Career
She represented her country at the 2009 World Championships in Athletics. 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. Later that year she came third at the Istanbul Marathon.
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. A marathon personal best followed at the Istanbul Marathon, where her time of 2:31:12 hours took her to third place.
A winning time of 2:28:27 hours at the 2009 Prague Marathon earned her a place on the national team In the race at the 2009 World Championships in Athletics she came 29th overall.
She placed ninth at the high-profile 2010 Amsterdam Marathon and was runner-up to Rasa Drazdauskaite at the Athens Classic Marathon (setting a season"s best of 2:33:51 hours).
Her sole marathon outing of 2011 was a run at the Dublin Marathon and she missed the podium with a fourth-place finish. 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.