Brighton Backyard Ultra

Brighton, United Kingdom • 10 May 2025

The Brighton Backyard Ultra is an endurance running event held in Stanmer Park, Brighton, UK. Participants run a 4-mile (6.7 km) out-and-back loop every hour on the hour, continuing until only one runner remains. Each lap must be completed within 60 minutes, with the remaining time used for rest.

The course is fully marked and passes through a livestock field, requiring runners to respect park users and animals. The event welcomes all abilities, offering facilities like rest areas, hot and cold drinks, snacks, and support crew access. It emphasizes a grassroots, community atmosphere without minimum distance requirements, challenging runners to push their limits. Visit the organization's website for the most recent information.

Race information

6 km
880 m+
4 Miles (6.7km)
Visit the organization's website for the most recent information.
Trail runs nearby

Ticehurst 7.5km Trail Race is a picturesque, mainly off-road event staged by 1066 Trail Races at Ticehurst Village Hall, TN5 7BB. The course covers about 7.5km, with roughly 70% on trails. The middle 3km offers superb views across Bewl Water, the largest reservoir in the South East.The race is fully..

The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

The Dark Downs 50k is an exciting night running event held on the scenic South Downs, featuring both a 50k race and a Half Marathon. Participants will experience the unique atmosphere of running at dusk and into the night, with the rolling hills and runnable trails providing an ideal setting. The ev..

UTMB Index

Eridge Park 10 Trail Challenge, staged at Eridge Green in Tunbridge Wells, Kent, marks its 25th anniversary in 2025. The 10-mile off-road trail race is renowned as a favourite among trail runners, offering stunning scenery, steep, narrow climbs and plenty of mud along a traffic-free route through Er..

Run to the Sea Bournemouth is a 50-kilometre, point-to-point ultramarathon from Moors Valley Country Park to Hengistbury Head in Bournemouth. The flat, scenic course is multi-terrain, weaving forest trails and seafront paths for a potential entry into ultrarunning or a fast 50k challenge. Runners re..

Cowdray Autumn Trail Run returns to the Cowdray Estate near Midhurst, West Sussex, on 11 October 2025. The event offers three distances: 5km, 10km and 10 miles, with race HQ at Cowdray Farm Shop & Café (parking there). Most of the routes are on bridleways, footpaths, the Serpent Trail or Sussex Diam..