 
| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Marcus•Groß | 
| Used name | Marcus•Groß | 
| Born | 28 September 1989 in Görlitz, Sachsen (GER) | 
| Measurements | 182 cm / 85 kg | 
| Affiliations | Grünauer KV 90, Berlin (GER) / RKV Berlin, Berlin (GER) | 
| NOC |  Germany | 
| Medals | OG | 
| Gold | 2 | 
| Silver | 0 | 
| Bronze | 0 | 
| Total | 2 | 
Marcus Groß had the following podium finishes at the Flatwater World Championships: 1st 2013 K2 1000 m (with Max Rendschmidt), 1st 2015 K2 1000 m (with Max Rendschmidt), 3rd 2009 K2 500 m (with the non-Olympian Hendrick Bertz).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2012 Summer Olympics | Canoe Sprint (Canoeing) |  GER | Marcus Groß | |||
| Kayak Fours, 1,000 metres, Men (Olympic) | Germany | 4 | ||||
| 2016 Summer Olympics | Canoe Sprint (Canoeing) |  GER | Marcus Groß | |||
| Kayak Doubles, 1,000 metres, Men (Olympic) | Max Rendschmidt | 1 | Gold | |||
| Kayak Fours, 1,000 metres, Men (Olympic) | Germany | 1 | Gold |