Tongwynlais
Trail Running Calendar near Tongwynlais 2026-2027
Explore the top trail runs near Tongwynlais for 2026-2027! We've gathered 110 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
June 2027
A five-mile mixed-terrain race through Porthkerry Country Park with varied surfaces, two climbs, age-group prizes and a 1 hour 15 minute time limit.
A Pretty Muddy 5k at The Downs in Bristol with grass start and finish, mixed terrain and obstacles to climb, crawl and slide. Staggered wave starts apply and the event supports Cancer Research UK with a minimum fundraising target.
An inflatable obstacle-course fun run at Heath Park Cardiff on 26 June 2027 with lap-based distances from 2.5k to 15k and giant inflatable obstacles.
July 2027
A 16.5 kilometre mountain race in Llanfrynach on 10 July 2027 with 670 m ascent, WFRA BM classification, a 75 minute summit cut off and mandatory map and compass.
Trail races on the private Merthyr Mawr Estate with a 12K, half marathon and marathon across dunes, river crossings and the Glamorgan Heritage Coast.
Flat races along former railway and riverside paths through the Wye Valley, featuring long tunnel sections, multiple feed stations and a choice of fun runs, 10km, half and marathon.
A 100 mile self-navigation ultramarathon across the Brecon Beacons with 6143 m ascent, 10 checkpoints, strict qualifying criteria and a 40 hour cut off.
An urban navigation challenge in Cardiff where participants are blindfolded, dropped at an undisclosed location and must return across 6, 10 or 15 miles without maps or GPS.
A two day trail ultramarathon in the Brecon Beacons near Abergavenny with distances up to 100 miles, on site camping, and UTMB index status.
A self-navigated 100 km across the Brecon Beacons with 3178 m ascent, six staffed checkpoints, strict qualifying criteria and a 24-hour cut-off.
Three coastal ultramarathons on the Wales Coast Path finishing at the Norwegian Church in Cardiff Bay, offered over 100 miles, 50 miles and 50 km.
August 2027
Mountain trail races from Talybont-on-Usk in the Brecon Beacons with 51 km and 24 km options, cupless aid stations, chip timing and a mandatory briefing.
A 5 km fell race with 220 m of climb at White Hart in Axbridge on 18 August 2027, with on the day entry for £10 and FRA insurance.