Trail Running calendar near Guildford 2025-2026

Run the full 86 mile Ridgeway National Trail from Ivinghoe Beacon to the Avebury Stones, tackling rolling chalk ridges and ancient landscapes within a 28 hour cutoff. A tough but rewarding UTMB World Series index race with full support.

Enjoy a supported 50 km from Rochester to Tonbridge along the scenic Medway Valley Walk on mostly flat towpaths and trails. Aid stations, GPS tracking and the Tonbridge athletics track finish add a polished riverside vibe.

Take on the Castle Trails 30 km on 30 May 2026 and follow the River Medway from East Farleigh to Tonbridge in a scenic point to point trail run. Riverside towpaths, country park views and a finishing lap on the Tonbridge athletics track mak..

Run the Ridgeway Chase, a scenic point to point 60K ultramarathon along the Ridgeway National Trail from Ivinghoe Beacon to near Wallingford. Limited to 200 runners, it offers rolling climbs, reliable aid and sweeping countryside views.

Join the Southampton Running Festival on 31 May 2026 for scenic 5K, 10K, half marathon and junior races around Southampton Common. Lap courses wind through woodland, ponds and parkland with an event village at the finish.

Join a guided 13 mile trail run in the Surrey Hills from Guildford, led by an experienced trail guide. Enjoy views along the North Downs Way and St Martha's Church while running with a friendly group rather than racing.

Choose your challenge in this 7 hour timed event along the River Thames at Wraysbury Skiff and Punting Club. Scenic signed laps, aid stations, medals and goody bags await runners from 3 km up to ultra distances.

The Sundowner Trail Marathon on 6 June 2026 is an evening 27 mile trail through saltmarsh, canal towpaths, vineyards and forests. Limited to 50 runners, this intimate race offers checkpoints, a finish memento and a bespoke local beer.

Join Blended Trails Backyard Ultra at Chilton Manor Farm for a test of endurance: run a one hour loop each hour until only one runner completes a lap. Enjoy private trails, camping, great fuel stations and a winner takes all prize.

Run beneath Bath through two restored, lit railway tunnels on routes from a 500 m Colourburst to ultramarathon, with distances to suit fun runners and seasoned athletes. Starts and finishes at Brickfields Park and supports Sustrans.

BigSea Trails WATER brings runners to the Isle of Purbeck, with a beach start and single lap routes past Corfe Castle, Kimmeridge Bay and Old Harry Rocks. Distances from half marathon to 54k ultramarathon offer sweeping coastal views.

Run the Bournemouth Beach Race from Bournemouth Pier on 7 June 2026 with 5K and 10K courses along the sand. Expect coastal views, sandy footing and groynes to clamber over for a scenic seaside challenge.

Join the Coombe Hill Fell Race in Wendover for a punchy 7 km with about 220 m of climb, including a steep ascent and descent. On the day entry is available and your entry includes a pint at the finish.

Tackle testing woodland trails at the inaugural Alice Holt Wild Trail Runs in Surrey on 7 June 2026, with 10 km and half marathon options. Chip timing, feed stations, medals and canicross welcome for a fun, supported day out.

Chase The Sun Clapham Common offers flat, scenic 5K and 10K laps around the park, featuring a run past the bandstand and a fast feel under the sun. Finishers get chip timed results, a themed medal, free photos and post race goodies.

Take on the South Downs Way 100®: a stunning 100 mile nonstop trail test from Matterley Bowl to Eastbourne across chalk ridges and big climbs. Expect remote views, lively aid stations and a classic long distance challenge for runners.

Take on the South Downs Way 50km on 13 June 2026, a scenic trail challenge through the South Downs National Park organized by Centurion Running. Tackle 50 km of rolling ridges with 1200 m climb, aid stations and a lively finish.

Tackle the scenic Cotswold Way from Cirencester with distances from 10 km to 100 km and options for walkers, joggers and competitive trail runners. Enjoy a buzzing basecamp with camping, full support and memorable finishers goodies.

Scenic off road trail running around Bewl Water in Kent, with forest paths, open countryside and lake views. Choose 10km, Half Marathon, Marathon or 50km Ultra, starting and finishing at the Visitor Centre with chip timing and checkpoints.

Explore coastal and inland trails along the Jurassic Coast with distances from a fun 7 km up to a 23 km half marathon. Registration at the venue, full course marking, outpost snacks and a metal finisher medal make this a scenic, dog friendl..