Ironstone 100K Ultra

The Ironstone 100K Ultra is a challenging point-to-point ultramarathon set in the scenic Allegheny Mountains of Pennsylvania. Starting at Canoe Creek State Park and finishing at Greenwood Furnace State Park, the race covers a rugged 100 kilometers along the Standing Stone, Mid State, and Lower Trails. Participants will encounter technical terrain, old-growth forests, and stunning ridgelines, making it one of the toughest ultras in the region.

Runners must complete the course within 23 hours and are required to have prior ultramarathon experience. Finishers receive a unique medal, a flannel shirt, and complimentary beverages. Visit the organization's website for the most recent information.