Slieve Bloom Way Ultra

Clonaslee, Ireland • 13 Sep 2025

The Slieve Bloom Way Ultra is an extreme ultra running event held in County Laois, Ireland, covering approximately 72 kilometers with 2000 meters of ascent. The race follows the Slieve Bloom Way marked trails, featuring a mix of fire roads, trails, open mountain terrain, river sections, and some road running. Starting and finishing in Clonsalee, the course runs clockwise along the yellow man markers. The event demands advanced preparation, with mandatory kit including waterproof clothing, navigation tools, emergency supplies, and food and water. Aid stations are located at five points along the route, and participants must have completed a 50km ultra previously to qualify. Visit the organization's website for the most recent information.

Race information

72 km
2000 m+
Slieve Bloom Way Ultra
Visit the organization's website for the most recent information.
Trail runs nearby