| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Carlos Logroño | 1 | |
| Carol Nash | 1 |
References[1] https://www.ukhillwalking.com/forums/off_belay/carol_nash-608292 |
| Carolyn Young | 1 | |
| Carter Mockabee | 1 | |
| Casey Webb | 1 | |
| Cedar Wright | 1 | |
| Cedric Vaubaillon | 1 | |
| Cesare Maestri | 1 | |
| Cesar Grosso | 1 | |
| Chad Greedy | 1 |
References |
| Chantel Astorga | 1 | |
| Charles Cole | 1 |
References[1] https://www.climbing.com/news/remembering-five-ten-founder-charles-cole/ |
| Charlie Fowler | 1 | |
| Char Williams | 1 | |
| Chevy Crespo | 1 | |
| Chris Cantwell | 1 | |
| Chris Chen | 1 | |
| Chris Hudgins | 1 | |
| Chris Kalous | 1 |
References[1] https://open.spotify.com/episode/0ip0Vm7GUJ8ALuHAgnHeub? [2] Interview with climbing.com Jan 2025 https://www.climbing.com/people/enormocast-chris-kalous-300-episodes/ |
| Chris Knuth | 1 |