After leading the 4×400 mixed relay to a bronze medal on Friday, American Allyson Felix was called out of retirement and helped guide the 4×400 women’s relay team to the final at the world championships on Saturday.
After leading the 4×400 mixed relay to a bronze medal on Friday, American Allyson Felix was called out of retirement and helped guide the 4×400 women’s relay team to the final at the world championships on Saturday.