| POS | Rank | Heat | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|
| 1 | 1 | 1 | Alfred Kirwa Yego |
KEN |
1:46.57 |
| 2 | 2 | 1 | Mbulaeni Mulaudzi |
RSA |
1:46.68 |
| 3 | 3 | 1 | Boaz Kiplagat Lalang |
KEN |
1:46.75 |
| 4 | 1 | 2 | Kyle Miller |
USA |
1:47.27 |
| 5 | 4 | 1 | Lachlan Renshaw |
AUS |
1:47.33 |
| 6 | 5 | 1 | Bram SOM |
NED |
1:47.34 |
| 7 | 6 | 1 | Karjuan Williams |
USA |
1:47.59 |
| 8 | 7 | 1 | Rob Novak |
USA |
1:47.67 |
| 9 | 2 | 2 | Andrew Ellerton |
CAN |
1:47.71 |
| 10 | 3 | 2 | Moise Joseph |
HAI |
1:48.09 |
| 11 | 4 | 2 | Tevan Everett |
USA |
1:48.20 |
| 12 | 5 | 2 | Brian Gagnon |
USA |
1:48.63 |
| 13 | 6 | 2 | Dustin Emrani |
ISR |
1:48.95 |
| 14 | 7 | 2 | Julius Mutekanga |
UGA |
1:49.07 |
| 15 | 8 | 2 | Darryll Oliver |
USA |
1:49.57 |
| 16 | 9 | 2 | Pablo Solares |
MEX |
1:50.30 |
| 17 | 10 | 2 | Deon Bascom |
GUY |
1:52.75 |
| 18 | 11 | 2 | Michael Rutt |
USA |
1:53.23 |
| 19 | 12 | 2 | Brendon Mahoney |
USA |
1:54.47 |
| 1 | Abubaker Kaki |
SUD |
DNF | ||
| 1 | Matthew Scherer |
USA |
DNF |