| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Dag Halfdan•Usterud |
| Used name | Dag•Usterud |
| Born | 3 December 1961 in Porsgrunn, Vestfold og Telemark (NOR) |
| Measurements | 178 cm / 78 kg |
| Affiliations | Brevik Seilforening, Porsgrunn (NOR) |
| NOC | Norway |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Sailing | NOR |
Dag Usterud | |||
| Three Person Keelboat, Open (Olympic) | Norway | 5 |