Trail Running Calendar South East (England) 2025-2026

We have found 256 Trailruns in South East (England). Check below where and when you can find the races.

Tackle a scenic but testing 50 km trail ultra around Stonor Park, Henley on Thames, with rolling hills and about 1200 m of climb across two 25 km loops. Expect forest tracks, big views and a welcoming ultra community.

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Run the scenic Maverick Hampshire Trail at Matterley Basin near Winchester, tackling undulating South Downs trails past the River Itchen and through woodland on 24 km Half Marathon, 16 km and 5 km routes. Friendly vibe with on site parking.

Take on the Sevenoaks Circular Challenge on Mother's Day, 15 March 2026, a scenic LDWA event across the North Downs and Greensand Ridge with 15, 20 and 30 mile options. Expect indoor checkpoints, hot finish food and friendly marshals.

Take on Phoenix Running's Octopus Run on 15 March 2026 at Walton on Thames for a scenic towpath challenge along the River Thames, with distances from 5 km to ultra and flexible start times. Finish your effort and collect a bespoke finishers..

Experience the South Downs Way at Winter's End on 21 March 2026 with a point to point 50 mile ultramarathon from Arundel to Winchester or pick one of two marathon sections. Rewarding chalk ridge trails, ancient woodlands and well stocked ai..

Enjoy a guided 13 mile trail half marathon through the Surrey Hills, visiting St Martha's Hill and sections of the North Downs Way. This relaxed group run emphasizes scenery and camaraderie rather than competition.

Run through the South Downs and parkland around historic Stansted House on 21 March 2026. Choose 9.5, 15.5 or 21 km routes with on course support, finishers medals and a friendly vibe for all abilities.

Tackle the North Downs Way through rolling Surrey countryside with a choice of a 26.2 mile marathon or a 14 mile route, both finishing at YMCA East Surrey in Redhill. Fully supported with transport to starts, aid stops, GPS routes, medal an..

Explore flat, well kept trails around Windsor Castle with 10K and half marathon options plus a RunThrough Foundation place. Chip timed racing, free photos and post race food and an event village make it a great day out.

Tackle a rugged 6 mile off road cross country at Manor House Farm in Hardwick near Aylesbury on 22 March 2026. Limited to 300 runners, the undulating farm route crosses fields, streams and tracks and finishes with hot drinks and a memento.

Enjoy scenic trail runs through Danesfield woods and country paths with 10k, 6.5k and a 1k Little Sprinters for kids. All entries include chip timing, a finisher medal and village refreshments for a fun family day out.

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.

Enjoy a flat, scenic 10 km along the River Stour between Chartham and Canterbury, perfect for a fast time or a relaxed riverside run. Friendly village atmosphere with medals, trophies and age group awards to celebrate your finish.

Elephant Challenge is a six hour off road lap event at Salcey Forest where runners, walkers and canicross teams cover as many 3.5 mile loops as they like. Expect forest trails, possible mud and distances from 5 km to 80 km plus.

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..

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.

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..

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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 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..