| Nikolay Kruglov Jr. | |
| Fullname: | Nikolay Nikolayevich Kruglov |
| Birth Date: | 1981 4, df=yes |
| Birth Place: | Gorky, RSFSR, Soviet Union |
| Disciplines: | Biathlon |
| Club: | Dinamo |
| Wcdebut: | 24 January 2002 |
| Retired: | 26 March 2010 |
| Olympicteams: | 2 (2006, 2010) |
| Olympicmedals: | 1 |
| Olympicgolds: | 0 |
| Worldsteams: | 7 (2003, 2004, 2005, 2006, 2007, 2008, 2009) |
| Worldsmedals: | 5 |
| Worldsgolds: | 4 |
| Wcseasons: | 9 (2001/02–2009/10) |
| Wcwins: | 3 |
| Wcrelayswins: | 10 |
| Wcpodiums: | 14 |
| Wcrelayspodiums: | 37 |
| Show-Medals: | yes |
Nikolay Nikolayevich Kruglov (Russian: Никола́й Никола́евич Кругло́в; born 8 April 1981) is a former Russian biathlete. His father, Nikolay Kruglov, was also a biathlete. Kruglov Jr. has won a couple of medals with the Russian relay team. He is a two-time World Champion in the men's relay and a two-time World Champion in mixed relay. Also he won silver medals at the 2005 World Championships and the 2006 Olympics.
Kruglov retired from the sport after the 2009–10 season.[1]
All results are sourced from the International Biathlon Union.[2]
1 medal (1 silver)
| Event | Individual | Sprint | Pursuit | Relay | |||
|---|---|---|---|---|---|---|---|
| align=left |  2006 Turin | — | 21st | 11th | 21st | Silver | |
| align=left |  2010 Vancouver | 11th | — | — | — | — |
6 medals (4 gold, 1 silver, 1 bronze)
| Event | Individual | Sprint | Pursuit | Relay | ||||
|---|---|---|---|---|---|---|---|---|
| align=left |  2003 Khanty-Mansiysk | 39th | — | — | — | — | ||
| align=left | 2004 Oberhof | — | 12th | 14th | 17th | — | ||
| align=left |  2005 Hochfilzen | 35th | 5th | 4th | 4th | Silver | Gold | |
| align=left | 2006 Pokljuka | Gold | ||||||
| align=left | 2007 Antholz-Anterselva | 5th | 12th | 16th | 12th | Gold | — | |
| align=left |  2008 Östersund | — | 26th | 25th | — | Gold | Bronze | |
| align=left |  2009 Pyeongchang | — | 66th | — | — | — | — |
3 victories (1 Sp, 2 Pu)
| Season | Date | Location | Discipline | Level |
|---|---|---|---|---|
| 2004–05 1 victory (1 Pu) | 18 February 2005 | Pokljuka | 12.5 km pursuit | Biathlon World Cup |
| 2006–07 2 victories (1 Sp, 1 Pu) | 6 January 2007 | Oberhof | 10 km sprint | Biathlon World Cup |
| 7 January 2007 | Oberhof | 12.5 km pursuit | Biathlon World Cup |