Ironstone 100K Hollidaysburg, Pennsylvania, United States
This has already taken place.Click here to go to the 2025-07-12 event.
Event description
The Ironstone 100K. Legs of Iron. Resolve Like a Stone.
No pacers. Minimal Aid Stations. 2 p.m. Start.
Ironstone 100K is a savage point-to-point 100 kilometer ultramarathon on the Alleghenies wildest trails. Amazing in its terrain and rich in heritage, the ultramarathon starts at Canoe Creek State Park in Blair County and utilizes the Standing Stone, Mid State, and Lower Trails before ending in Greenwood Furnace State Park in Huntingdon County.
With its unforgiving technical terrain, it will be one of the most challenging ultras in the region, on par with races like Eastern States 100, Black Forest 100K and Worlds End Ultramarathon.
Course maps
Foot race
|
8 Jul 2023
|
2:00 pm
63.1 mi
Distance
Elevation gain
2,418 ft
Elevation high
1,522 ft
Elevation avg
Course last updated 2 Apr 2023
Stats summary
| Race distance | Distance | Ele gain | Ele loss | Ele avg | Paved | Gravel | Dirt | Narrow |
|---|---|---|---|---|---|---|---|---|
| 100K | 63.1 mi | 7,785 ft | 7,713 ft | 1,522 ft | 21% | 60% | 19% | 90% |
Foot race
08 Jul 2023
Race organization
Allegheny Trailrunners Inc
Race director
Benjamin J Mazur
Event locked by RD
Race data contributors