Trail Running calendar near London Borough of Richmond upon Thames 2026-2027

Join NOT the London Marathon Run 2026 on Sunday 26 April in Walton on Thames for a flat, certified lap course along the riverside towpath. Choose marathon, half or a 7 hour timed challenge, enjoy flexible starts and a commemorative medal.

A spring trail run of around 10 km through bluebell-carpeted woods in the Chiltern Hills, starting from Tring and led in ability groups by Run Leaders. Facilities include a cafe, toilets and bag storage; dogs allowed with cani-cross kit.

Two route options across the South Downs National Park, 28 miles (about 4000 ft ascent) or 18 miles (about 2800 ft ascent), with checkpoint food, route files provided, and an 11-hour completion limit.

A multi terrain *5 km* race at Fineshade Wood on 26 April 2026 set in Northamptonshire woodlands. Finishers receive a bespoke medal and a virtual completion option is available.

Run a scenic 7 hour timed challenge along the River Thames at Wraysbury on Friday 1 May 2026 and choose your distance from 3 km to ultra. Friendly aid, medals and goody bags make this intimate 300 runner event ideal for PBs or relaxed miles..

A multi-distance trek and trail event on the Isle of Wight with routes from 10 miles to ~106 km, supported rest stops, medical teams, GPS tracking and camping and transfer options over 2–3 May 2026.

A 100 mile marked point to point trail race from Richmond in London to Oxford with a 30 hour limit. Minimum age 20 and a 50 mile qualifier required; aid stations, drop bag points and mandatory kit checks are provided.

A guided 30 mile trail run near Guildford following sections of the North Downs Way and the Greensand Way. The group led by an experienced ultra coach includes climbs such as Leith Hill and finishes back at West Hanger.

Run the Mid Sussex Marathon Weekend, a three day festival across East Grinstead, Haywards Heath and Burgess Hill with 10 mile races, a 10k and a combined full marathon. Expect varied, undulating routes and family friendly fun.

Run Silchester offers scenic trail races from the village playing field along the Roman Wall and through ancient woodland, with a 2.5 mile fun run plus 5 and 7 mile trail races. Enjoy festival vibes, medals and community fundraising for the..

Run For Your Life on 2 May 2026 at Parliament Hill, Hampstead Heath offers 10 km, 5 km and a 2 km Fun Run on scenic trails past Kenwood House. Managed starts and medals welcome all while proceeds support Jubilee Hall Trust.

A five mile off road race around Hurstbourne Tarrant on Saturday 2 May following part of the Test Way through woods and farmland. The volunteer organised event donates proceeds to local charities and offers timed entry fees by date and affi..

Tempo Trail Races take over the Cotswolds on Sunday 3 May 2026, with routes ranging from 10K to a 100KM ultra. Choose your challenge and enjoy rugged trails, a friendly atmosphere and UKA backed organisation.

Join the Rapid Relays at Culden Faw Estate for solo or team relays, 5K and 10K sunrise runs, plus downhill time trial challenges. Chip timed with live splits, scenic woodland trails and free parking make it perfect for teams and supporters.

A trail running event on the South Downs at Lancing Manor Leisure Centre on 3 May 2026. Offers marathon, half marathon and a 5 mile trail while supporting Ferring Country Centre and local Sussex charities.

A guided trail run on Box Hill that gains about 1000 m over 12.5 miles, featuring technical climbs, scrambling and varied terrain. Group paced for sustained trail running ability with parking at Stepping Stones Car Park.

The Marlborough Downs Challenge offers two off road trail races across the North Wessex Downs, a 33 mile ultramarathon and a 20 mile trail. Routes visit Wansdyke, Avebury and other Wiltshire landmarks with notable elevation.

A guided 5 km spring trail run in the Chiltern Hills with a Movement Project session to improve range of motion. Groups are led by Run Leaders and the venue offers a cafe, toilets and bag storage.

Trail running around Winchester with four distances from 14 miles to 50K. Fully marked, chip timed course with aid stations, marshals and set cut off times; start and finish at Winchester Rugby Club.

Join Muddy Runners for the Harewood Forest Trail Race, a spring 5k and 10k through undulating woodland trails near Andover. Scheduled for 4 May 2026, this scenic, muddy course is perfect for adventurous runners; registration opens soon.