OTT Marathon

OTT Trail Marathon is set in the Brecon Beacons, with Start and Finish at Parkwood Dolygaer, Merthyr Tydfil. The event features a looped marathon of about 26.2 miles and a 10-mile race as an alternative. Runners climb to high mountain trails with stunning views, taking in Pen y Fan from Graig Fan Ddu, then Fan y Big, and a final ascent to Tor y Foel before returning to Parkwood.

The marathon has three checkpoints and a 6-hour cutoff at 20.5 miles; the 10-mile route goes to Checkpoint 1 and back. Compulsory kit is required; finishers receive a coaster and buff. Visit the organization's website for the most recent information.