Trail Running calendar near Bristol 2025-2026

Run forest trails at Margam Country Park on 15 November 2025, choosing from 21 km, 10 km or 5 km routes. Fully marked courses with checkpoints and GPS files; entries include parking, timing, a medal and free photos.

Test your limits at Trails and Tarmac 12 hour Backyard Ultra in Crickhowell, featuring a scenic 4.2 mile loop of trail and tarmac completed each hour. Stay for the final sprint to claim the trophy or earn medals for every loop and 32 miles.

Join the New Forest Central Trail Run at Roundhill Campsite for 10km, 17km or 22km routes through ancient woodland and heath. Enjoy undulating gravel trails, roaming ponies and a plastic free event with water, medals and chip timing.

Enjoy night and day races across Bath Skyline's stone paths, woodland trails and open meadows, with 5km, 10km and a kids 500m plus a dedicated daytime canicross wave. Glow stick marked night courses make for a magical running experience.

Experience torchlit trails and ancient ruins at the Maverick Dark Castle around Corfe Castle on 15 November 2025. Choose 5 km 10 km or 16 km routes for a thrilling off road night run hosted by Maverick Race.

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 1..

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an..

The MT10 (Multi-Terrain 10) is a 10-mile (16 km) off-road trail run held at Pembrey Country Park and along Cefn Sidan Beach in Carmarthenshire. The course features a mix of soil and firm sand surfaces, providing a varied terrain that accomm..

Tackle Callow, a rugged 8.1 km fell race with 762 m of ascent near Little Stretton on 16 November 2025. Part of the Winter Series and WFRA registered, it offers four steep climbs and a classic fell finish for experienced runners.

Run the Broadway Marathon or Half Marathon on 16 November 2025 through the northern Cotswolds, starting and finishing in charming Broadway village. Mostly trail with a climb to Broadway Tower, both routes reward you with beautiful views.

Take on undulating trails, muddy paths and a shallow stream at the Action Heart Tuff Un, a rugged 6 miles at Baggeridge Country Park in Dudley on 16 November 2025. Enjoy a muddy multi terrain challenge while supporting Action Heart.

Explore the rolling Meon Valley on scenic trail loops from Swanmore, with 15.5 mile, 21.5 mile and tough 40 mile options across the South Downs. Expect notable climbs, tricky underfoot sections and fully stocked checkpoints for support.

Enjoy a small 8 mile trail race through the stunning Avebury World Heritage Site in Wiltshire, weaving past ancient stone circles and rolling countryside. Organised by Marlborough Running Club, this popular November event often sells out.

The Drogo 10 at Castle Drogo is a scenic but testing 10 mile fell race with 535 m of climb, steep trails and the tough Hunters Path ascent. Enjoy riverside views while half the entry fee supports the National Trust.

Join a colourful Colour Run or tackle a scenic 5k trail through Box village and the Bybrook valley with views of Box Tunnel. This inaugural community event supports Box Primary School and serves refreshments and finisher certificates.

Dark Valley, Night Trails is a night-time trail run at Moors Valley Country Park, Ashley Heath, near Ringwood, Dorset. The 10km loop winds through wide, tree-lined forest tracks on the Hampshire/Dorset border, with 1, 2, or 3 laps for 10km,..

Enjoy a scenic, flat coastal run at the Bournemouth Coastal TEN, choose 10 mile or 10 km along Hengistbury Head and Boscombe Pier. Chip timing, a finisher medal and post race refreshments make it a perfect seaside challenge for all abilitie..

Event overview The Smurf Run is organised by Saturn Too Limited, a franchise partner of Saturn Running, and is scheduled for 22/11/2025 at Dare Valley Country Park, Aberdare, CF44 7PS. The event is run as a 7 hour Time Challenge that allows..

Explore Burghfield woods with Berkshire Orienteers on Saturday 22 November 2025. Five courses from a family friendly yellow to a challenging blue welcome beginners and seasoned navigators, with electronic timing and a scenic forest setting.

Budleigh Blister, hosted by Exmouth Harriers, takes place near Budleigh Salterton with the event anchored at The Holt, E Budleigh Rd. The weekend offers an approx 10-mile off-road course featuring stunning coastal and countryside scenery, p..