts and a minimum age of 13. Earlybird entry prices and a fundraising target apply.

The Race for Life Pretty Muddy Reading will take place in Reading on Saturday 5 June 2027. You can run 5 kilometers.

The Race for Life Pretty Muddy Milton Keynes will take place in Willen Lake on Saturday 5 June 2027. You can run 5 kilometers.

July 2027

A multi-distance trail running event in the South Downs area offering 100k, 75k, 50k, 20k and 10k routes, coach transport to starts, camping, venue food and a licensed bar.

September 2027

A mixed-terrain trail event along the Thames at Remenham Farm on 4 September 2027, offering a half marathon, a 10K and a junior race for under 11s with chip timing and themed medals.

October 2027

A 100K ultramarathon in the Chiltern Hills on an anticlockwise loop from Chesham, passing Ashridge Estate, The Ridgeway and Whiteleaf Hill, with marked route, open GPS tracking, aid stations and a 19 hour time limit.

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.