Sandridge 10k

London Backyard Ultra is an endurance running event held at Frylands Wood Scout Outdoor Centre in Croydon, London. The event features a 4-mile (about 6.4 km) lap every hour, continuing until only one runner remains. The wooded venue offers a woodland course with a supportive, community atmosphere ty..

The St Albans Stampede - 12hr Enduro is an ultra marathon held in the scenic Hertfordshire countryside, featuring parts of Heartwood Forest and Nomansland Common. Participants aim to cover the greatest distance by running multiple four-mile loops within a 12-hour period. The event accommodates solo..

Bradenham Blast is a trail running event in the Chiltern Hills at Manor Farm, Bradenham, near High Wycombe, UK. Boondock Events offers 5km, 10km, and a new half-marathon for 2025. The courses are hilly, scenic, and suitable for many abilities, weaving through tranquil beech woodland and rugged trail..

Thames Path Challenge, part of Ultra Challenge Series, runs along the Thames Tow Path from Fulham's Bishops Park in west London to Henley-on-Thames. Distances include a full 100 km route (also a 2‑day daylight option), a 72 km 3/4, 50 km halves, and 28/22 km quarters, plus a 25 km Thames Bridges Tre..

The Run London Epping Forest Trail 10k is a popular running event scheduled for September 14, 2025, in the scenic Epping Forest, Chingford. Participants will complete a 10k course consisting of two laps through the forest, known for its rich biodiversity and beautiful landscapes. The race is designe..

Takeley 10K is an off-road countryside race in Takeley, near Bishop’s Stortford, United Kingdom, along the Flitch Way. The 10 km course is GPS-measured, mostly on the old railway track and grass paths, with about 0.7 km on road to the finish. The route is about 90% off-road, with kilometre markers a..