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.

Tokyo Day 15 Highlights: Allyson Felix Wins Her 11th Olympic Medal

WATCH: Allyson Felix Wins her First Rio Olympics 400m Race

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

The Legacy of Allyson Felix: Motherhood, Olympic Champion and

Team USA takes Rio Olympics medal race with ease

U.S. wins appeal after arguing Allyson Felix was bumped leading to

Allyson Felix wins fifth Olympic gold medal as U.S. women win 4

Allyson Felix, U.S. women win gold medal in 4x400-meter relay at

Track and field in better place after 2016 Rio Olympics - Sports

Allyson Felix keeps climbing in record books

Allyson Felix - Wikipedia

Allyson Felix, Biography, Medals, TED Talk, & Facts