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Trail Running Calendar near Bryn 2026-2027

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Explore the top trail runs near Bryn for 2026-2027! We've gathered 81 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

June 2027
Military themed D Day series run at Parc Taf Bargoed with 5.3 km laps; choose distances up to ultra within a seven hour time limit and earn commemorative medals.
Inflatable 5K Cardiff on 26 June 2027 offers lap-based inflatable obstacle runs from 2.5k to 15k with music zones, medals and family and group ticket options.
July 2027
A mountain race up Pen y Fan near Brecon covering 5.8 km with 588 m ascent, limited advance entry and mandatory windproof kit and navigation gear.
Multi distance trail event on the Gower Peninsula in South Wales featuring a 100 km figure of 8 plus 75 km, 50 km, 25 km and 10 mile options with camping and staffed rest stops.
Trail races on the private Merthyr Mawr Estate with a 12K, half marathon and marathon across dunes, river crossings and the Glamorgan Heritage Coast.
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.
Trail ultra in the Brecon Beacons on 24 to 25 July 2027 offering distances from 10 km to 100 miles with charity and U23 entry options.
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.
Mountain running event to the summit of Pen y Fan in the Brecon Beacons on 25 July 2027, offering 5 mile and 13 mile routes with paid entry options.
Coastal ultramarathons along the Wales Coast Path with 100-mile, 50-mile and 50 km options, marked routes, GPS support and staffed checkpoints.
August 2027
Trail running in Brecon Beacons National Park on 7 August 2027 with 51k and 24k courses across moorland and mountain ridges, on marked routes with aid stations and chip timing.
A point-to-point Cambrian Way ultra in South Wales offering 44 or 33 mile routes with GPX navigation, indoor aid stations and live tracking.
September 2027
An annual non-commercial 27.4 km fell race in the Black Mountains with five checkpoints, full kit required and online entry via Fabian4.
A 12 hour Backyard Ultra on a 4.2 mile mixed trail and tarmac loop near Crickhowell, with a reverse-direction final lap to decide male and female winners.
A scenic, hilly trail half marathon in the Cothi valley with an alternative 6.5 mile route and children's races at Pumsaint Village Hall on 19 September 2027.
October 2027
SAS Endurance in Talybont-on-Usk on 1-2 October 2027 offers full 64 km and half 32 km navigational routes with guided and self navigation options.
November 2027
A mountain ultramarathon of 30 miles across the Brecon Beacons on 6 November 2027, based in Georgetown, Merthyr Tydfil, with marshals, checkpoints and mandatory kit checks.
July 2028
A single day ultra of about 39.7 miles along National Cycle Route 8 from Glasbury to Merthyr Tydfil. Limited field, mandatory kit and 4.0 mph cut offs; finishers receive an Afanc medal and champions receive bespoke trophies.
A point to point 34.8 mile ultra from Merthyr Tydfil to Barry Island following National Cycle Route 8. It is day six of the MTC CYMRUN series and uses preset cut offs based on a 4 mph minimum average speed.
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