United States first team Elana Meyers and Lauryn Williams led the two-woman bobsleigh at Sochi Olympics after the first day of competitions at Sanki sliding center.
The Meyers, who won bronze medal at the 2010 Games, performed two consistent runs to clock a combined time of 1min 54.89sec to finish 0.23sec ahead of the second-placed reigning Olympic champions Kaillie Humphries and Heather Moyse of Canada.
In her first run the two-time world champion Meyers set the new track record with a time of 57.26sec.
The USA-2 team of pilot Jamie Greubel and brakewoman Aja Evans sit third with a time of 1min 55.45sec.
The medal winners will be decided after the third and fourth runs on Wednesday. The times of all four runs are added together to determine the winner.