After recovering from her foot injury, she returned to competition as a New Balance professional athlete in mid-2010. She ran personal records for the mile run (4:36.27) and 3000 m (9:15.71). Bush was runner-up at the 2010 USA Outdoor Track and Field Championships in 9:56.08 behind Lisa Aguilera. Her best steeplechase run that season (9:40.49) came in Belgium.