Trail Running calendar near Thetford 2025-2026

We have found 172 Trailruns within 80 miles of Thetford. See below where and when you can find the races.

Explore Canterbury on foot at the Canterbury City Race European Tour from 22 to 24 May 2026. Three lively urban orienteering races send you through the medieval centre, cathedral quarter and university campus for a fast weekend of navigatio..

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.

UTMB Index

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..

Discover Ealing on foot at the Queen of the Suburbs Ultra, a single borough trail event offering a scenic 50k ultra and a friendly 25k loop. Wind through parks, canal paths and Horsenden Hill for leafy views across west London.

Run the full 86 mile Ridgeway National Trail from Ivinghoe Beacon to the Avebury Stones, tackling rolling chalk ridges and ancient landscapes within a 28 hour cutoff. A tough but rewarding UTMB World Series index race with full support.

UTMB Index

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 60 km along the ancient Ridgeway from Ivinghoe Beacon to near Wallingford across chalk ridgelines and rolling downs. With 1000 m ascent, a 10 hour limit and UTMB World Series status, this scenic ultramarathon tests endurance and pace.

June 2026

Tackle the Griffin Challenge, a six hour out and back run along the Griffin Trail from Braybrooke Taproom in Market Harborough. Choose your distance on a mostly flat 3.3 mile loop, then unwind with food and drinks at the Taproom.

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.

Join the Coombe Hill Fell Race in Wendover for a punchy 7 km with about 220 m of climb, including a steep ascent and descent. On the day entry is available and your entry includes a pint at the finish.

Join Chase The Sun at Clapham Common on 10 June 2026 for an evening 5K or 10K on a flat, scenic park course past the bandstand. Expect chip timing, free photos and a unique themed medal to celebrate your finish.

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.

Tackle scenic, hilly forest trails at Wendover Woods with half marathon, 10k and junior options on 14 June 2026. Enjoy multi lap routes, on site cafe and family friendly facilities plus medals and free photos.

Take on the Three Shires Way on 20 June 2026, a point to point trail through ancient woodlands and countryside across Buckinghamshire, Bedfordshire and Northamptonshire. Choose a 50 mile ultra or a marathon, finish at Grafham Water with aid..

Join a scenic trail half marathon across Dunstable Downs with sweeping ridge views, steep climbs and thrilling descents. Limited to 300 runners on 21 June 2026, this challenging 21.2 km course is perfect for elevation lovers.

UTMB Index

The Run Sandringham 10K will take place in Norfolk on Sunday 21 June 2026. You can run between 5 and 10 kilometers.

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.