Course
A 63.4-mile point-to-point from Canoe Creek State Park, Hollidaysburg to Greenwood Furnace State Park, McAlevy's Fort. The route links three named trail sections over a mix of singletrack, rail trail and dirt road, with only short stretches of asphalt.
Key dates
- ✓Entries openedTue 1 Sep 2026
- ★Race daySat 10 Jul 2027
About
The Ironstone 100K is a test of endurance on the wildest trails of the Ridge and Valley of Pennsylvania. Runners will face a challenging course with over 20,000 feet of elevation gain, traversing rugged terrain and technical singletrack.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.
