Logo

LT-100 & LT-50 Mile Ultra Challenge

Crickhowell, United Kingdom • 12 Jul 2025

The LT-100 & LT-50 Mile Ultra Challenge is a demanding trail running event held in Crickhowell, Powys, South Wales, traversing the scenic Black Mountains and Brecon Beacons National Park. Participants can choose between two 50-mile ultra distances or combine them for a grueling 100-mile challenge. The course features well-supported checkpoints with refreshments, hot food, and physiotherapy services.

Runners are fully tracked for safety, and support crews and spectators are welcome. The event emphasizes both mental and physical endurance, with stunning mountain views on the out-and-back route. Finishers receive unique medals and T-shirts, with nutrition provided by Science in Sport. Visit the organization's website for the most recent information.

United Kingdom Wales Crickhowell

Race information

Registration
100 mi
100 Mile Ultra Marathon
50 mi
50 Mile Ultra Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

The Eddum

Builth Wells - 23 mi from Crickhowell

The EDDUM is a 50-mile ultra running challenge set around the Epynt Way, a largely untouched permissive trail encircling the Sennybridge Training Area, the UK's third largest military training ground. Located in Wales, the course offers stunning views of the Brecon Beacons to the south and the Cambr..

Brecon Beacons 51k

Talybont-on-Usk - 7 mi from Crickhowell

The Brecon Beacons 51k event, part of the RunThrough UK Brecon Beacons Trails in August 2025, offers runners a challenging ultra-distance trail race in the scenic Brecon Beacons, starting from Talybont-on-Usk. Participants can choose from 10K, 24K, or 51K distances, each featuring rugged trails, cli..

UTMB Index

Beast of Llangattock

Llangattock

The Beast of Llangattock is a challenging trail running event held in Llangattock, Wales, offering four distances: 10km, 10 miles, 20 miles, and a 32-mile ultra. Starting and finishing at Park Farm, the course features stunning panoramic views of the Black Mountains, Sugar Loaf, and the Brecon Beaco..

The Wild Wolf of Radnor

Llandrindod Wells - 28 mi from Crickhowell

The Wild Wolf of Radnor is a 10-mile trail race set in the stunning Radnor Forest in Mid Wales, an area steeped in local legend as the site where the last wolf of Wales was shot. The course features diverse terrains including forestry roads, open moorland, and muddy, tree-lined single tracks. Runner..

Beast Of Bryn

Bryn - 30 mi from Crickhowell

The Beast of Bryn is a challenging trail running event held in the scenic Afan Forest Park near Port Talbot, South Wales. Established in 2011 and managed by the Bryn Residents Action Group (BRAG), the race offers two distances: a 6.5-mile (10.5 km) route with 288 meters of climb, and a longer 10.5-m..

Crickhowell 10km

Crickhowell

The Crickhowell 10km is a new running event set in the scenic Brecon Beacons National Park, starting and finishing at Llangattock near Crickhowell. The race features a flat, out-and-back course along the Brecon & Monmouthshire canal, with a turnaround point at Gilwern village. Designed for runners l..