The 9 100K ultramarathons in Pennsylvania, with each one's climb, cutoff and date. Every race links to its own page, where you can see how it fits the runner you are now.
| Race | Distance | Where | Date | Climb | Cutoff |
|---|---|---|---|---|---|
| Boulder Field 100 - Ultra Run | 100 KM | Jim Thorpe, PA | Sep 12, 2026 | 8,000 ft | 16 h |
| Pine Creek Challenge | 100 KM | Wellsboro, PA | Sep 12, 2026 | 1,200 ft | 29 h |
| Black Forest 100k Ultra Race | 100 KM | North Bend, PA | Oct 4, 2026 | 13,400 ft | 19 h |
| Oil Creek Trail Run | 100 KM | Titusville, PA | Oct 10, 2026 | 11,026 ft | 31 h |
| The Wicked Windstone | 100 KM | Columbia Cross Roads, PA | Oct 17, 2026 | 6,000 ft | 30 h |
| Dawn To Dusk To Dawn Track Ultras | 100 KM | Sharon Hill, PA | May 8, 2027 | — | 19 h |
| Rabid Raccoon 100 km | 100 KM | Beaver Falls, PA | Jun 5, 2027 | 9,543 ft | 33 h |
| Worlds End Ultramarathons | 100 KM | Forksville, PA | Jun 5, 2027 | 11,158 ft | 19 h |
| Ironstone 100K | 100 KM | Hollidaysburg, PA | Jul 10, 2027 | 7,174 ft | 23 h |