2016 Olympics, track and field results: Allyson Felix wins 6th

The men's and women's teams won gold in the 4x400, plus Matthew Centrowitz won the first gold for the US since 1908 in the 1500 meters.

U.S. Women Win 4x400m Relay, Allyson Felix Wins Ninth Olympic

Rio Olympics: Allyson Felix upset by Bahamas' Shaunae Miller in

Allyson Felix's 400m race will not determine her Olympic plans

Allyson Felix caps final World Championships appearance with 4×400

Allyson Felix: My Rio Highlights

Olympic Treasure Allyson Felix Bound for Incredible 60m Field at

Rio Olympics 2016: Previewing women's track and field - Sports

14) Allyson Felix is now the most decorated woman in Olympic track

Rio Olympics: Allyson Felix upset by Bahamas' Shaunae Miller in

Allyson felix olympic hi-res stock photography and images - Alamy