Trail Running calendar near West Sussex 2026-2027

We have found 483 Trailruns within 80 miles of West Sussex. See below where and when you can find the races.

Experience the beauty of the South Downs National Park with distances ranging from 30km to a 100km nonstop ultramarathon. Enjoy fully supported trails passing historic landmarks and stunning coastal vistas near Chichester Harbour.

Join the Phoenix Hydra 75 Mile Ultra at Denbies Wine Estate in Dorking for a scenic 1 mile off road loop with chip timing and a staffed aid station. Distances run from 12 hour to 100 miles and all entrants receive a free memento.

Experience the twilight beauty of Ardingly Reservoir during this midsummer evening run. Choose between a 5k or 10k distance on a scenic undulating trail featuring a fully stocked aid station and finisher medals for all.

A 21.2 km trail half marathon on the National Trust's Dunstable Downs on 21 June 2026, featuring 450 m of ascent, two on-route aid stations and fully marked trails with GPX support.

UTMB Index

Run through the historic landscapes of Horsell Common where the Martians first landed in literature. This volunteer led charity event offers trail routes from 2 km to 21 km in a scenic Site of Special Scientific Interest.

Experience a multi terrain 10km run through the private Tusmore Estate. Enjoy scenic views and celebrate your finish at the Twisted Tree Brewery with a medal and a well earned drink.

Community running event in Hawkhurst on 21 June 2026 offering 10k, 5k and a free junior race on a multi terrain undulating course, with finish line cake, a bespoke medal and funds raised for local community projects.

Circular cross country routes of 26 or 18 miles around Baldock in Hertfordshire, traversing fields and woodland with panoramic views. The event uses Baldock Scout Hut as venue, offers checkpoints and refreshments, and awards a certificate t..

A trail running event set inside Trent Country Park, Enfield, with wooded paths, grassy sections and some hills. Races include a 10 km senior race, a 4.5 km junior race and a 2 km kids fun run.

Join this athletic event in Bournemouth featuring high intensity intervals of 400m and 800m. Choose between solo, doubles, or relay formats for a unique group or individual experience.

A flat, timed 10 kilometre out-and-back from the toll bridge in Shoreham to Bramber and back on 21 June 2026, with a halfway aid station, full marshals, 4x4 pickup and a new medal; entries open 20 March.

A scenic off road 10 km trail at Panshanger Park with chip timing and a sustainable finisher medal; proceeds support local charities and a family fun run is included.

A twilight trail race at Ashburnham Place in Battle, East Sussex offering 10k, 5k and a junior run. The event supports four charities and features on-site charity tents, a BBQ and a free sports massage.

Race two of the 2026 Trifarm trail series, this 10K summer run is over 95% off-road on public paths. Starting near a humpback bridge at Trifarm in Boreham, the anticlockwise course finishes with a lap around the lake.

Experience a scenic trail run through the Cowdray Estate and South Downs National Park featuring distance options for all ages including dog friendly categories and a stacking finisher medal.

A backyard ultra at Longbridge Farm Barns near Alfriston where runners complete at least 4.167 mile laps every hour until one runner remains. The event uses a token system, timed laps, a small aid station, onsite support and sustainability..

Explore the scenic Surrey Hills and North Downs Way with five trail distances ranging from 5 km to a 52 km ultra. Run through ancient forests and rolling fields with punchy hills and fully marked courses.

UTMB Index

Experience an off road adventure through the private Matterley Estate in the South Downs National Park. Choose between a 10km or half marathon distance on a well marked course featuring gravel tracks and woodland trails.

Experience a summer trail running event in the scenic Thames Valley with distances ranging from 5k to a half marathon. Enjoy well marked routes through the Marlow countryside featuring chip timing and a unique themed medal.

Experience a scenic 10km mixed terrain run through the trails and woodland of Hatfield. Starting and finishing at the 3 Brewers Brewery, participants enjoy chip timing and a complimentary drink at the finish line.