Trail Running calendar near Norfolk 2026-2027

Take on a coastal adventure with sandy trails and undulations in the Heritage Coast Run. Choose between a 10k or half marathon, both sharing a scenic, mostly off-road route. There's even a special 10k category for runners with dogs.

A guided **10k** group trail run through High Lodge in Thetford Forest, led at a conversational pace on mostly flat woodland trails. The event allows two hours, has a £4 parking charge and an entry fee of £12.50.

Guided trail runs at High Lodge in Thetford Forest combine running on miles of woodland trails with facts about the forest and practical trail running tips. Routes include 10k and 16k options and events include both paid and free entries.

A mainly off road 15k trail run at Trifarm, Boreham on 06 May 2026 featuring an anticlockwise route on public footpaths and bridleways, on-site parking, water points and manual timing.

A six-hour off-road challenge at Beacon Hill Country Park on a 3.3 mile loop. Participants complete as many laps as they wish within the time limit; a head torch is required for laps started after 7pm.

Trail ultra in Sherwood Forest offering 30 mile and 40 mile loops that pass Thoresby Estate, Creswell Crags and Welbeck Estate. The course is fully marked, has aid stations and provides finisher medals.

Three trail distances in Suffolk including 50 km and 50 mile ultras plus a full trail marathon, finishing at Nicholas Everitt Park. Entries include checkpoint food, GPS tracking, a medal and prizes for top finishers.

A multi-distance weekend at Deene Park near Corby offering three standalone trail challenges and a combined 56.1 km Quest, with varied surfaces, woodland terrain, evening running and free camping.

A weekend of muddy obstacle races at the Secret Nuclear Bunker Estate in Essex, with distances from 1.5 km to 38+ km, signature obstacles like the Deathslide and zip lines, chip timing and on-site facilities.

A **5 km** run at Banham Zoo that passes animal enclosures, includes full-day zoo entry and a finisher medal, and raises funds for conservation; spectator tickets and fundraising prizes are available.

A Pretty Muddy 5k obstacle course at Norfolk Showground featuring climb, crawl and slide elements on a mostly flat route contained within the showground. Participants must be 13 or older and a minimum fundraising target of £50 applies.

A road marathon on scenic low traffic lanes around Halstead, marking its 30th running on 10 May 2026. The event is limited to 500 entries, is part of the Essex Road Running Championships and supports local charities.

A multi distance running event around Naseby in Northamptonshire featuring road and trail sections, landmark views and annually reversing course direction. Distances range from a 10K up to a 35 mile ultra with varied aid and navigation arra..

Road marathon and half marathon from Suffolk Running Centre on measured Kirtling and Windmill routes. Aid stations every 10k, parking included and bespoke finisher medals; the event is cupless so bring your own bottle or cup.

A self-guided 13-mile run along Letchworth's scenic Greenway trail. This is a run, not a race, due to road crossings. Finishers get a wooden medal and refreshments, with profits supporting a local youth mental health charity.

An inclusive UK trail running series offering 1K, 5K, 10K and kids races with free entry for under 16s, held at Dunstable Downs in May and Blaise Castle Estate in October 2026, with activities, food and live music.

A self‑navigated trail event in Thaxted on 10 May 2026 raising funds for Thaxted Windmill restoration. Two route options are offered, 5 miles (8k) and 8.25 miles (13k), with entry fees and a refreshment voucher included.

Race 2 of the Northants 5 km Series is at West Lodge Farm in Desborough on multi terrain routes through fields and nature trails. Finishers receive a bespoke medal; parking is free and on site refreshments are available.

An undulating, chip-timed trail 10K in Skellingthorpe on 15 May 2026 organised by Lincoln District Runners. The race had a 300-runner limit, offered medals and goody bags, and is currently listed as full.

A 50 km trail ultramarathon in Nottinghamshire on 16 May 2026, starting and finishing at Milestone Brewery, with checkpoints every 6 to 8 miles, a 10 hour cut-off, finish-line food and tap room access.