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)
American Kristin Armstrong won her second straight Olympic gold at the women’s Time Trials.
Road cyclist Kristin Armstrong, a former triathlete, triumphantly displays her gold medal in women’s individual time trial. (Sergey Ponomarev / Associated Press)
Gold-medal cyclist Kristin Armstrong holds her son as she stands on the podium. (Carl De Souza / AFP/Getty Images)