Bush was also a track star at Helix, placing second (10.72) -1.7m in the 2002 CIF California State Meet 100 meters final and posting bests of 10.42 seconds in the 100 meters (both the fastest prep time in the state and among the nation's senior football players) and 21.06 seconds in the 200 meters (third fastest prep in California in 2002). Bush is still 2nd all time on the 100m dash all-time list for San Diego. He placed second in the boys' 50 meters, clocking at 5.85 at the 2003 Los Angeles Invitational Indoor Meet.