| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Jose Pereyra | 1 | References[1] https://publications.americanalpineclub.org/articles/12200307600/The-Tree-of-Life |
| Josh Cornah | 1 | |
| Josh Haynes | 1 | |
| Josh Hummel-Newell | 1 | |
| Josh Levin | 1 | |
| Josh Rundle | 1 | |
| Julia Fiser | 1 | |
| Julia Kruder | 1 | |
| Julie Pearson | 1 | |
| Justin Sjong | 1 | |
| Kaito Watanabe | 1 | |
| Kajsa Rosén | 1 | |
| Karen Whitehouse | 1 | |
| Karl Lugmayer | 1 | |
| Kate Ennis | 1 | |
| Kate Gascoyne | 1 | |
| Kate Harrison | 1 | |
| Katie Landon | 1 | |
| Katy Piddock | 1 | |
| Kay Bain | 1 |