SPRINT

At the cutthroat Paris Diamond League, Noah Lyles enters the men's 100 to challenge reigning champ Marcell Jacobs — who's eager to silence his critics.

The long-standing rivalry heats up between the United States and Jamaica as Sha'Carri Richardson and Shericka Jackson cope with the pressures of fame.

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.

Top women sprinters from Jamaica and the United States push through setbacks, coaching changes and intense pressure to earn spots on their national teams.

Upon arriving in Budapest for the World Championships, the runners face a wave of media scrutiny as they prepare to battle their toughest competitors.