French star Leon Marchand completed a medley double at the Austin Pro Swim Series with a victory in the 400 IM

French star Leon Marchand completed a medley double at the Austin Pro Swim Series with a victory in the 400 IM

Olympic swim stars Summer McIntosh and Leon Marchand delivered another pair of dominant wins on Friday as they powered to 400m individual medley victories on the third day of the Pro Swim Series in Austin, Texas.

Canada's McIntosh, winner of three gold medals at the Paris Olympics and four titles at last year's World Championships in Singapore, crushed the field in the women's 400m medley, clocking 4:28.13 to beat American Emma Weyant, a two-time Olympic medalist herself, by 11.98sec.

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