West Sussex
Trail Running Calendar near West Sussex 2026-2027
Explore the top trail runs near West Sussex for 2026-2027! We've gathered 129 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Enjoy a coastal run along the Hayling Billy Line with a 6 hour time limit to complete your chosen distance at your own pace.
October 2026
Guided 30-mile trail run on the North Downs Way from St Martha's Hill to Box Hill with coach support, group pacing, and nearby transport; entry £55.
A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.
Forest of Bere timed event with flexible start format, a 3.28 mile lap and options from 5 km to ultra. Aid station offers sweet and savoury food including signature potatoes and vegan choices; 20% of proceeds go to Forestry England.
A family friendly 5k obstacle and colour run near Dorking Surrey in October 2026 with mud, water features and obstacles for ages 6 and up.
Trail running in Hurtwood Forest near Guildford with 15 km and 21 km routes, on-site facilities, water stations and medals for all.
Trail and fun runs near Old Basing on 11 October 2026 with chip-timed 10K and 6K races plus a 2K family fun run supporting local schools.
Wacky Run Six in Fareham on 11 October is a themed run with an Army Surplus Special atmosphere, a six hour personal-distance format, themed medals and limited entries.
A social 8 km trail run on the North Downs from Greyfriars Vineyard, finishing with lunch, a glass of English sparkling wine and a guided wine tasting.
A relaxed three hour timed running event in Portsmouth on 25 October 2026 offering 5K, 10K and half marathon options while collecting food for a local food bank.