Slieve Bloom Way Ultra
Clonaslee, Ireland • 13 Sep 2025
The Slieve Bloom Way Ultra is an extreme 72 km mountain running event held in County Laois, Ireland, following the Slieve Bloom Way marked trails. The course features a challenging mix of fire roads, trails, open mountain terrain, river sections, and some road running, with a total ascent of 2000 meters. Starting and finishing in Clonsalee, runners follow a clockwise route marked by yellow man markers. The race includes five aid stations and has a 12-hour finish time with a cut-off at 46 km in Kinnitty. Participants must carry mandatory advanced-level safety kit, including waterproof clothing, navigation tools, and emergency supplies, ensuring a well-prepared and demanding ultra trail experience. Visit the organization's website for the most recent information.