| Results - 1/4 Finals | |||||||||||
| Heat | Rank | Bike | Name | NOC | Gate | Start | Turn_1 | Turn_2 | Turn_3 | Time | Mark |
| 1 | 1 | 595 | MOLINA Gonzalo | ARG | 1 | 2.264 | 7.775 | 15.929 | 23.813 | 30.891 | Q |
| 1 | 2 | 164 | ISIDORE Quillan | GBR | 5 | 2.295 | 7.964 | 16.253 | 24.274 | 31.363 | Q |
| 1 | 3 | 11 | FIELDS Connor | USA | 3 | 2.296 | 7.802 | 16.358 | 24.505 | 31.515 | Q |
| 1 | 4 | 901 | BIAS Michael | NZL | 4 | 2.423 | 8.208 | 16.828 | 24.852 | 31.762 | Q |
| 1 | 5 | 3 | ANDRE Sylvain | FRA | 2 | 2.312 | 8.023 | 16.553 | 47.087 | 1:05.787 | |
| 1 | 6 | 998 | GOYES LARREA Wilson | ECU | 6 | 2.312 | 8.069 | 16.575 | 25.633 | REL | |
| 2 | 1 | 7 | GRAF David | SUI | 1 | 2.276 | 7.782 | 16.024 | 24.119 | 31.300 | Q |
| 2 | 2 | 4 | RENCUREL Jeremy | FRA | 2 | 2.267 | 7.927 | 16.312 | 24.392 | 31.417 | Q |
| 2 | 3 | 993 | NAGASAKO Yoshitaku | JPN | 4 | 2.342 | 8.122 | 16.401 | 24.720 | 31.973 | Q |
| 2 | 4 | 155 | KLESHCHENKO Evgeny | RUS | 6 | 2.315 | 8.084 | 16.783 | 24.964 | 32.089 | Q |
| 2 | 5 | 40 | NAVRESTAD Tore | NOR | 3 | 2.311 | 8.177 | 16.827 | 25.193 | 32.237 | |
| 2 | 6 | 211 | EVANS Kyle | GBR | 5 | 2.266 | 7.871 | 16.595 | 24.865 | 32.389 | |
| 3 | 1 | 100 | MAHIEU Romain | FRA | 4 | 2.282 | 7.764 | 15.885 | 23.833 | 30.704 | Q |
| 3 | 2 | 278 | RAMIREZ YEPES Carlos Alberto | COL | 2 | 2.275 | 7.878 | 16.110 | 24.004 | 31.005 | Q |
| 3 | 3 | 1 | VAN GENDT Twan | NED | 1 | 2.310 | 8.059 | 16.361 | 24.239 | 31.105 | Q |
| 3 | 4 | 208 | MILANO DURAN Jefferson Jordan | VEN | 5 | 2.327 | 8.229 | 16.617 | 24.533 | 31.417 | Q |
| 3 | 5 | 373 | BLANC Renaud | SUI | 3 | 2.297 | 8.042 | 16.989 | 24.878 | 31.875 | |
| 3 | 6 | 161 | RAGOT RICHARD Mathis | FRA | 6 | 2.315 | 8.242 | 16.757 | 25.280 | 33.917 | |
| 4 | 1 | 593 | CAMPO Alfredo | ECU | 2 | 2.262 | 7.780 | 16.063 | 24.071 | 31.178 | Q |
| 4 | 2 | 77 | SAKAKIBARA Kai | AUS | 1 | 2.277 | 16.261 | 24.312 | 31.306 | Q | |
| 4 | 3 | 26 | DARNAND Simba | FRA | 4 | 2.321 | 8.041 | 16.263 | 24.569 | 31.611 | Q |
| 4 | 4 | 120 | PELLUARD Vincent | COL | 5 | 2.269 | 7.828 | 16.555 | 24.631 | 31.823 | Q |
| 4 | 5 | 380 | DE SOUZA FILHO Anderson Ezequiel | BRA | 6 | 2.292 | 7.980 | 16.752 | 24.947 | 31.997 | |
| 4 | 6 | 974 | MAYET Romain | FRA | 3 | 2.333 | 8.111 | 16.764 | 24.904 | 32.214 | |