This wasn’t supposed to be how it ended.

What should have been a triumphant finish to a momentous career ended in injury when Usain Bolt fell to the track in the midst of his last-ever race at the IAAF World Championships in London on Saturday.

Bolt had apparently developed a cramp in his left hamstring just after taking the baton in his anchor leg of the 4×100 relay and was unable to finish.

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The United Kingdom went on to win the race, and America and Japan took second and third as Bolt’s teammates helped him limp off of the track.

Image: Patrick Smith/Getty Images

Image: Andy Lyons/Getty Images for IAAF

Image: Patrick Smith/Getty Images

The collapse marked the first time since 2008 that Jamaica lost the event at a major track competition, according to the Washington Post.

The painful defeat was a stunning reminder that anything can happen in live sports—even in the final stretch before a track legend’s retirement.

Twitter sympathized with Bolt and celebrated his career.

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