| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Arne Nannestad•Sejersted |
| Used name | Arne•Sejersted |
| Born | 18 July 1877 in Trondheim, Trøndelag (NOR) |
| Died | 17 December 1960 in Lillesand, Agder (NOR) |
| Affiliations | Kongelig Norsk Seilforening-Kristiansand |
| NOC | Norway |
| Medals | OG |
| Gold | 1 |
| Silver | 0 |
| Bronze | 0 |
| Total | 1 |
Arne Sejersted was a crew member of the Mosk II at the 1920 Olympics, helping them win a gold medal. Sejersted was a member of Kongelig Norsk Seilforening-Kristiansand. Nothing else is known of his life.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Sailing | NOR |
Arne Sejersted | |||
| 10 metres, Open (Olympic) | Mosk II | 1 | Gold |