ENLARGE Allyson Felix, right, and English Gardner had trouble with their baton handoff in their first attempt at the women’s 4x100-meter race. In 2004, the women’s squad didn’t complete their baton exchange within the boundaries. In 2008, the women’s squad was disqualified and the men’s team didn’t complete their first-round heats. ENLARGE Felix successfully passed the baton to Gardner when the U.S. 4x100-meter relay team reran their race. Photo: alessandro bianchi/ReutersThe relay do-over added to an already dramatic evening on the track, where the men’s decathlon entered its final stretch.

Source: Wall Street Journal August 18, 2016 22:35 UTC