Allyson Felix becomes most decorated US track and field athlete in Olympics history | CNN
![](https://media.cnn.com/api/v1/images/stellar/prod/210807215552-tokyo-olympics-4x400-relay.jpg?q=x_3,y_144,h_2438,w_4334,c_crop/h_270,w_480)
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Patrick Smith/Getty Images AsiaPac/Getty Images Allyson Felix reacts after winning the gold medal in the women’ s 4 x 400m relay final at...