Trail Running calendar near Grantchester 2026-2027

Event Overview The Dragonfly Challenge is a timed running event with a 6-hour duration. Participants decide how far they run by completing as many laps of a 5.3 km (3.3-mile) course as they wish within the time limit. This means the total d..

Enjoy a flexible 7 hour time challenge along the scenic River Thames in Egham. Run or walk as many laps as you choose to earn a medal and special distance pins at this inclusive midweek event.

A marked 100 mile point to point trail race from Richmond in London to Oxford with a 30 hour time limit, held mainly on groomed paths and paved pathways under a UKA permit.

Experience a guided 30 mile group run through the Surrey Hills featuring the North Downs Way and the Greensand Way. This non competitive ultra includes summits like Leith Hill and expert coaching throughout the journey.

Run Silchester is an annual village trail event offering 2.5, 5 and 7 mile routes that pass a Roman wall, a 12th-century church and woodland. The event raises funds for the Silchester Sports Pavilion Charity and supports a local food pantry..

Experience the scenic trails and woodland paths of Hampstead Heath in this annual charity event featuring chip timed races and a community fun run with views of the London skyline.

A 5 kilometre obstacle course at Stoneleigh Park on 02 May 2026 with climb crawl and slide challenges. Minimum fundraising target is £50 and the event is not suitable for wheelchair users.

Tempo Trail Races in Ilmington on 3 May 2026 features 100K, new 50K, marathon, half marathon and 10K trail distances with feed stations, baggage support and a tracker for the ultras.

Experience a guided group trail run through the Surrey Hills designed to reach 1000m of elevation. This non competitive 12.5 mile journey features technical climbs and woodland trails led by an experienced mountain leader.

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 5 km trail run in the Chiltern Hills on 3 May 2026 followed by a Movement Project class. Participants are grouped by ability and supported by Run Leaders; facilities include a cafe, toilets and bag drop.

A friendly trail run on Headley Heath near Leatherhead with a two lap 10 km route through open and woodland paths. The undulating course has a small hill on each lap and offers scenic views and bluebells.

A stage trail relay along the Roach Valley Way covering 23 miles in four legs for teams of four. Proceeds benefit Havens Hospices and each leg is timed and scored by marshal teams while runners navigate using maps and way markers.

A guided **10 km** group trail run at High Lodge in Thetford Forest, led at a conversational pace and organised by ESCAPE trails. Mostly flat woodland trails on mixed surfaces, with a participant fee and parking charge.

Take on the Freddo Mercury Rhapsody Run along a flat riverside towpath at Xcel SPORTS HUB, logging as many 5.3 km laps as you can within a relaxed 7 hour limit. Rock up in a 1.5 hour start window or request a time, with aid stations and opt..

Kick off the championship series with this 15k spring trail run in Boreham. Enjoy a scenic route consisting of 95% off road paths through footpaths and bridleways with on site amenities and optional swim access.

A six hour looped trail event at Beacon Hill Country Park on 8 May 2026 featuring a 3.3 mile off road circuit. Runners choose how many laps to do, may continue into dusk and darkness, and must carry a head torch after dusk.

A 100 kilometre trail ultramarathon in the Chiltern Hills on 9 May 2026, following an anticlockwise loop past Ashridge, Coombe Hill and Whiteleaf. The fully marked route has open GPS tracking, six checkpoints and a 250 runner limit.

A point to point 50 km ultramarathon from Horsham to Brighton seafront on 9 May 2026, featuring multi terrain trails, four feed stations and a 9.5 hour cut off. Individual and two runner relay entries are offered with team prizes.

A one-day trail festival in Suffolk on 9 May 2026 offering three distances, including new 50 km and 50 mile ultras, finishing at Nicholas Everitt Park with on-course support and GPS tracking.