Trail Running calendar near Croydon 2025-2026

Join a guided 10km trail run at atmospheric Hankley Common, often held as sunset or night runs and passing the Lion's Mouth and famous film locations. This relaxed group run is not a race so enjoy guided trails, varied views and unique mili..

Run the Chiltern Hills on a guided trail half marathon based at The Home Office in Tring, led by qualified leaders who group runners by ability and teach trail technique. Enjoy scenic trails, a midcourse refreshment stop and finisher medal.

Test your mettle at Fortitude Ultra in Pippingford Park, a 10 hour challenge to complete 10 laps of 3, 4 or 5 mile loops through wooded, hilly trails. Basic camping available and a true back to nature endurance experience.

Take on the Ashridge Boundary Run on 28 March 2026 in Aldbury, a scenic 17.5 mile trail around the Ashridge Estate starting and finishing at Aldbury Recreation Ground. National Trust backed, with water stations, a finisher gift and prizes.

Run the South Downs from historic Arundel with scenic single loop 50k and half marathon options, starting and finishing at Arundel Football Club. Trails through woodlands, castle views and rolling hills make this a memorable spring trail ch..

Take on the scenic 16 mile Combe Gibbet to Overton race through Berkshire and Hampshire countryside on 29 March 2026. Limited to 250 runners, the event includes coach transfer to the start and kit transport back to the Overton finish.

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.

Run the Rose of the Shires, a scenic 54 miles loop from Brixworth Country Park through Salcey Forest, canal towpaths and 21 villages. Mostly off road and a UTMB index 100K, the route offers navigation challenges and relay team entries.

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.