Trail Running calendar near West Sussex 2026-2027

We have found 452 Trailruns within 80 miles of West Sussex. See below where and when you can find the races.

This trail run through Moors Valley Country Park offers a half marathon and a 10K on woodland gravel paths. It's a dog-friendly event with chip timing and an eco-medal. Be prepared for muddy sections and inclines on the scenic course.

Experience a twilight run through Hurn Forest with the Starburster 5 and 10 mile events. This trail race follows an out and back route under the stars and supports Forestry England conservation efforts.

Experience a rewarding trail race through the private grounds of Ashdown Forest with 1568 feet of elevation. Choose between 5 or 10 miles of hard packed trails featuring steep climbs and panoramic views across The Downs.

February 2027

Race through the spectacular winter landscape of Westonbirt Arboretum after dark. Choose from 5km or 10km distances on a solid, road-like trail. Explore over 2,500 species of trees under the night sky.

Experience a 53 mile winter trail loop through the South Downs National Park featuring 6400 feet of elevation. This fully marked UTMB Index race offers a scenic route along ancient ways and includes live GPS tracking.

Follow in the footsteps of ancient pilgrims on this 66 mile two day ultra adventure along the historic North Downs Way. Experience a supported winter trail challenge with overnight accommodation and full logistics included.

Run through the stunning Westonbirt Arboretum, home to over 2,500 tree species, on a solid surface perfect for a scenic race. Choose from 5 km or 10 km distances with multiple wave starts for this popular winter event.

Discover scenic forest trails at the Bedgebury Forest 10 and 5 Mile in Kent. This undulating multi terrain event features distances for adults and a junior run under majestic pine trees.

Experience two distinct half marathons along the Hampshire coast over one weekend. Run the muddy trails of Langstone Harbour or the flat promenades of Southsea, with the option to complete both for a special bonus medal.

Event Overview The Wiltshire 10 is a 10-mile running event. It starts and finishes at the King George V Playing Field in Melksham. The route goes out towards the picturesque village of Lacock. Location & Facilities The event is based at..

Experience a self-navigation trail run along the scenic South West Coast Path with marathon, half marathon, and 10k options. This coastal event features exposed terrain and requires mandatory kit for all participants.

Experience a fully signed 50k trail ultra along the scenic North Downs Way and ancient woodlands of Norbury Park. Starting near Dorking this accessible route features four well stocked checkpoints and a finisher medal.

Run through the longest underground tunnels in the UK on a historic railway path in Bath. This event offers distances from 500m to an ultra marathon with both flat and hilly route options for all participants.

Follow a historic 42 mile pilgrimage route through the scenic Essex countryside to an ancient coastal chapel. This challenging trail ultra features varied terrain and requires self navigation through rolling rural landscapes.

March 2027

The Windsor & Eton 10km will take place in Windsor on Monday 1 March 2027. You can run 10 kilometers.

The Imber Ultra is an annual trail run of just over 33 miles organised by Avon Valley Runners and the Rotary Club of Westbury, with route details, checkpoints, results and photos provided by the organisers.

Experience the iconic Jurassic Coast on this unique trail run from Swanage to Corfe Castle, featuring scenic chalk paths and a vintage steam train journey back to the start.

Celebrate International Women’s Day with an all female trail run at the beautiful Culden Faw Estate. Choose from three distances featuring rolling hills and woodland paths in an inclusive environment.

July 2027

Explore the unique heathlands of the South Downs National Park with distances ranging from 10km to 100km. This trail festival offers flat courses, inclusive coach transport, and a weekend of camping in the Hampshire countryside.