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Trail Running Calendar near Torfaen Principal Area 2026-2027

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Explore the top trail runs near Torfaen Principal Area for 2026-2027! We've gathered 142 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

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.
Choose your distance from 5k to Ultra on a tough off road course at Pengethley Manor. Experience vineyard trails with a seven hour time limit and unique medal options for individuals or pairs.
Mountain ultra and marathon from Brecon to Cardiff, featuring a 47.5 mile 2,800 m ascent ultra and a 26.2 mile 1,200 m marathon option.
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.
Valentines themed 6 km and 12 km runs at Blaise Castle Estate in Bristol on February 14, 2027, with single and couples entries and heart finishers' medals.
Trail running 5k and 10k near Cardiff on marked multi terrain routes with medical support, marshals, finisher medals and category trophies.
A 12 mile cross country race in Dursley on 21 February 2027 with over 2000 feet of climbing across woodland trails, mud, roads and steep climbs.
Celebrate St Davids Day with a 2.5km or 5km run through the scenic Dare Valley Country Park on well maintained paths with medals for all finishers.
Map and compass adventure in the Cotswolds combining trail running and mountain biking with flexible score formats and bike hire available.
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.
A roughly six mile off-road race above Long Ashton with mixed muddy terrain, chip timing, limited parking and a £1 donation to the Long Ashton Nature and Environment Trust.
Off road duathlons plus 5km and 10km trail runs through the Forest of Dean at Speech House, with live chip timing and on site parking.
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.
Winter Green Man Ultra offers 45 mile and 30 mile anti clockwise loops around Bristol's Community Forest Path with staffed checkpoints, navigation support and finishers' medals.
A six hour solo trail event at Symonds Yat where runners repeat a 5.25 km loop with 160 m ascent, scoring as many laps as possible for distance-based medals.
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.
Coppett Hill Race near Goodrich is an 8.6 km hill race with 335 m of climb, scheduled for 20 March 2027 (TBC); the course is partially marked and entry fees apply.
Measured forest trail half marathon in the Forest of Dean with chip and gun timing, three water stations, age group prizes and proceeds donated to charity.
April 2027
Three long distance mountain races in Brecon through Bannau Brycheiniog National Park, with Marathon, 40 mile and 100 km routes featuring navigation, checkpoints and mountain support.
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