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.

DyeStat.com - News - U.S. 4x400 Relays Deliver on Promise of Gold in Final Track Session

Allyson Felix for Millrose Games - global update - AW

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

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Dive results in Bahamian gold Northwest Arkansas Democrat-Gazette

9) USA cruises to gold in men's 4x400m relay

Allyson Felix caps final World Championships appearance with 4×400 mixed relay bronze – Orange County Register

I feel at peace': Allyson Felix exits Olympic stage with record 11th medal

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

Women's 200 Meters: Allyson Felix Misses the Team

I feel at peace': Allyson Felix leaves Olympic track as most decorated US runner