The USA's Tim Burke catches his breath after finishing the Men's Biathlon 10k Sprint at the 2010 Winter Olympics in Whistler, British Columbia, Canada, Sunday, February 14, 2010. (Wally Skalij/Los Angeles Times/MCT)
The USA's Tim Burke catches his breath after finishing the Men's Biathlon 10k Sprint at the 2010 Winter Olympics in Whistler, British Columbia, Canada, Sunday, February 14, 2010. (Wally Skalij/Los Angeles Times/MCT)
The USA's Tim Burke catches his breath after finishing the Men's Biathlon 10k Sprint at the 2010 Winter Olympics in Whistler, British Columbia, Canada, Sunday, February 14, 2010. (Wally Skalij/Los Angeles Times/MCT)

Tough going for U.S. in biathlon sprint

February 14, 2010 08:35 PM