Briton Yarnold leads Olympic women's skeleton
Elizabeth Yarnold takes part in a women's skeleton training session at the Sanki Sliding Center in Rosa Khutor on February 10, 2014 - by Lionel Bonaventure
This season's World Cup winner Yarnold, clocked a combined time of one min 56.89 sec for a 0.44sec lead over 2007 world champion Noelle Pikus-Pace of the United States.
In the first run 25-year-old Yarnold set a new track record with a time of 58.43sec.
Last year's European champion Elena Nikitina of Russia sits third after the first day, 0.11sec behind Pikus-Pace.
The skeleton Olympic medal will be decided with the third and fourth runs on Friday.