She made her debut over the distance at the 2004 Moscow Marathon, coming third in the national championship race with a time of 2:37:01 hours.
[3] Her breakthrough came in 2007 when she ran a personal best of 1:09:58 hours for the half marathon at the IAAF World Road Running Championships.
Her 17th-place finish helped the Russian women to fifth in the team rankings.
[1][6] A winning time of 2:28:27 hours at the 2009 Prague Marathon earned her a place on the national team.
[10] Glok set a personal best at the 2012 Vienna City Marathon, edging Helalia Johannes to second place with a finishing time of 2:27:18 hours.