At the
2010 FINA Short Course World Championships, Houchin won a silver medal in the 4×200-meter freestyle relay for his contributions in the heats. At the
2011 World Aquatics Championships in Shanghai, China, Houchin competed in one event, the 400-meter freestyle. Houchin posted a time of 3:48.80 in the heats and did not advance to the final, finishing fourteenth overall. At the
2011 Pan American Games in Guadalajara, Mexico, Houchin won two gold medals in the 400-meter freestyle and the 4×200-meter freestyle relay. At the
2012 United States Olympic Trials, the qualifying meet for the 2012 Olympics, Houchin made the U.S. Olympic team for the first time by finishing sixth in the 200-meter freestyle with a time of 1:46.88, which qualified him to swim in the 4×200-meter freestyle as a member of the U.S. relay team. Houchin also competed in the 400-meter freestyle at the trials, and finished fourth overall (3:48.32). At the
2012 Summer Olympics in London, Houchin earned a gold medal by swimming for the winning U.S. team in the preliminaries of the
4×200-meter freestyle relay. At the
2013 World Aquatics Championships in Barcelona, Spain, Houchin combined with
Conor Dwyer,
Ryan Lochte, and
Ricky Berens in the
4×200-meter freestyle relay, with the team finishing in first place for the gold medal. Swimming the third leg, Houchin recorded a split of 1:45.59, and the team finished with a final time of 7:01.72. ==Personal life==