In 2012, she won the indoor championship with a distance of , qualifying her for the 2012 IAAF World Indoor Championships. At Worlds, she finished 26th of 30 competitors. At the Olympic Trials, which also served as the National Championships, she won the event with a jump of and qualified for the 2012 Summer Olympics in London. At the games, she failed to advance out of the qualifying round of competition. Her best of three attempts was , well short of the necessary to advance. Of her performance, she remarked "To be here at the Olympic Games is awesome, and I think with each passing year this is going to mean more and more, and the performance will kind of fade away." She was the lone female triple jump representative for the United States at the games. Smock said she would continue to compete for another year at least, but said it was unlikely she would try for another Olympics.