| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Marián•Ostrčil | 
| Used name | Marián•Ostrčil | 
| Born | 15 October 1980 in Bratislava, Bratislava (SVK) | 
| Measurements | 190 cm / 90 kg | 
| Affiliations | Dukla Trenčín, Trenčín (SVK) | 
| NOC |   Slovakia | 
Marián Ostrčil had the following podium finishes at the Flatwater World Championships: 2nd 1007 C1 1000 m, 3rd 2010 C1 5000 m.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Canoe Sprint (Canoeing) |  SVK | 
Marián Ostrčil | |||
| Canadian Singles, 500 metres, Men (Olympic) | 6 h2 r2/3 | |||||
| Canadian Singles, 1,000 metres, Men (Olympic) | 7 | |||||
| 2008 Summer Olympics | Canoe Sprint (Canoeing) |  SVK | 
Marián Ostrčil | |||
| Canadian Singles, 500 metres, Men (Olympic) | 8 h1 r2/3 | |||||
| Canadian Singles, 1,000 metres, Men (Olympic) | 5 h1 r2/3 |