Kristin Armstrong
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Cycling: Kristin Armstrong

Kristin Armstrong
Kristin Armstrong of the United States competes in the women’s cycling individual time trial. Armstrong successfully defended her Olympic gold in the grueling event.  (Stefano Rellandini / Associated Press)
Kristin Armstrong
Road cyclist Kristin Armstrong, a former triathlete, triumphantly displays her gold medal in women’s individual time trial.  (Sergey Ponomarev / Associated Press)
Kristin Armstrong
Gold-medal cyclist Kristin Armstrong holds her son as she stands on the podium. (Carl De Souza / AFP/Getty Images)
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