Trail Running calendar near Box Hill 2026-2027

A 26.2 mile, three lap marathon around Richmond Park with start and finish near Sheen Gate. The course features a 12 mile first lap and two 7.1 mile laps on the Tamsin trail, with drink stations, medical support and chip timing.

Experience the greenest borough of London with a 50K ultra or 25K trail run through Ealing. Navigate scenic canal paths and parks on this mixed terrain course featuring live tracking and aid station support.

Run a flexible distance along Winchester's scenic Itchen Way. Choose your laps from 2.62 miles up to an ultra within a 7-hour window, with a famous aid station and a finisher's medal for all.

A trail and coastal event in Essex offering a half marathon to Heybridge Basin and a marathon to Tollesbury, with aid stations, a bag shuttle and a cupless policy; finisher items include a bespoke medal, T shirt and goody bag.

Trail Half Marathon and 10K in the Chiltern Hills near Bellingdon, Chesham. The run takes place alongside the Chiltern 100 cycle sportif, supports Alzheimers Research UK and offers on site parking and camping.

A 10 km multi-terrain trail run at Marlow Rugby Club featuring local trails, woodland and Thames towpath. Entries include timing, a medal, a pint cup with a free drink, and basic on-course support; minimum age 16 and a two hour cut off.

A timed Friday event on a flat 5.3 km out-and-back course along the river Thames, with lap-based distances from 5 km to ultra and a £10 Run for a Tenner entry benefiting Rays of Sunshine.

Test your endurance at this 50km multi terrain ultramarathon in Maidenhead. Complete the signed course before the official end of daylight to earn your finishers medal and mementoes.

A point to point 86 mile trail race on The Ridgeway National Trail from Ivinghoe Beacon to Avebury with open GPS tracking, eight checkpoints and a 28 hour cutoff. The event is licensed by the Trail Running Association and limited to 150 run..

A 50 km ultramarathon along the River Medway from Rochester to Tonbridge, running mainly on marked towpaths and trails past three medieval castles. The event features live timing, three aid stations, medical support and a finish on the Tonb..

A point-to-point 30 km trail along the River Medway from Little Fant Farm to Tonbridge, passing East Farleigh, Teston Country Park and Yalding. The route finishes on an athletics track and includes checkpoints, GPS timing and a finisher med..

A 60 km point to point ultramarathon from Ivinghoe Beacon to Ridgeway View Campsite on 30 May 2026. The route covers about 1000 m of ascent, includes four checkpoints with supplies and has a 10 hour time limit.

Experience an interval style racing event in Twickenham featuring repeat segments of 400m or 800m. Available for individual runners doubles or relay teams this May 2026 competition tests endurance through ten measured laps.

Experience a flat and supportive track running event at Wodson Park with distances ranging from 5k to a 6 hour ultra challenge. Enjoy a chip timed race featuring a dedicated aid station and a bespoke finisher medal.

The Southampton Running Festival will take place in Bishop's Waltham on Sunday 31 May 2026. You can run between 5 and 21 kilometers.

Experience a unique 50km point to point ultramarathon from the heart of South London to the rural lanes of Kent. Enjoy a supported journey through urban streets and scenic countryside with well stocked aid stations along the way.

A guided 13-mile trail half marathon around the Surrey Hills, starting and finishing in Guildford, with routes that include St Martha's Church, Shere, Newlands Corner and parts of the North Downs Way. Group run format, not a race, cost £25.

A timed riverside event on a 5.3 km out and back Thames course where runners choose how many laps to complete within a seven hour limit. Ten pound entry supports the Rays of Sunshine charity and a double sided medal is awarded.

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

Test your limits at this 24 hour trail relay in Wasing Park. Run as a solo athlete or in teams of up to 12 people on a scenic 8km loop through historic woodland.