| Order / Lane | ATHLETE | COUNTRY | PB | SB 2011 |
|---|---|---|---|---|
| Chris Helwick |
USA
|
49.22 | 50.26 | |
| Eric Broadbent |
USA
|
48.23 | 49.46 | |
| Nick Adcock |
USA
|
49.01 | 49.31 | |
| Ryan Harlan |
USA
|
48.72 | 50.42 | |
| Chris Randolph |
USA
|
48.61 | ||
| Kenny Greaves |
USA
|
49.22 | 49.22 | |
| Jake Arnold |
USA
|
48.38 | 50.36 | |
| Isaac Murphy |
USA
|
48.01 | 48.74 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2011 |
|---|---|---|---|---|
| Michael Morrison |
USA
|
48.06 | 48.06 | |
| Matthew Johnson |
USA
|
49.50 | 50.14 | |
| Curtis Beach |
USA
|
46.90 | 46.90 | |
| Mark Jellison |
USA
|
52.25 | 52.68 | |
| Miller Moss |
USA
|
47.23 | 47.23 | |
| Nicholas Huber |
USA
|
50.43 | 50.43 | |
| Ashton Eaton |
USA
|
45.68 | 46.35 | |
| Bryan Clay |
USA
|
47.78 | 49.98 |