Trail Running calendar near Diss 2025-2026

Explore Canterbury's historic centre in a time trial orienteering, with 5 mile and 5k courses past King's School, Westgate Gardens and St Augustine's Abbey. Fastest time wins and finish is at Canterbury Christ Church University.

Run at Grimsthorpe Castle at the Grim Reaper Running Festival with races from 10 mile to 100 mile and a team relay. Scenic 10 mile loop through ancient woodland and lakeside trails, plus night options, medals and on site camping.

Run the scenic Angles Way Ultra along the flat Waveney valley from Thetford to Great Yarmouth, with 50 km and 100 km options finishing by the sea. Fully waymarked and timed, cupless with checkpoints and coach transfers, this is a friendly t..

Enjoy a supported 50 km from Rochester to Tonbridge along the scenic Medway Valley Walk on mostly flat towpaths and trails. Aid stations, GPS tracking and the Tonbridge athletics track finish add a polished riverside vibe.

Run the Ridgeway Chase, a scenic point to point 60K ultramarathon along the Ridgeway National Trail from Ivinghoe Beacon to near Wallingford. Limited to 200 runners, it offers rolling climbs, reliable aid and sweeping countryside views.

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

Discover Valley of the Owls Run at Suffolk Running Centre on 7 June 2026, with races from 5k to ultra across scenic looped trails. Small field capped at 300, parking included and bespoke finisher medals make for a memorable day.

Run Sandringham offers scenic 5K and 10K routes across the Sandringham Estate, blending trail and road for a memorable summer run. Enjoy chip timing, a bespoke medal and goody bag while supporting local good causes.

Choose 10 miles or 20 miles through rolling Northamptonshire countryside at the Nene Valley Trail Run on 13 June 2026, with fully marked routes, friendly marshals and well stocked aid stations. Camping available at Castle Farm Campsite.

Run the Maldon Ultras on 20 and 21 June 2026 in Maldon, with 100 mile, 50 mile and 30 mile lapped races across fields, woodland and vineyards with estuary views. Small fields and scenic off road laps make for a friendly yet fierce ultra.

Run the Dunstable Downs Half Marathon, a scenic 21.2 km trail across chalk downland with over 450 m of climbing. Limited to 300 runners, the technical course features aid stations, a finishers medal and a National Trust backdrop.

Take on the Colworth Marathon Challenge over a three day weekend in North Bedfordshire, where three multi terrain races add up to a full marathon. Enjoy free camping, family entertainment and children's races while choosing one, two or all..

Join Cock a doodle Dawdle on 27 June 2026 at Hyde Hall Farm for undulating trails across grassland and paths, with distances from 5k to ultra for all levels. Limited to 300 entries, friendly aid station and bespoke medals add to the charm.

Run the 3 Brewers 10km at 3 Brewers Brewery in the Hertfordshire countryside, or try the new 5km option over mostly off road multi terrain trails. Celebrate with a free pint, live jazz and support charity Earthworks.

Run the full 82 mile Essex Way from Epping tube to Harwich lighthouse over challenging trails and country lanes. Enjoy supported checkpoints, GPS tracking and a 24 hour finish window for an epic route across Essex.

Fen Gallop on Sunday 5 July 2026 in Willingham offers a flat, scenic run through the Cambridgeshire fens with 10 km and 4 mile options. Friendly for families and walkers, the community event raises funds for Willingham School Association an..

Join the Bishop's Stortford Mitre at Jobbers Wood on Sunday 5 July 2026 for chip timed 10K and 5K races plus a fun 1K for kids. Support the Mitre Fund for new school sports facilities and pick a free finisher T shirt or tree planting.

Run the Norfolk Festival of Running at Bawsey Country Park on 12 July 2026 with trail distances from 5k to ultra, including marathon and half. A small field tackles laps on sand, gravel and grass with aid stations each lap. Bring your own b..

Ultra:5K 2026 invites runners to tackle repeated 5 km laps on the hour for 3, 5 or 10 laps, testing endurance on a hilly, twisty trail near Bedford. Enjoy on course support, a bespoke finisher medal and relaxed festival vibes.

Take on Shotley 24, a 24 hour camping and trail running weekend on a scenic 4.3 mile coastal loop around Shotley peninsula. Solo runners and teams can enjoy mixed terrain, overnight camping at HQ, yoga sessions and post race treats.