Trail Running calendar near Machen 2026-2027

A 5k obstacle course at Coopers Field, Bute Park, Cardiff, with tarmac paths and grassy sections that can get boggy after rain. The event raises funds for Cancer Research UK and uses staggered wave starts; participants must be 13 or older.

A Pretty Muddy 5k obstacle course at Lydiard Park on 01 May 2027 featuring mixed paths, hills and muddy obstacles. The event has wave starts, blue badge parking on grass and a minimum fundraising target of £50.

Five trail races take place on Sunday 3 May 2026 around Ilmington in the Cotswolds, from 10K up to a 100K ultra, with feed stations, baggage support and route navigation aids for longer distances.

Off road half marathon and 10 km through Collingbourne woods near Ludgershall with stocked aid stations, full medical support and chip timing. Medals for all finishers and prizes for the top three men and women.

Multiple trail race distances in the Stroud area using towpaths, disused railway tracks and Cotswold hills, with a route that ascends to Selsley Common for wide valley views. Water, marshals and first aid are provided on course.

Trail running at Margam Country Park on 10 May 2026 offering 5 km, 10 km and half marathon routes. The event is canicross friendly, uses live chip timing and includes a finisher medal and refreshments.

A 50 mile challenge at Dare Valley Country Park as part of the inaugural Welsh Festival Of Running. Runners have up to 24 hours to complete the distance on a 5 mile loop with aid stations and rest facilities.

A trail running event on Saturday 29 May 2027 that follows the Heart of Wales Trail from Llandrindod Wells to Craven Arms, with three distances of 48, 24 and 16 miles and waymarking along the route.

A point to point half marathon along canal towpaths from Wolverhampton to Brindley Place in Birmingham, featuring a 360 metre tunnel, time trial wave starts and floating drink stations every 3 miles.

A ten hour loop race at Mynydd Troed on 10 July 2027 where competitors run repeated 2.7 mile laps with over 1000 feet of ascent per lap. Solo, pair, and teams of four compete with laps recorded at clip stations.

Two ultra distance races on the Beacons Way in the United Kingdom from 24 July to 25 July 2027, part of the Ultra Great Britain Race Series with live GPS tracking.