Saturday, September 11, 2027Claysburg, PA
Rock 'N The Knob Trail Challenge – PA’s Highest Trail Race
View on RunSignup ↗Registration opens Dec 13, 2026
3 events
- Ultramarathon atop Blue Knob (50K)50KUltraStarts 6:00 AM
- Medium Distance Course atop Blue Knob (20K to 25K)HalfTrailStarts 9:00 AM
- The Short Course Spruce Knob (10K-ish)10KTrailStarts 10:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherFair weather · 69/100
- High / low
- 76° / 54°F
- 25° / 12°C
- Humidity
- 72%
- Dew point 54°F
- Chance of rain
- 34%
- Wind
- 4 mph
- Average
- Usually warm for an ultra: about 68°F while racing.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 43% slowerFinish times are typically 43% slower than at other trail half marathons.1 year, 56 finishers; men and women compared separately.
- 59% slowerFinish times are typically 59% slower than at other trail 10Ks.1 year, 54 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Ultramarathon atop Blue Knob (50K) · 50K | 17 | 8:54:55 | 8:58:58 | — |
| 2026 | Medium Distance Course atop Blue Knob (20K to 25K) · Half | 56 | 3:41:26 | 3:37:29 | 3:48:02 |
| 2026 | The Short Course Spruce Knob (10K-ish) · 10K | 54 | 1:49:44 | 1:49:44 | 1:50:29 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.