| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Jim Merli | 1 | |
| Jimmy Marshall | 1 |
References[1] Remembrance thread on UKClimbing.com, March 2023 https://www.ukclimbing.com/forums/rock_talk/jimmy_marshall_rip-757256 [2] https://www.heraldscotland.com/news/23364294.jimmy-marshall-tributes-paid-death/ [3] Obituary on UKClimbing.com by Robin Campbell, March 2023 https://www.ukclimbing.com/news/2023/03/jimmy_marshall_obituary_-_king_of_the_ben-73278 |
| Jimmy Sundin | 1 | |
| Jim Perrin | 1 |
Jim Perrin is a well established author of climbing related works. As well as publishing many books he has also written extensively on climbing for mainstream news sources such as The Guardian newspaper. |
| Jim Petersen | 1 | |
| Jim Pettigrew | 1 |
References[1] http://www.supertopo.com/climbers-forum/722065/Welcome-to-Jim-Pettigrew |
| Jim Sandford | 1 |
References[1] Free Will: The Climbing Life of Jim Sandford by David Smart, Gripped 2021 https://gripped.com/profiles/free-will-the-climbing-life-of-jim-sandford/ |
| Jim Thornburg | 1 | |
| Jim Titt | 1 | |
| Jindrich Sustr | 1 | |
| Jo Allen | 1 | |
| Joe Brooks | 1 | |
| Joe Brown | 1 |
The younger of the Joe Browns, not to be confused with the older prolific first ascensionist of the 1950s onwards. |
| Joe Fitschen | 1 | |
| Joel Brady | 1 | |
| Joe Meiners | 1 | |
| Joe Paulus | 1 | |
| Joe Simpson | 1 |
References[1] Simpson, Joe., Colwell, Tony. Touching the Void. Ireland: BookBaby, 2012. [2] Simpson, Joe. This Game of Ghosts. United Kingdom: Vintage, 1994. [3] Simpson, Joe. Dark Shadows Falling. United Kingdom: Vintage, 1998. [4] Simpson, Joe. The Beckoning Silence. United States: Mountaineers Books, 2003. |
| Joe Terravecchia | 1 | |
| Joe Walmsley | 1 |