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Trail Running Calendar near Trehafod 2026-2027

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Explore the top trail runs near Trehafod for 2026-2027! We've gathered 107 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

January 2027
Mini Mountain Marathon Cymru is a local cross country event at Mynydd Llangorse near Brecon on 3 January 2027, with family-friendly options and GPS courses.
Free MapRun Navigate the Night in Ystradgynlais on 13 January 2027, organised by SBOC and open to families, newcomers and wheelchair users.
Night trail run on Brean Down offering 5 km and 10 km routes, required 250 lumen torch and optional wooden finisher medal.
A roughly 6.4 mile mixed terrain off road race within Cosmeston Lakes Country Park, organised by Penarth and Dinas Runners and licensed by Welsh Athletics.
M10 Cardiff at Coopers Field, Bute Park offers 10 Mile and 5 Mile races as part of the 2027 M10 Race Series with chip timing and Welsh Athletics affiliation.
Lap-based timed event on 23 January 2027 at Parc Taf Bargoed offering distances from 5 km to ultra with a 7-hour time limit and flexible rock-up starts.
Half Marathon, 10K and 5K at Chepstow Racecourse on 24 January 2027 with chip timing, free photos, event village and a themed medal.
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 winter fell race near Abertillery: 9 km with 550 m climb, mandatory kit, flagged mandatory loop and navigational skills required.
Winter ultra in the Brecon Beacons on 30 January 2027 offering 75 mile and 100 mile routes starting from Penderyn Square in Merthyr Tydfil.
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.
Mountain to city winter races from Brecon to Cardiff featuring a 75 km ultra and a 26.2 mile marathon on unmarked mountain routes with GPS navigation required.
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.
Trail running 5k and 10k near Cardiff on marked multi terrain routes with medical support, marshals, finisher medals and category trophies.
Night-time MapRun navigation at Bryncoch near Neath hosted by SBOC, free with GPS and virtual course options and accessible provisions for families and wheelchair users.
An approximately 8-mile multi terrain race around Sorbrook and Sluvad near Cwmbran with marshalled routes, medical cover, goody bags and age-category prizes.
Family-friendly St David's Day run at Dare Valley Country Park offering 2.5 km or 5 km routes, themed medals and a Santa gift, with toilets and free parking.
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.
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.
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