Gary Francis: NZ Swimming Olympic program lead on Erika Fairweather's gold medal at the world swim championships - Sportstalk with D'Arcy Waldegrave

A pioneering moment in New Zealand swimming - Erika Fairweather has won the 400 metres freestyle at the world championships in Doha.

She's the first of her compatriots to earn gold at the long course event.

NZ Swimming Olympic program lead Gary Francis joined Piney to discuss.

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