| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Jonathon C•Marshall |
| Used name | Jonathon•Marshall |
| Born | 15 November 2004 in Akron, Ohio (USA) |
| Affiliations | Florida Gators, Gainesville (USA) |
| NOC |  Great Britain |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2024 Summer Olympics | Swimming (Aquatics) | GBR |
Jonathon Marshall | |||
| 100 metres Backstroke, Men (Olympic) | 14 |
