The 30-year-old Hansen from Havertown, Delaware County, rallied over the final lap for a time of 59.68 seconds, giving him a chance to make up for the disappointment of the past two Olympics. He was one of the world's top breaststrokers leading up to both Athens and Beijing, but has yet to win an individual gold. He'll get a third chance in London.
Eric Shanteau is also heading back to the Olympics. Four years ago, he made the team shortly after being diagnosed with testicular cancer.
Shanteau was fourth at the turn, but he turned on the speed heading for the wall and got second in 1 minute, 0.15 seconds.