1500m Men Nat heats, Heat:1 of 4 ; Official result since 15:09
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 11 | 108 | VALGAEREN SAM | HULS | Sen | 3:50.28 | |||
| 2 | 10 | 543 | WILLIAMS JACK | USA | Sen | 3:50.53 | |||
| 3 | 13 | 106 | RAYMOND BENJAMIN | CAN | Sen | 3:50.82 | |||
| 4 | 15 | 110 | WEISSER PATRICK | GER | Jun | 3:51.03 | |||
| 5 | 5 | 105 | PESSY YOURI | NED | Sen | 3:52.69 | |||
| 6 | 8 | 91 | BLIKSLAGER NIEK | NED | Sen | 3:52.72 | |||
| 7 | 7 | 96 | DAECHLER THEO | FRA | Sen | 3:52.97 | |||
| 8 | 3 | 94 | BYL JEAN-CHARLES | WS | Sen | 3:53.23 | |||
| 9 | 14 | 103 | MENZEL RENE | GER | Sen | 3:53.36 | |||
| 10 | 1 | 97 | DE LOCHT CISSE | ACW | Jun | 3:54.18 | |||
| 11 | 12 | 107 | SENARD ANTOINE | SER | Sch | 3:54.50 | |||
| 12 | 2 | 109 | VANOPPEN THOMAS | ACHL | Jun | 3:56.91 | |||
| 13 | 6 | 93 | BOUKEBAL AZIZ | FRA | Sen | 4:00.97 | |||
| 14 | 4 | 102 | LEHMBERG MARCEL | GER | Sen | 4:04.28 | |||
| 16 | 100 | HOUBEN THYMON | BEL | Sen | DNF | ||||
| 9 | 95 | CARDILLO JOACHIM | RFCL | Sen | DNF |