Trail Running calendar near Cardiff 2025-2026

The Haldon Halloween Twilight Run takes place in Haldon Forest near Exeter, Great Britain, offering a festive running experience on November 1, 2025. Participants can choose from three distances: a 2.5 km fun run, 5 km, and 10 km races, inc..

OTT Ultra 2025 is a rugged 30 mile trail ultra in Merthyr Tydfil, taking runners over Pen y Fan and along the Taff Trail. Expect big climbs, reservoir views and timed checkpoints on a challenging scenic course with limited entry.

Join the Devon Trail Races at Roadford Lake on 1 November 2025 for a scenic, muddy course featuring a 10K single loop and a two lap half marathon. Canicross entries welcome at both distances for runners with dogs.

WRNL Bovington on Saturday 1 November is event two in the Wessex Region Night League: a 60 minute score course across runnable woods, open heath and urban terrain. Fast, tactical night orienteering with marshalled road crossings.

The Dorset Hillfort Ultra is a scenic 38-mile running event set in the picturesque West Dorset, featuring a challenging course with approximately 1,300 meters of ascent. Participants will traverse from one ancient hillfort to another, enjoy..

Twmbarlwm Terror is a rugged 7 mile multi terrain race from Risca to the Twmbarlwm peak and back, featuring about 1000 ft of climbing and challenging underfoot conditions. Take on the summit and enjoy complimentary tea, coffee and cake afte..

Join the WIM Founder's Trophy at Bere Wood on Sun 2 Nov with courses for all levels. Expect runnable woods, marshy patches, waterproof maps and electronic punching for a fun day out. Entries close 31 Oct.

Run the Dark Dorset 10, a twilight off road 10k through haunted woods and parkland around Eastbury Park. Limited to 200 runners, this atmospheric trail race mixes local ghost lore with a tough off road route and finishes with a medal, troph..

Take on the Beacons Ultra, Marathon and Half in Talybont on Usk on 8 November 2025, with sweeping mountain and reservoir trails including Pen y Fan. Choose from a 49 mile ultra, 26 mile marathon or 13 mile half for epic views and serious el..

Endurancelife Gower at Oxwich Bay on 8 November 2025 invites runners to tackle stunning cliff top, woodland and beach trails across challenging terrain. Choose from 10K to ultra distances and finish with sea views and a medal.

Explore the coast and commons at East Devon 8 Trigs, a self navigated trail from Budleigh Salterton with Half, Marathon and Ultramarathon options. Solo runners, pairs and walkers will visit trigs, stamp cards and enjoy coastal views.

Tackle the Salt Settlers Six Hour Race in the scenic Lower Otter valley, solo or in pairs on a mostly flat loop. Aid stations, a club cafe and hot showers keep you going, and every participant receives a special memento.

MoRunning returns to Ashton Court Park in Bristol on 9 November 2025 with 1.5k, 5k and 10k trail friendly routes that mix paths, mud and a testing hill. Support Movember for men's health, grab a finisher medal, wear fancy dress and join the..

Explore Shaw Forest Park, West Swindon on Sunday 9 November 2025 for an orienteering event with courses for beginners to experienced navigators across mixed forest and open terrain. Online entry only, limited maps available so book early.

Join the Wessex Night League in North Salisbury for a one hour score orienteering through urban streets and a hilltop nature park. Fast paced and social, bring lights and hi vis, and pre entry is required.

Join this atmospheric night off road 10 km at Wyre Forest Visitor Centre on 12 November 2025, run as two torchlit laps over trails and tracks. Canicross friendly and with limited entries, it promises muddy fun and a finishers medal.

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.

The Burrator Noir is a unique running event featuring a 12-mile night trail run and a 10k road race, set at the picturesque Discovery Centre at Burrator Reservoir. Participants will navigate a diverse trail that includes moorland, rocky pat..

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.