Trail Running calendar near Diss 2026-2027

We have found 174 Trailruns within 80 miles of Diss. See below where and when you can find the races.

A five mile autumn trail run on 24 Sep 2026 near Mill Green in Ingatestone. Small capacity event for over 18s with a regular anti clockwise route and compulsory phones and headtorches.

A Backyard Ultra near Welwyn Garden City with runners repeating a 4.167 mile loop each hour until one runner finishes alone. The event runs across day and night with pub facilities, spectator access and on site marquee space.

Experience an autumn run through scenic pumpkin fields and farm tracks in Colchester. With 10k, 5k, and 1k distances, this flat off road event features chip timing and a family friendly event village.

Trail running at Billingford Lakes on 27 Sept 2026 using a 5.3 km out-and-back loop on mixed surfaces. Parking and a base-camp aid station are provided; the event is cupless and all finishers receive a bespoke medal.

Run Sandringham on 27 September 2026 features a Half Marathon, 5K and Community Mile around the Sandringham Estate. The event includes chip timing for the Half and 5K, water stations, medical support and on site parking.

A community charity event on Sunday 27 September 2026 near Grantchester offering chip-timed 10k and 3k courses through farmland, medals for all finishers, trophies, and fundraising for Maggie’s and Addenbrooke’s Charitable Trust.

A community running event in Manuden on 27 September 2026 with 10k, 5k and 1k races, on-road starts then off-road bridleways, water stations and medals for finishers. Funds raised support Sands, St Clare Hospice and village organisations.

A functional fitness race on 27 September 2026 in London featuring ten Xercises and repeated runs, with Solo, Doubles and Relay formats, standard and LITE weight divisions, and published entry fees for each format.

October 2026

A 25 km trail race in Bell Common, Epping organised by London based Camino Ultra. The event is scheduled for 3 October 2026 at CM16 4EA in the UK.

A charity 5 mile off road trail race through Cawston Park in Norfolk, chip timed and marshalled, raising funds for Norfolk Lowland Search and Rescue with on site parking and refreshments.

Multi-terrain 10 km and 5 km runs around Thompson, Norfolk, with bespoke medals for all and trophies for top finishers. Proceeds support the Thompson Millennium Green Charitable Trust.

A 50 mile coastal ultramarathon along the Essex saltmarshes, starting at South Woodham Ferrers Rugby Club and finishing at Maldon Promenade Park. Fully supported with aid stations, GPX route files, a shuttle option and a 15 hour cut off.

A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.

Endurancelife's Suffolk event in Dunwich on 10 Oct 2026 offers 10K, half marathon, marathon and ultra trail options across forest, moorland, grass and beach and counts toward the Season Leaderboard.

A half marathon and 10K through Epping Forest, London on 10 October 2026, run on marked woodland trails with aid stations, chip timing and an eco friendly focus.

A 20 mile looped trail starting and finishing inside the 18th Century Landguard Fort, crossing two nature reserves, two river estuaries and the Port. The event includes three feed stations, a drop bag service, a long-sleeve T-shirt and a me..

Two fully marked trail races around Grafham Water from Marlow Park, offering a 10k and a half marathon with GPX routes, on-course support, age limits and cupless provision. Prizes and a finisher medal are included.

A single-lap 10K on 11 October 2026 around Burnham on Crouch, featuring sea wall coastal paths and countryside trails. The event is based at Dengie Hundred Sports Centre with free parking, facilities and post-run food and drink.

A traffic-free 13.1 mile circular trail through Thetford Forest featuring hard-packed and grassy paths, wildlife views, cupless water stations, an eco-friendly finisher medal and podium trophies; minimum age 17 and a 3.5 hour cut-off.

An inflatable obstacle course event in Norwich on 17 October 2026 offering 2.5k, 5k, 10k and 15k options. Family friendly with medals, music zones, a midway water station and on site food vendors.

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.