World-champion speedskater Apolo Ohno comes out of retirement to take on the biggest athletic challenge of his career. Ohno will go from the ice to the lava fields at the world's most challenging endurance race in Mission Apolo: BUILT WITH CHOCOLATE MILK. Watch Apolo go from speedskater to triathlon rookie -- and learn how training hard and recovering smarter with lowfat chocolate milk could mean the difference between failing and crossing the most prestigious finish line in sports and "bonking out" along the way.