 Complete the following phrase:  At the 2012 United States Olympic Trials in Omaha, Nebraska, the qualifying meet for the U.S. Olympic Team, Hansen won the 100-meter breaststroke final, qualifying him to swim in that event and the 4×100-meter medley relay at the 2012 Summer Olympics. He also competed in the 200-meter breaststroke and finished fourth. At the 2012 Summer Olympics in London, Hansen finished third in 