| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Nikolay Nikolayevich•Kruglov |
| Used name | Nikolay•Kruglov |
| Original name | Николай Николаевич•Круглов |
| Born | 8 April 1981 in Nizhny Novgorod, Nizhny Novgorod (RUS) |
| Measurements | 180 cm / 72 kg |
| Affiliations | Dynamo Nizhny Novgorod, Nizhny Novgorod (RUS) |
| NOC | Russian Federation |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2006 Winter Olympics | Biathlon | RUS |
Nikolay Kruglov | |||
| 10 kilometres Sprint, Men (Olympic) | 21 | |||||
| 12.5 kilometres Pursuit, Men (Olympic) | 11 | |||||
| 15 kilometres Mass Start, Men (Olympic) | 21 | |||||
| 4 × 7.5 kilometres Relay, Men (Olympic) | Russian Federation | 2 | Silver | |||
| 2010 Winter Olympics | Biathlon | RUS |
Nikolay Kruglov | |||
| 20 kilometres, Men (Olympic) | 11 |