Bolt won his heat Saturday in 10.07 seconds, leading the entire way and cruising across the line.
Bolt won his heat Saturday in 10.07 seconds, leading the entire way and cruising across the line.
Misha Japaridze/AP

MOSCOW (AP) -- Usain Bolt ran his first race at this year's world championships, and easily qualified for Sunday's semifinals.

The two-time Olympic champion in the event is trying to regain the world title he surrendered two years ago in South Korea, when he false-started in the final and was disqualified.

He still went on to defend his title in the 200 and the 4x100 relay.

Bolt won his heat Saturday in 10.07 seconds, leading the entire way and cruising across the line.

The race started with a false start, but it wasn't Bolt this time. Instead, it was the runner to his right, Kemar Hyman of the Cayman Islands.

Bolt also won the 100, 200 and 4x100 relay at the last two Olympics.

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