Ordered by the number of ascents recorded.
| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Jake Croft | 1 | |
| Jake Mason | 1 | |
| Jake Plasco | 1 | |
| Jakob Aberle | 1 | |
| Jakob Heber Norum | 1 | |
| Jakob Toft Pedersen | 1 | |
| Jakub Fábric | 1 | |
| James Dazhong Cook | 1 | |
| James H. Bell | 1 | |
| James Merriman Archer Thomson | 1 | |
| James Oswald | 1 | |
| James Thornton | 1 | |
| Jamie Cassidy | 1 | |
| Jamie Emerson | 1 |
References |
| Jan Długosz | 1 | |
| Jane Inglis Clark | 1 | |
| Jason Kruk | 1 | |
| Jasper Sharpe | 1 | |
| Jaszna Hodzic | 1 | |
| Javier Cano Blazquez | 1 |