Diamond League: Usain Bolt will 'work my hardest' to return to form

Usain Bolt insists he is "going to work [his] hardest" to return to winning ways, after recently being beaten by Justin Gatlin in the 100m.

In his first Diamond League appearance of the season, the Olympic champion lost out to Gatlin by one-hundredth of a second in Rome.

Speaking ahead of the next Diamond League meeting in Oslo, where he will compete in the 200m, Bolt says he will "be ready" for the World Athletics Championship in Moscow later this summer.

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