Trail Running calendar near Cardiff 2026-2027

We have found 425 Trailruns within 80 miles of Cardiff. See below where and when you can find the races.

Spring trail races in Harewood Forest featuring 5k, 10k, canicross and a children's fun run on undulating forest and field routes. Pre-registration only; proceeds support local playing fields and school PTA.

Join this 5 mile multi terrain race at Bromsgrove Rugby Club featuring a scenic route of trails and towpaths. This evening event welcomes both solo runners and canicross participants for a focused and competitive run.

Test your endurance on a technical 3.2 mile mountain loop at Mynydd Troed. Complete as many laps as possible within ten hours as a solo runner or part of a team in the heart of the Black Mountains.

A point to point 50 miles from Taunton to Minehead with a very flat first half and an undulating coastal second half, six aid stations and a 14 hour cut off.

A 50 mile trail ultramarathon on coastal and upland terrain around Minehead with about 7,337 ft of ascent, six aid stations and a 16 hour cutoff. It is a cupless race with GPX navigation provided.

A 100 mile point to point race across Somerset on 9 to 10 May 2026 combining the Flat 50 and Hilly 50 routes, with a 32 hour cut off, 13 aid stations and cupless aid so runners must carry bottles.

Trail races at Martinhoe on 9 May 2026 offering 10K, half, marathon and ultra routes across moorland, woods, cliffs and coast. Part of the Endurancelife season with points contributing to the Season Leaderboard.

A Welsh trail event offering a 100-mile loop from Abergavenny and a 100 km route from Talgarth to Abergavenny, both following Offa’s Dyke, Cambrian Way and Beacons Way across mountain terrain.

A linear 40 miles walk along the ancient Ridgeway from Avebury to Streatley, crossing Wiltshire, Oxfordshire and Berkshire and passing prehistoric sites. The event uses mapped routes, staffed checkpoints with refreshments, and awards a comp..

A set of off-road fell races in the Preseli hills featuring a 10.8-mile Bach and an approx 24-mile Beast with substantial ascent, marked and partly supported courses, category prizes, and WFRA safety and kit requirements.

Conquer up to 50 miles and 10000 feet of elevation in the hills of Shropshire. Choose your own path through four unique loops in any order or direction while enjoying a 16 hour buffet at the central race headquarters.

A trail event around Dorchester following landscapes linked to Thomas Hardy, with two distances: a five mile Half Hardy Half and a half marathon Original Hardy Half. Mostly off road with notable climbs and an event village at Dorchester Rug..

A multi terrain community event on 10 May 2026 at Dilton Marsh playing field offering 10 km, 3 km and a 1/2 km fun run with medals for finishers, prize categories, water stations and basic facilities.

A 10 km trail run at Symonds Yat in the Forest of Dean with undulating terrain and views of the River Wye. The final 1 km includes a large climb to the finish. Coffee and hot food are available at the start and finish.

A multi-distance trail event in the Cotswolds on 10th May 2026, featuring quarter, half, marathon and Ultra 40 routes across trails, towpaths and commons with marked routes, checkpoints and on-course water.

Trail runs through Margam Country Park offering 5 km, 10 km and Half Marathon routes with live chip timing. Canicross is allowed and finishers receive a medal, merchandise and refreshments.

A community 5k trail run and walk around East Hendred with a separate 1k kids event on the Sportsground. Entries are limited and close on 8 May 2026.

Experience a ten mile multi terrain lap through the scenic Cotswold countryside and Coln Valley. This undulating course features fields, footpaths, and a river crossing near the historic Chedworth Roman Villa.

A 5.6 km fell race in Church Stretton on 14 May 2025 with 268 m total ascent. Provisional event with on the day entry and a £7 fee; junior runners have shorter course options.

Trail and trek event along the Jurassic Coast in Dorset with distances from 10 km to 100 km and a full route via Weymouth, Portland Bill, Chesil Beach and West Bay. The course features signed routes, marquee rest stops, GPS tracking, medica..

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