Aberdeen’s Clark: World Relays final was ‘perfect’ moment for Great Britain to experiment with line-up

Zoey Clark, Laviai Nielsen, Amy Allcock and Emily Diamond of Great Britain pose during round 1 of the Women's 4x400m Relay day one of the IAAF World Relays at Nissan Stadium.
Zoey Clark, Laviai Nielsen, Amy Allcock and Emily Diamond of Great Britain pose during round 1 of the Women's 4x400m Relay day one of the IAAF World Relays at Nissan Stadium.

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