Mari Hemmer
| full name | Mari Hemmer | |
| nationality | Norway (NOR) | |
| born | November 1983 | in unknown |
| Navigation | Championships | World Cup | World Records |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
 Olympic Games | 0 | 0 | 0 | 0 | 2 | 3 |
| WCh Single Distances | 0 | 0 | 0 | 2 | 1 | 11 |
| WCh Allround | 0 | 0 | 0 | 0 | 0 | 4 |
 ECh Allround | 0 | 0 | 0 | 0 | 1 | 6 |
Championships - Results
| year | position | championship | place | |
| 2007 | 21 | WCh Single Distances 3000 meters | Salt Lake City | USA |
| NC18 | ECh Allround | Collalbo | ITA | |
| 2008 | 15 | WCh Single Distances 3000 meters | Nagano | JPN |
| 16 | WCh Single Distances 5000 meters | Nagano | JPN | |
| NC18 | WCh Allround | Berlin | GER | |
| NC16 | ECh Allround | Kolomna | RUS | |
| 2009 | NC17 | ECh Allround | Heerenveen | NED |
| 2010 | NC20 | WCh Allround | Heerenveen | NED |
| 2011 | 11 | WCh Single Distances 1500 meters | Inzell | GER |
| 10 | WCh Single Distances 3000 meters | Inzell | GER | |
| 13 | WCh Single Distances 5000 meters | Inzell | GER | |
| 5 | WCh Single Distances Team pursuit | Inzell | GER | |
| NC21 | WCh Allround | Calgary | CAN | |
| 7 | ECh Allround | Collalbo | ITA | |
| 2012 | 18 | WCh Single Distances 3000 meters | Heerenveen | NED |
| NC18 | ECh Allround | Budapest | HUN | |
| 2013 | 22 | WCh Single Distances 3000 meters | Sochi | RUS |
| 14 | WCh Single Distances 5000 meters | Sochi | RUS | |
| 6 | WCh Single Distances Team pursuit | Sochi | RUS | |
| NC17 | WCh Allround | Hamar | NOR | |
| NC16 | ECh Allround | Heerenveen | NED | |
| 2014 | 14 | Olympic Games 3000 meters | Sochi | RUS |
| 7 | Olympic Games 5000 meters | Sochi | RUS | |
| 7 | Olympic Games Team pursuit | Sochi | RUS | |
