Bernard Lagat completes the first leg of a potential 3k-5k double, winning the men's 5000 meters for the Americas with a searing 51.6-second final lap.

June 26, 2010: Anna Pierce comes from behind to overtake Erin Donohue and Shannon Rowbury to win the 1500m at the USA Outdoor Championships in Des Moines.
Sept. 16, 2011: Jamaica's Yohan Blake runs a world-leading 19.26 in the men's 200m, good for the second-fastest time in history.
Sept. 3, 2011: Usain Bolt wins gold in the men's 200m in a time of 19.40, the fourth fastest time in history. American Walter Dix takes silver.