| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| James Turnbull | 4 | |
| Jean-Christophe Lafaille | 4 |
References[1] Obituary in The Guardian by Ed Douglas, February 2006 https://www.theguardian.com/news/2006/feb/18/guardianobituaries.france [2] Obituary in The Independent by Colin Wells, February 2006 http://www.independent.co.uk/news/obituaries/jeanchristophe-lafaille-465996.html [3] Interview with Andy Kirkpatrick and Ian Parnell, 2003 https://www.youtube.com/watch?v=TfKR7v1hC-w [4] https://www.desnivel.com/alpinismo/alpinistas/20-anos-sin-jean-christophe-lafaille/ |
| Jean-Minh Trin-Thieu | 4 |
References[1] Interview with Paul Twomey On The Edge Issue 73, page 30 |
| Jérémy Bonder | 4 | |
| Jerome Mowat | 4 |
Features in Lock Down Rock Up. |
| Jesse Dufton | 4 |
In 2019 Jesse became the first blind person to lead climb The Old Man of Hoy. References |
| Jill Lawrence | 4 | |
| Jim Erickson | 4 |
Bibliography[1] Everything You Need to Know About Placing, Evaluating, and Trusting Pitons by Jim Erickson https://www.climbing.com/skills/how-to-place-evaluate-climbing-pitons/ [2] How Climbing Gear Has Evolved Over the Past 50 Years by Jim Erickson https://www.climbing.com/gear/cllimbing-gear-history-erickson/ [3] Cleaning Up Climbing History. The Truth Behind 13 Pivotal Ascents and Events by Jim Erickson https://www.climbing.com/people/cleaning-up-climbing-history/ References |
| Jimmy Karlsson | 4 | |
| Jiri Kuusonen | 4 | |
| Jocke Berglund | 4 | |
| Joe Gardner | 4 | |
| Joe Healey | 4 | |
| John Cunningham | 4 |
References[1] Connor, J. (1999). Creagh Dhu Climber: The Life and Times of John Cunningham. United Kingdom: Ernest Press. [2] https://www.ukclimbing.com/logbook/ticklists/the_john_cunningham_legacy-6002 |
| John Hartley | 4 | |
| John Schindler | 4 | |
| John Sheard | 4 | |
| Jonathan Hörst | 4 | |
| Joonas Salmi | 4 | |
| Jose Luis Palao | 4 |