Dmitriy Gaag
Dmitry Vladimirovich Gaag is an athlete from Kazakhstan, who competes in triathlon. Gaag competed at the first Olympic triathlon at the 2000 Summer Olympics. He took fourth place with a total time of 1:49:03.57.
He competed again at the second Olympic triathlon at the 2004 Summer Olympics, dropping to twenty-fifth place with a time 1:56:28.97.
On 6 September 2008 Gaag was banned for two years beginning 20 June 2008, after testing positive for recombinant erythropoietin (EPO).