Trail Running calendar near Greater London 2025-2026

Frogger Jogger is a timed lap race on the scenic Thames towpath in Walton on Thames where you can run 5.3 km laps to choose distances from 5 km to ultra. Places are limited, enjoy river views and digital race extras.

Run a 10k night trail at Salcey Forest by head torch, with Petzl demo lamps on site and hot drinks before and after the flat two lap course. Canicross entries start early and a tree token can replace a medal to plant wildflowers.

Test your endurance at the Elephant Challenge in Salcey Forest, a six hour timed event where you rack up as many 3.5 mile off road loops as you can. Friendly to canicross and rucking, this scenic trail run suits all paces.

Join a guided 10km trail run at Hankley Common to explore the Lion's Mouth Atlantic Wall and scenic filming locations. Led by an experienced coach, this social group run offers kit advice and chances to trial trail gear.

Run a guided trail half marathon across the rolling chalk hills and woods of the Chilterns with English Athletics qualified run leaders offering pacing and technique tips. Midrace refreshment, free parking and a finishers medal await.

Tackle a scenic, hilly timed challenge at Pippingford Park with 10 hours to complete up to ten laps of roughly 3, 4 or 5 mile loops. Enjoy rugged trails, basic camping and a finisher medal and coloured shirt to celebrate your day.

The Ashridge Boundary Run will take place in Aldbury on Saturday 28 March 2026. You can run 18 miles.

The Springtide 50k is an ultra running event held in the historic town of Arundel, West Sussex. This single-loop course offers a runnable, non-technical route through the scenic South Downs, making it ideal for beginners and experienced run..

Tackle 16 miles of undulating trails from Combe Gibbet to Overton across scenic Berkshire and Hampshire countryside. Managed transfers and kit transport included make this a classic spring cross country adventure.

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.

Celebrate the Galloping Grind reopening with the 3rd 10 km trail run at dusk in this Easter Egg edition. Only 30 places, includes a T shirt and post race egg hunt; bring a headtorch and high visibility gear.

Join the Eggcellent Easter Orange Run along the Thames for a fun, flexible 7 hour challenge where walkers are welcome and a cheerful orange egg medal awaits anyone covering at least 3 km. Riverside route, tasty aid station treats, and festi..

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..

The Testway Ultra is a challenging ultra marathon held in Hampshire, England, featuring 40 and 50-mile distances along the scenic Testway footpath. The route stretches from the chalky downs near the Northern Hampshire/Berkshire border to th..

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 on Monday 6 April 2026 at Mortimer Fairground, a scenic off road route through local woodlands and bridleways. A dog friendly canicross 10 km option lets you enjoy the race with your canine companion.

Take on a scenic 54 mile loop from Brixworth Country Park on 11 April 2026, running through Salcey Forest, canal paths and Northamptonshire countryside. This UTMB index 100K event welcomes solo ultras, relay teams and the Rosebud Marathon f..

Take on a year of ultra adventure with the 50 Mile Grand Slam 2026, covering all four Centurion Running 50 mile races. Sign ups run April 26 2025 to March 14 2026 so grab your place and chase iconic trails and camaraderie.

Tackle the scenic South Downs Way 50, a 50 mile trail from Worthing to Eastbourne finishing with a lap on the track. Enjoy rolling chalk ridges and big views as this first race in the 2026 50 Mile Grand Slam.