Trail Running calendar near Knettishall 2026-2027

Outrun Archway offers recurring, in-person trail runs at Whittington Park in north London. Led by queer folks, the sessions prioritize a space for all paces and typically cover about 6k on unpaved surfaces.

Backyard Ultra at Delapre Abbey in Northampton offers solo, pairs or an 8 loop option on 4.167 mile (6.7 km) hourly loops. Entry fees range from £85 to £225.

The inaugural Essex County Fell Championships features a new 10km course with 450m of climb. This open-entry fell race offers county prizes for qualified Essex runners. Every finisher receives a free drink.

A six hour timed challenge at Northampton Active offering distances from 5K to ultramarathon, run as laps on a 4.37 mile circuit. Aid tables, a finishers medal and a goody bag are provided.

Experience a trail running festival at Billingford Fishing Lakes & Country Park with distances ranging from 5k to Ultra. Enjoy a variety of terrains, finishers medals, and celebratory refreshments in a scenic park setting.

A self navigation trail race of about 6.2 miles at Mountfitchet Castle on 19 Apr 2026, for runners aged 16 and over; entries include a £4 tea room voucher and results are published on the organiser’s website.

A limited capacity evening trail run of 5 miles for over 18s with the course run in reverse from previous years. Route files are provided beforehand and finishers can exchange their race number at the bar for a drink.

Trail run at Barningham Estate offering 10k, 20k and 30k single lap routes across off road North Norfolk terrain. Fundraising supports Little Lifts Boxes for people receiving breast cancer treatment.

An inflatable 5K obstacle course in St Albans on Saturday 25 April 2026, featuring a series of inflatable obstacles along a 5K route; recent booking figures and participant feedback indicate active interest.

A community running event in Hadleigh on 25 Apr 2026 with approximate 9.5-mile and 4.5-mile courses, staggered starts, and fundraising for the Shelley Centre for Therapeutic Riding.

Trident Grantham Triathlon on April 26 2026 at Grantham Meres Leisure Centre is a sprint triathlon with a pool swim, a three loop bike course and a two loop run. Entry options include solo, team and aquabike, with aid stations, marshals and..

A multi-distance road event at Suffolk Running Centre on 26 April 2026 offering 5k, 10k, half and full marathon options; the marathon uses the officially measured Kirtling Route, aid stations appear every 10k and parking is included.

A spring, group-led trail run of around **10 km** through bluebell woods near Tring in the Chiltern Hills, with Run Leaders, trail-running tips, bag storage and nearby cafes. Dog friendly with cani-cross equipment.

A multi-terrain 5 km race at Fineshade Wood on Sunday 26 April 2026 as Race 1 of the Northants 5K Series. The event includes bespoke finish medals, a virtual completion option with posted medals, and ANPR cashless parking.

A guided 10 km group run at High Lodge in Thetford Forest for Forestry England members only. Runs are led at a conversational pace on mostly flat woodland trails with parking available.

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 five round summer trail series at Langdon Discovery Nature Park beginning 28 Apr 2026. The first race is a 5k for ages 12 and over, with on the day entries charged at the same price as online.

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.

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.