| Jacek Ludwiczak |
|
As a helmsman in 2026 in the Gdynia Sailing Days on 8906 |
| Jacek Rohowski |
|
As a helmsman in 2015 in the Mistrzostwa Polski on 8551 |
| Jacek Szwed |
|
As a crew in 2017 in the Mistrzostwa Polski on 8493 |
| Jacek Terpiłowski |
|
As a helmsman in 2024 in the Regaty Otwarcia Sezonu on 8212 |
| Jack Anderson |
|
As a helmsman in 1987 in the UK National Championship on 7625 |
| Jack Edwards |
|
As a crew in 1989 in the UK National Championship on 8080 |
| Jack Field |
|
As a crew in 2014 in the North American Championship on 8013 |
| Jack Groves |
|
As a crew in 2025 in the Spring Dinghy on 8411 |
| Jack Hayhurst |
|
As a helmsman in 2007 in the Inland Championship on 8780 |
| Jack Kilburn |
|
As a crew in 2023 in the UK National Championship on 9178 |
| Jack Knowles |
|
As a crew in 2021 in the Stuart Sinclair on 8824 |
| Jack McLean |
|
As a crew in 2009 in the Pre-Worlds on 8277 |
| Jack Murphy |
|
As a helmsman in 2026 in the Spring Regatta on -893 |
| Jack Nash |
|
As a crew in 1997 in the North American Championship on 7068 |
| Jack Thompson |
|
As a crew in 2021 in the Harris Bay Intergalactic 505 Regatta on 8967 |