| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Ivar•Mathisen |
| Used name | Ivar•Mathisen |
| Born | 14 June 1920 in Bærum, Viken (NOR) |
| Died | 7 October 2008 in Bærum, Viken (NOR) |
| Affiliations | Bærum KK, Bærum (NOR) |
| NOC | Norway |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
Ivar Mathisen had the following podium finishes at the Flatwater World Championships: 2nd 1948 K1 4×500 m (with Ivar Iversen, Hans Martin Gulbrandsen, and Eivind Skabo), 2nd 1950 K2 1000 m (with Knut Østby).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1948 Summer Olympics | Canoe Sprint (Canoeing) | NOR |
Ivar Mathisen | |||
| Kayak Doubles, 1,000 metres, Men (Olympic) | Knut Østby | 4 | ||||
| Canoe Marathon (Canoeing) | NOR |
Ivar Mathisen | ||||
| Kayak Doubles, 10,000 metres, Men (Olympic) | Knut Østby | 2 | Silver | |||
| 1952 Summer Olympics | Canoe Sprint (Canoeing) | NOR |
Ivar Mathisen | |||
| Kayak Doubles, 1,000 metres, Men (Olympic) | Knut Østby | 5 | ||||
| Canoe Marathon (Canoeing) | NOR |
Ivar Mathisen | ||||
| Kayak Doubles, 10,000 metres, Men (Olympic) | Knut Østby | 5 |