Four years after settling for bronze, Sanya Richards-Ross won gold in the women's 400.
The athletes, including sprinter Sanya Richards-Ross, coalesced around the Twitter "hashtag" a way to group Twitter messages by topic WeDemandChange.
Olympic bronze medallist Sanya Richards ran the fastest women's 400m of the year to win gold in 49 seconds.
Sanya Richards-Ross ran the anchor, crossing the line in 3:16.87 the fastest time in the world in 19 years.
No wonder why Sanya Richards-Ross has been so vocal about changing the rules regarding Olympic athlete payment and sponsorships.
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Olympic gold medalist Sanya Richards-Ross, recovering from toe surgery, pulled out after deciding her foot wasn't ready to return to competition.
Photogs have caught star gymnast Gabby Douglas, track champ Sanya Richards-Ross and swimmer Ryan Lochte giving their medals some tooth.
Meanwhile, American Sanya Richards again dominated Olympic and world champion Christine Ohuruogu as she qualified for Monday's women's 400m final.
However, Olympic champion Christine Ohuruogu could finish only fifth in the final of the women's 400m, with American Sanya Richards taking gold.
The defending champion left it late to finish second in her semi-final in a season's best 50.35 seconds behind favourite Sanya Richards (50.21).
American 400m runners Jeremy Wariner and Sanya Richards, as well as Ethiopia's Tirunesh Dibaba (5000m), all triumphed in their events to maintain their jackpot hopes.
Olympic champion Christine Ohuruogu has another chance to take on world champion Sanya Richards in the 400m, while world bronze medallist Jenny Meadows goes in the 800m.
American 400m runner Sanya Richards was favourite to win gold in Beijing last year but was overtaken in the finishing straight by Christine Ohuruogu and Shericka Williams from Jamaica.
Suhr's pole-vaulting win was the second gold medal the U.S. track-and-field team has secured during three full days of athletics competitions, following Sanya Richards-Ross winning the women's 400-meter race on Sunday night.
American Sanya Richards struggled round the top bend in the women's 400m, before battling through to win in 49.95 seconds, with British duo Nicola Sanders and Christine Ohuruogu fourth and sixth respectively.
Olympic bronze medallist Sanya Richards of the United States - who faded in the final won by Briton Christine Ohuruogu in Beijing - won the women's 400m in an overdue season's best of 49.74 secs, with Jamaica's Shericka Williams, second in Beijing, off the pace in fourth.
In the women's 400, Olympic gold medalist Sanya-Richards Ross finished last in her first race since having surgery on her right big toe last September.
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