Mollie O’Callaghan sets a world record at the swimming world championships and wins the gold medal
Australian swimmer Mollie O’Callaghan set a world record in in the women’s 200-meter freestyle on Wednesday, winning the gold medal at the world championships. The 19-year-old O’Callaghan beat teammate Ariarne Titmus, overtaking the race favorite in the final 20 meters. O’Callaghan’s winning time…
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