In 2013, Adrian earned a bronze medal in the 100-meter freestyle at the World Championships, and also finished second in the 400-meter freestyle relay and fourth in the 50-meter freestyle. He continued his sprint dominance at 2013 Phillips 66 Nationals, winning both the 50 and 100-meter freestyles.
In 2014, Adrian again won the 100-meter freestyle at the national meet and placed second in the 50-meter freestyle, thus qualifying for the 2014 Pan Pacs. He won silver in the 100-meter freestyle and bronze in the 50-meter freestyle, and also won gold as part of the 400-meter medley relay team. He currently trains with Cal and holds the American record in the 50 and 100-yard freestyle events.