Trail Running calendar near Kingston upon Thames 2026-2027

A round of the Kent Backyard Ultra Series at Lillyroo’s Glamping near Deal, run on a flat 4.167 mile coastal loop. The event offers the open-ended Backyard Ultra format plus a separate 7 Hour Challenge and on-site camping and food.

Races on the Thames Path at Wraysbury Skiff & Punting Club in Runnymede offering Marathon, Half Marathon and 10 km courses with marked turnaround points and stocked checkpoints.

A 28 mile run along the traffic free Brampton Valley Way, staged as a Leicestershire versus Northamptonshire contest with 100 places from each end. The route includes two dark tunnels, feed stations every 4.5 miles and a 7 hour cut off.

A running festival at Haughley Park, Suffolk with looped courses through pathways and woodland, onsite parking, lap aid station and bespoke finisher medals. Distances range from 5k to ultra marathon.

A trail weekend at Cowdray Estate, West Sussex offering five distances from 12 km to 110 km, low technical difficulty, an event village with expo, and optional camping and race support.

A 50K ultra across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow via the Ridgeway National Trail, with about 996 m of ascent. The fully marked route has three aid stations and a 9 hour time limit.

Windsor 50 offers looped 50 km, 25 km and 10 km routes from Windsor Racecourse through the Great Park, Runnymede and the Thames Path. The event provides signed routes, rest stops, medical and massage teams, GPS tracking, and finisher awards..

A guided *42.2 km* trail marathon through the Chiltern Hills, led by qualified run leaders. The route uses the Ridgeway and Wendover Woods, with checkpoints, refreshments, bag drop and a wooden finisher’s medal included.

The Mid Sussex Marathon Weekend will take place in Haywards Heath on Saturday 17 April 2027. You can run between 10 and 26 miles.

Ibstone Circle on 18 April 2027 offers multi-terrain 5 km and 10 km routes through Wormsley Estate plus a Run in Colour for children aged 4 to 11. Fees vary by age and affiliation.

A multi-distance canal and riverside ultraseries based at Streatley-on-Thames, featuring TR250, TR150 and TR100 with GPS tracking, checkpoint support and required navigation using provided GPX files and maps.

An inflatable obstacle-course event in St Albans on 24 April 2027 offering 2.5k to 15k options, giant inflatables, five music zones, on-course hydration and a finisher's medal.

A blindfolded navigation challenge in Winchester where participants are dropped at unknown locations and must find their way back on foot. Options include 6 miles for visitors and 10 or 15 miles; no maps or GPS and a sealed emergency bag is..

An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.

A multi-distance road event at Suffolk Running Centre on 25 April 2027 offering 5k, 10k, half and full marathon on officially measured scenic routes with aid stations, parking and a bespoke finisher medal.

A five mile off road race through woods and farmland around Hurstbourne Tarrant in the North Wessex Downs. Organised entirely by volunteers since 2009, the annual event donates all proceeds to local charities.

A Pretty Muddy 5k obstacle course at Lydiard Park on 01 May 2027 featuring mixed paths, hills and muddy obstacles. The event has wave starts, blue badge parking on grass and a minimum fundraising target of £50.

A multi-distance trail event on 1 to 2 May 2027 from Chale basecamp around the Isle of Wight, featuring routes past the Needles and Cowes. The event includes regular rest stops, GPS tracking, camping options and finishers' kit.

A single entry that covers four Centurion 100 mile races held between 1 May and 17 October 2027. Minimum age 20, published fees apply and optional XCover insurance is available.

A 100 mile trail race along the Thames Path from Richmond to Oxford on 1 May 2027, with 1900 ft of climb, a 30 hour cut off and a minimum of twelve aid stations. Entries require a qualifying 50 mile finish within 15 hours.