Athletics |
2005 World Athletics U18 Championships |
Marrakech |
MAR |
400 m, Men |
🥉 |
USA |
|
Athletics |
2005 World Athletics U18 Championships |
Marrakech |
MAR |
Medley Relay, Men |
🥇 |
USA |
|
Athletics |
2006 World Athletics U20 Championships |
Beijing |
CHN |
4 x 400 m Relay, Men |
🥇 |
USA |
|
Athletics |
2007 Pan American Athletics U20 Championships |
Sao Paulo |
BRA |
400 m, Men |
🥇 |
USA |
|
Athletics |
2007 Pan American Athletics U20 Championships |
Sao Paulo |
BRA |
4 x 400 m Relay, Men |
🥈 |
USA |
|
Athletics |
2015 World Athletics Championships |
Beijing |
CHN |
4 x 400 m Relay, Men |
🥇 |
USA |
|
Athletics |
2017 World Athletics Championships |
London |
GBR |
4 x 400 m Relay, Men |
🥈 |
USA |
|