USA Olympic sprinter Allyson Felix has set a new world record by surpassing Usain Bolt in the tally of gold medals. The sprinter has won 12 gold medals; the twelfth gold in the mixed gender 4x400m relay, at the 17 IAAF World Athletics Championships, held at Khalifa International Stadium in Doha, Qatar. https://twitter.com/TeamUSA/status/1178399119334789120 …
