AAU National Championships-Jr Olympic - Organization License 2013 AAU JO Games - 7/27/2013 to 8/3/2013 Olds-Marshall Track, Rynearson Stadium Eastern Michigan University, Ypsilanti, MI Event 48 Boys 400 Meter Dash 13 years old =============================================================== National: N 50.21 8/4/2012 Lamarque Davis, DeSoto, TX Name Year Team Finals =============================================================== Finals 1 Justin Long 00 Lilburn, GA 51.03 2 Tyrese Cooper 00 Miami Gardens, FL 52.27 3 Isaiah Petit-Jeune 00 Miramar Optimist, F 52.49 4 Nicholas Eggleston 00 Beltsville, MD 52.99 5 Keylan Jackson 00 St. Paul, MN 53.53 6 Terry Simuel 00 Pickerington, OH 53.87 7 Joshua Armstead 00 Desoto, TX 54.27 8 Monte Parker 00 Miami Gardens, FL 57.23