Trail Running calendar near Ystumtuen 2026-2027

A 300 mile ultra along the Cambrian Way from Conwy, UK, with about 74,000 ft of ascent and up to 7.5 days to complete a nonstop route across central Wales.

A 10 hour loop endurance challenge on Mynydd Troed with roughly 2.7 mile marked laps, about 1,000 ft ascent per lap, solo, pairs and four‑person team entries.

Trail races in Eryri (Snowdonia) National Park from 10K to a 57 km ultra, starting and finishing in Llanberis on July 10 and 11, 2027.

Obstacle event at Huntley Estate on July 11, 2027 featuring muddy obstacles, a technical tee, and a 1 km kids obstacle run with medal.

Multi-distance trail event on the Gower Peninsula with camping at Penrice Castle, GPS tracking, regular rest stops and medical support across 100km to 10-mile options.

Trail races on the private Merthyr Mawr Estate featuring dunes, river crossings and coastal sections over 12K, half marathon and marathon distances.

Participants are dropped at an undisclosed location near Shrewsbury and must make their way back to the event centre without maps or GPS.

A 15.35 km mountain race on 17 July 2027 with 994 m of ascent; entrants must be over 18 and have mountain running experience.

A set of runs along the Wye Valley Greenway including passage through the 1.1 km Tidenham Tunnel, starting at Wyedean School and finishing at the station.

A navigation-free challenge in Aberystwyth where participants are blindfolded, dropped at an undisclosed point and must find their way back over set distances.

Beacons Way Ultra offers 100 km and 100 mile races in the United Kingdom on 24 to 25 July 2027 as part of the Ultra Great Britain Race Series.

Mountain mountain running in Eryri's Ogwen Valley from Plas y Brenin, Capel Curig with 40K, 25K and 15K routes across high terrain.

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.

Two marked and marshalled trail races from Storey Arms on 25 July 2027 offering 5 mile and 13 mile routes that reach the Pen Y Fan summit.

Multi-distance runs along a disused railway by the River Severn between Ironbridge and Bridgnorth with aid stations every 4.7 miles.

An ultrarunning event on the Wales Coast Path from Barmouth to Cardigan with 100 mile and 100 km options, live tracking, checkpoints and a 50 hour limit.

A 35 miles trail ultramarathon from Chepstow Castle to Monmouth and back via Offas Dyke, passing Tintern Abbey and a 1 km tunnel, finishing with live music at the Three Tuns Pub.

Divona 100 in Rhayader, LD6, UK is scheduled for Sat 11 Sep 2027 and the event listing includes entry details, reviews, discounts, photos, course maps and results.

Supported trail event from Craven Arms around the Shropshire Hills with 55 km, 27 km and 10 mile options, rest stops, GPS tracking and weekend camping.

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.