Collegiate Career Bests:
400 Meters: 49.40i
800 Meters: 1:52.77i

At Stanford: Provides depth to a deep and talented group of middle-distance runners.

2010 Season (Senior): Ran a season best outdoors of 1:54.71 in the 800 meters at the Stanford Opener.

2009 Season (Sophomore): Placed 13th in the 800 meters at the MPSF Indoor Championships with a career-best run of 1:52.77 ... finished eighth at the Big Meet in the 800 ... finished eighth in his section (1:54.67) in the 800 at the Payton Jordan Cardinal Invitational.

2008 Season (Freshman): Finished 26th at the MPSF Championships in the 400 meters ... ran a collegiate best time of 49.40 seconds in the 400 meters at the UW Invitational ... outdoors, ran season bests in the 200 meters (22.86) and the 400 meters (50.69) at the Davis quad meet.

High School: Captured the 2006 Sac-Joaquin Section titles in the 800 meters, 1,600 meters, and the 4x400 meter relay ... helped his team to second-place in the Division III section meet in cross country ... named the Gold Rush Elite Invite Athlete of the Meet.

Cardinal Catalogue: Science, technology and society major, interested in medicine ... parents are Charles and Colleen Castro.