Trail Running calendar near Thetford 2026-2027

A guided 16k trail run at High Lodge in Thetford Forest with information about the woodland and practical trail running tips. Led in groups at a conversational pace, the event has an entry fee of £17.50 and parking charged at £3.

Experience the only Category A fell race inside the M25. This low key event features multiple climbs around Yardley Valley and finishes with scenic views of the London skyline from Pole Hill.

Point-to-point 50 Mile Ultra and Marathon along the Three Shires Way through Bucks, Beds and Northants, finishing at Marlow Park Grafham Water. Licensed races with checkpoints, mandatory kit requirements, coach transfers, prizes and free ra..

Timed 6, 12 and 24 hour trail races around a 2.5 km loop at Leybourne Lakes Country Park on 20 to 21 June 2026. Solo and relay formats, live timing, medals and a race village with food and medical support.

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.

A 5K off-road trail run around Castle Bytham within the Midsummer Festival, running across Lincolnshire countryside with marshals. Dogs on short non-retractable leads are welcome and junior runners may take part with a registered accompanyi..

A 5k obstacle course at The Rutland Showground on 20 June 2026 where participants climb, crawl and slide across grassy terrain. Entry supports Cancer Research UK with a minimum fundraising target and a finishers medal.

MK24 Midsummer RunFest is a 24 hour lap event at Caldecotte Lake on 20 and 21 June 2026. Individuals or teams of two to six run 6.55 mile laps with camping, tee pee hire, free snacks and medals for distance milestones.

Celebrate the longest day at the Summer Solstice Challenge around Abberton Reservoir, a timed loop with 5 km laps. Run as many laps as you like, earn a medal and support Essex Wildlife Trust.

A 21.2 km trail half marathon on the National Trust's Dunstable Downs on 21 June 2026, featuring 450 m of ascent, two on-route aid stations and fully marked trails with GPX support.

Circular countryside routes of 26 miles and 18 miles around Baldock in Hertfordshire, with checkpoints, refreshments and a light finish meal. Entries close 13 June or when the 175 place limit is reached.

A trail running event set inside Trent Country Park, Enfield, with wooded paths, grassy sections and some hills. Races include a 10 km senior race, a 4.5 km junior race and a 2 km kids fun run.

A scenic off road 10 km trail at Panshanger Park with chip timing and a sustainable finisher medal; proceeds support local charities and a family fun run is included.

A 5k obstacle event at Trinity Park, Ipswich on 21 June 2026 that raises funds for Cancer Research UK. The grassy, fairly flat showground course features climbing, crawling and sliding obstacles and uses staggered wave starts.

Race two of the 2026 Trifarm trail series, this 10K summer run is over 95% off-road on public paths. Starting near a humpback bridge at Trifarm in Boreham, the anticlockwise course finishes with a lap around the lake.

Complete three races over three days to achieve a full marathon distance at the Colworth Estate. This multi terrain event in North Bedfordshire offers distances of 5 miles, 8.1 miles, and a half marathon.

A 24 hour obstacle course at Belvoir Castle on June 27 and 28, 2026. Competitors run repeated 5 mile loops with ice and greased quarterpipe obstacles; entries include individual, four person team relay, pit crew spectator and a post event b..

A multi-distance trail event at Hyde Hall Farm on 27 June 2026 offering distances from 5k to ultra, on-site parking, an aid station at the lap point, baggage storage and a bespoke finishers' medal.

TrailFest at Salcey Forest is a multi distance trail running day offering 10K, half marathon, marathon and 50 km on mainly hard packed forest trails. The event uses marked routes, a cupless aid policy and paid parking.

Experience a scenic 10km mixed terrain run through the trails and woodland of Hatfield. Starting and finishing at the 3 Brewers Brewery, participants enjoy chip timing and a complimentary drink at the finish line.