Cardiff Bay
Trail Running Calendar near Cardiff Bay 2026-2027
Explore the top trail runs near Cardiff Bay for 2026-2027! We've gathered 103 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
January 2027
A seven hour time challenge at Dare Valley Country Park offering distances from 3 km to 50 km, with medals, aid stations and vegan goody bags.
A 9 km fell race with 550 m ascent in the South Wales Winter Hill Series, requiring navigational skills and mandatory full kit; minimum age over 16.
Two self-guided winter ultramarathons in the Brecon Beacons on 30 January 2027, for experienced runners with strict compulsory kit and navigation requirements.
February 2027
A Backyard Ultra near Crickhowell on 6 February 2027 featuring repeated 4.2 mile loops, a reversed final race lap, trophies for final lap winners and medals from 32 miles.
Timed multi-lap run in Parc Taf Bargoed with 5.3 km laps and distances from 5 km to ultra, offering bespoke medals or a lower cost no medal entry.
A one way, fully marked 70k ultramarathon along the Taff Trail from Brecon to Nantgarw. The route moves from mountain landscapes to former industrial valleys and includes coach transfer to the start, checkpoints and live GPS tracking.
A 7 hour time-challenge at Dare Valley Country Park offering looped distances from 3 km up to ultra, with medals, distance pins, goody bags and on-course aid.
About six miles of hilly country trails near Long Ashton in North Somerset with mixed terrain, chip timing, basic race facilities and a donation to the local nature trust.
March 2027
Trail running event in the Black Mountains with marked 10, 20 and 40 mile routes from Crickhowell, marshals, stocked checkpoints and strict mandatory kit requirements; canicross friendly and GPX routes available.
A 7 hour Time Challenge at Dare Valley Country Park offering distances from 3 km to 50 km, themed medals, goody bags and aid stations.
Annual March challenge walk around Abergavenny with four route options from about 10 to 20 miles, mountain checkpoints and charity fundraising.
Timed, lap based event at Barry Sidings Country Park on 21 March 2027 offering distances from 5 km to ultra on a 5.3 km out and back lap with a seven hour limit.
April 2027
A 15 mile off road fell race across the Mendip Hills starting and finishing in Cheddar, with over 2,000 ft of climbing and proceeds supporting local charities.
Timed lap event in Cardiff Bay on 11 April 2027 offering distances from a single 5.3 km lap up to ultra within a seven hour limit.
A 200 mile point to point trail race across South Wales from Chepstow to Worm's Head with 30,000 ft climbing, eight aid stations and a 120 hour finish limit.