Trail Running calendar near Diss 2025-2026

We have found 111 Trailruns within 80 miles of Diss. See below where and when you can find the races.

Enjoy a sunset trail run through Ickworth Park's rolling woods and meadows with 5k and 10k options. Chip timed race with a finisher medal and first aid on site; bring grippy shoes and a torch for safety.

Run 4.167 mile loops each hour at High Lodge in Thetford Forest until one runner completes an extra lap. Chip timed main race has a £250 prize and free entry to the summer Back Yard Ultra.

Take on the 50 km Boudicca Way ultra through scenic Norfolk countryside from Diss to Trowse, Norwich on 12 September 2026. Limited to 250 runners, enjoy checkpoint support, GPS tracking and a warm finishers meal.

Run a scenic 50K along the Suffolk coast from Lowestoft to Aldeburgh, largely flat and UTMB World Series Index registered. Expect coastal views, four aid stations and a welcoming nine hour time limit.

The Lucky Horseshoe invites runners to tackle scenic out and back trails around Bury St Edmunds on 19 September 2026, with distances from 5k to ultra and friendly aid stations. Expect a bespoke finisher medal and a welcoming race village at..

Join The Pumpkin Run in Colchester on Sunday 27 September 2026 for 10K, 5K or a fun 1K family dash through scenic fields and a festive pumpkin corn trail. Expect chip timing, an event village, exclusive medals and plenty of family friendly..

October 2026

Take on 25 km of scenic trails through Epping at the London EcoTrail, an eco focused run that blends challenge with beautiful countryside views. Perfect for trail lovers seeking a green, memorable race day.

Push your limits at Loop Til You Drop Backyard Ultra at Turvey House. Run a 6.7 km loop each hour, starting on the hour, and see who lasts longest; single, paired and 7 Hour Max entries welcome.

Endurancelife comes to Dunwich on 11 October 2025 with scenic flat courses through forest, moorland, grass and beach. Distances from 10K to a 32.7 mile ultra, fully marked, timed with medals and instant splits. Waitlist open.

Stort30 is a 30 mile ultramarathon along the River Stort towpath, flat and scenic, out and back from Bishop's Stortford. Toilets, showers and aid stations plus a finishers medal make it a friendly test for experienced runners.

December 2026

Take on the new winter St Edmund Way Ultra on 5 December 2026, an 80 miles route through Essex, Suffolk and Norfolk. Remote trails, checkpoints and live public tracking make this a true day and night test of endurance.