Two months ago, Allyson Felix couldn’t walk, hobbled when she descended from a pull-up and landed on a medicine ball instead of on the gym floor. Her right ankle collapsed. So, it seemed, did her dreams of a 200-400 Olympic double.
“My first thoughts were, ‘I can’t believe this is happening,’” she said. “It seemed like everything was over.”
On Sunday, the Los Angeles native and USC alumna blazed off the final curve and won the women’s 400 meters at the U.S. Olympic trials in 49.68 seconds, the fastest time in the world this year.
She has had smoother runs in winning four Olympic gold medals, including the 200 at...