| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 2491 | Cian MCPHILLIPS |
IRL |
1:43.18 Q NR | .174 |
| 2 | 1 | 3 | 2271 | Mohamed ATTAOUI |
ESP |
1:43.18 Q | .179 |
| 3 | 2 | 2 | 2363 | Max BURGIN |
GBR |
1:43.37 Q | |
| 4 | 2 | 3 | 2662 | Emmanuel WANYONYI |
KEN |
1:43.47 Q | |
| 5 | 3 | 3 | 2546 | Navasky ANDERSON |
JAM |
1:43.72 q NR | |
| 6 | 4 | 3 | 2107 | Tshepiso MASALELA |
BOT |
1:43.80 q | |
| 7 | 3 | 2 | 2980 | Donavan BRAZIER |
USA |
1:43.82 | |
| 8 | 4 | 2 | 2527 | Francesco PERNICI |
ITA |
1:43.84 PB | |
| 9 | 5 | 3 | 3004 | Bryce HOPPEL |
USA |
1:43.92 | |
| 10 | 5 | 2 | 2356 | Gabriel TUAL |
FRA |
1:44.09 | |
| 11 | 6 | 3 | 2345 | Yanis MEZIANE |
FRA |
1:44.12 | |
| 12 | 6 | 2 | 2272 | David BARROSO |
ESP |
1:44.27 | |
| 13 | 7 | 3 | 2224 | Marino BLOUDEK |
CRO |
1:44.33 | |
| 14 | 8 | 3 | 2080 | Eliott CRESTAN |
BEL |
1:44.56 | |
| 15 | 7 | 2 | 2647 | Kelvin Kimtai LOTI |
KEN |
1:44.82 | |
| 16 | 1 | 1 | 2147 | Marco AROP |
CAN |
1:45.09 Q | .085 |
| 17 | 2 | 1 | 2007 | Djamel SEDJATI |
ALG |
1:45.09 Q | .088 |
| 18 | 3 | 1 | 2482 | Mark ENGLISH |
IRL |
1:45.47 | |
| 19 | 4 | 1 | 2811 | Maciej WYDERKA |
POL |
1:45.55 | |
| 20 | 5 | 1 | 2387 | Ben PATTISON |
GBR |
1:45.84 | |
| 21 | 6 | 1 | 2105 | Kethobogile HAINGURA |
BOT |
1:46.05 | |
| 22 | 7 | 1 | 2573 | Tyrice TAYLOR |
JAM |
1:46.56 | |
| 23 | 8 | 2 | 2006 | Slimane MOULA |
ALG |
1:46.82 | |
| 24 | 8 | 1 | 2632 | Nicholas Kiplangat KEBENEI |
KEN |
1:49.54 |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second