2016 Olympics, track and field results: Allyson Felix wins 6th gold medal with 4x400 relay win

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.

Shaunae Miller's dive denies Allyson Felix 400m gold in dramatic final, Rio 2016

Allyson Felix - Wikipedia

Women's 200 Meters: Allyson Felix Misses the Team

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9) Italy narrowly wins gold in men's 4x100m relay by .01 seconds over Great Britain

U.S. women win 4x400, and Allyson Felix becomes the most-decorated U.S. track athlete

Olympic sprinter Allyson Felix breaks Usain Bolt's world record just 10 months after giving birth

Rio Olympics: Shaunae Miller Dives to Gold in 400 Meters - The New York Times

2016 Olympics: Allyson Felix

Shaunae Miller Dives at Line And Wins 400m Gold Medal, Prevents Allyson Felix From Becoming First Woman With 5 Olympic Gold Medals in Track and Field

Allyson Felix Won Her 11th Olympic Medal With the 4x400 Relay Team - The New York Times

2016 Olympics, track and field results: Allyson Felix wins 6th gold medal with 4x400 relay win

Allyson Felix Wins Silver Medal During Women's 400M at 2016 Olympics, News, Scores, Highlights, Stats, and Rumors

Allyson Felix Wins Bronze, First Olympic Medal as a Mom in 400m – NBC Chicago