Trail Running calendar near Staines-upon-Thames 2025-2026

Take on a scenic 10K through Epping Forest on 29 March 2026, two laps on traffic free forest tracks with an undulating, multi terrain route. Limited to 600 entries and finishers receive a medal.

Take on the Gauntlet Treasure Run along a flat riverside towpath in Walton on Thames, doing laps of a 5.3 km out and back to build any distance from 5k to ultra within seven hours. Limited places and every finisher gets a medal.

Choose your distance on the day and tackle scenic looped courses through woods and trails around Chalfont St Peter, with pacers welcome and a trained medic on standby. Distances from 7k to ultra are offered and top three finishers earn meda..

Join The One in the Woods Henley on March 29, 2026 at Culden Faw Estate for duathlon, cross duathlon or offroad endurance on scenic laps. Expect chip timing, a finisher medal and a lively event village.

Celebrate the Galloping Grind reopening with the Easter Egg 10k trail in Chelmsford. Limited to 30 runners, this dusk run includes an on site chocolate egg hunt and a limited edition T shirt.

Run or walk riverside laps along the Thames at the Eggcellent Easter Orange Run in Runnymede, a flexible multi distance event for all abilities. Choose anything from 3 km to a 7 hour time challenge and earn an Easter egg themed medal.

Saturn's 7 Hour Time Challenge at Wraysbury Skiff & Punting Club (Wraysbury, TW20) is an inclusive, self-paced race along the River Thames. Entrants choose a distance from a 3 km lap, with full laps around about 7 km (4.37 miles) or a short..

Run the Testway Ultra on 4 April 2026 and choose a scenic 40 or 50 mile route along Hampshire's Testway with regular aid stations and a 14 hour cutoff. Medals and prizes await finishers.

Take on the Unbreakable Treasure Run on 5 April 2026 at Xcel SPORTS HUB, Walton on Thames, running timed laps along a flat riverside towpath from 5 km to ultra. Limited places and a 7 hour time cap make this a focused challenge with a keeps..

Take on the Mortimer 10km through scenic Berkshire woodlands on Monday 6 April 2026. This undulating two lap off road course features chip timing, medals and a dog friendly canicross start for runners with dogs.

Take on West Wight 3 Hills, an undulating 8 mile coastal loop from Freshwater that climbs Tennyson Down and Alum Bay. Organised by Ryde Harriers, it is scenic, testing and gives every finisher a souvenir.

Enjoy a scenic 5 mile loop around Hall Barn Estate with a tarmac start and finish at Beaconsfield Rugby Club. Organised by Burnham Joggers on 6 April 2026, this friendly trail run features marshals, chip timing and post race prizes.

Take on the Rose of the Shires Ultra, a 54 mile circular race from Brixworth Country Park through Salcey Forest, canal towpaths and quaint Northamptonshire villages. UTMB Index 100K event with a friendly atmosphere and a 13.5 hour cut off.

Take on the 50 Mile Grand Slam 2026 from Centurion Running and complete four epic 50 mile trail races across the UK. A true year long challenge for experienced runners seeking big miles, camaraderie and stunning scenery.

Run 50 miles along iconic chalk ridges from Worthing to a lap on Eastbourne athletics track, with rugged climbs, sweeping coastal views and a festival finish. This tough but rewarding ultra kicks off the 2026 50 Mile Grand Slam.

Take on the Henley River Half Marathon, 10K or Junior Race in Henley on Thames on 11 April 2026, with options for all ages including a kids race. Enjoy mixed terrain, riverside views, medals, free photos and a buzzing event village.

Tackle the Rosebud Marathon, a scenic 26.2 mile section of the Rose of the Shires Ultra around Northampton. Expect mixed trail and road terrain, live GPS tracking, manned checkpoints and a finisher medal.

Spring Run the Seasons Cowdray on April 11 offers scenic trail races across Cowdray Estate and the South Downs, with distances for kids, juniors and adults plus dog friendly CaniRun options. Enjoy varied trails and country views for all abi..

Tackle scenic chalky trails around the South Downs and Ditchling Beacon at the Maverick East Sussex Trail in Stanmer Park. Choose from 21 km, 13 km or 5 km routes with rolling hills, great views and a lively community atmosphere.

Join a guided trail marathon through the Chilterns and Ridgeway into Wendover Woods, tackling rolling hills and technical single track while qualified run leaders steer small ability groups. Midway refreshments and a wooden Run the Wild fin..