An accident en route to the men's 200-meter race rattles both the runners and fans. In the women's final, Shericka Jackson targets Flo-Jo's world record.
Upon arriving in Budapest for the World Championships, the runners face a wave of media scrutiny as they prepare to battle their toughest competitors.
Top women sprinters from Jamaica and the United States push through setbacks, coaching changes and intense pressure to earn spots on their national teams.
After a stumble at nationals, Noah Lyles aims to rebound in London. But he'll face heat from Britain's Zharnel Hughes, the world's fastest man of 2023.