José Antonio Butrón ha finalizado en la décimotercera possición la primera manga del Gran Premio de Letonia 2018. El piloto de Marchetti Racing Team iguala de este modo su mejor posición hasta la fecha. Anteriormente consiguió la posición trece en, también, la primera carrera del Gran Premio de la Comunitat Valenciana, celebrado en RedSand MX Park.
Butrón ha salido a la perfección en la tercera posición por detrás de Romain Febvre y Antonio Cairoli, aunque posteriormente ha ido perdiendo posiciones hasta rodar en la posición catorce durante muchos giros.
Cuando solo faltaba una vuelta, el de Chiclana le ha ganado la partida a Jeremy Seewer para quedarse muy cerca del Top 10.
Estos han sido los resultados de la primera manga:
| Pos | Rider | Nat. | Bike | Time | laps | Diff. First | Diff. Prev. | Bestlaptime | in lap | Speed | ||
| 1 | Herlings, Jeffrey | NED | KTM | 35:17.750 | 18 | 0:00.000 | 0:00.000 | 1:52.695 | 7 | 49.8 | ||
| 2 | Cairoli, Antonio | ITA | KTM | 35:20.845 | 18 | 0:03.095 | 0:03.095 | 1:54.084 | 10 | 49.2 | ||
| 3 | Febvre, Romain | FRA | Yamaha | 35:48.495 | 18 | 0:30.745 | 0:27.650 | 1:55.111 | 6 | 48.7 | ||
| 4 | Paulin, Gautier | FRA | Husqvarna | 35:49.003 | 18 | 0:31.253 | 0:00.508 | 1:55.744 | 8 | 48.5 | ||
| 5 | Desalle, Clement | BEL | Kawasaki | 36:06.689 | 18 | 0:48.939 | 0:17.686 | 1:56.075 | 3 | 48.3 | ||
| 6 | Van Horebeek, Jeremy | BEL | Yamaha | 36:14.805 | 18 | 0:57.055 | 0:08.116 | 1:55.835 | 5 | 48.4 | ||
| 7 | Anstie, Max | GBR | Husqvarna | 36:18.892 | 18 | 1:01.142 | 0:04.087 | 1:56.861 | 4 | 48 | ||
| 8 | Coldenhoff, Glenn | NED | KTM | 36:20.642 | 18 | 1:02.892 | 0:01.750 | 1:56.374 | 3 | 48.2 | ||
| 9 | Gajser, Tim | SLO | Honda | 36:23.033 | 18 | 1:05.283 | 0:02.391 | 1:56.888 | 9 | 48 | ||
| 10 | Jasikonis, Arminas | LTU | Honda | 36:27.120 | 18 | 1:09.370 | 0:04.087 | 1:56.525 | 4 | 48.1 | ||
| 11 | Lieber, Julien | BEL | Kawasaki | 36:30.489 | 18 | 1:12.739 | 0:03.369 | 1:57.421 | 8 | 47.8 | ||
| 12 | Nagl, Maximilian | GER | TM | 36:37.803 | 18 | 1:20.053 | 0:07.314 | 1:57.073 | 6 | 47.9 | ||
| 13 | Butron, Jose | ESP | KTM | 36:43.915 | 18 | 1:26.165 | 0:06.112 | 1:58.788 | 13 | 47.2 | ||
| 14 | Seewer, Jeremy | SUI | Yamaha | 36:44.076 | 18 | 1:26.326 | 0:00.161 | 1:56.529 | 6 | 48.1 | ||
| 15 | Bobryshev, Evgeny | RUS | Suzuki | 36:51.068 | 18 | 1:33.318 | 0:06.992 | 1:58.083 | 8 | 47.5 | ||
| 16 | Lupino, Alessandro | ITA | Kawasaki | 36:56.796 | 18 | 1:39.046 | 0:05.728 | 1:58.154 | 8 | 47.5 | ||
| 17 | Desprey, Maxime | FRA | Kawasaki | 37:07.444 | 18 | 1:49.694 | 0:10.648 | 1:59.547 | 8 | 46.9 | ||
| 18 | Strijbos, Kevin | BEL | KTM | 37:14.697 | 18 | 1:56.947 | 0:07.253 | 1:58.608 | 7 | 47.3 | ||
| 19 | Petrov, Petar | BUL | Honda | 37:26.256 | 18 | 2:08.506 | 0:11.559 | 1:59.550 | 8 | 46.9 | ||
| 20 | Leok, Tanel | EST | Husqvarna | 35:33.438 | 17 | 1 lap | 1 lap | 1:59.883 | 6 | 46.8 | ||
| 21 | Monticelli, Ivo | ITA | Yamaha | 35:44.508 | 17 | 1 lap | 0:11.070 | 2:00.700 | 6 | 46.5 | ||
| 22 | Kullas, Harri | EST | Husqvarna | 35:50.831 | 17 | 1 lap | 0:06.323 | 2:00.326 | 8 | 46.6 | ||
| 23 | Bengtsson, Filip | SWE | Yamaha | 35:54.240 | 17 | 1 lap | 0:03.409 | 1:58.576 | 5 | 47.3 | ||
| 24 | Valentin, Ander | ESP | Husqvarna | 35:54.583 | 17 | 1 lap | 0:00.343 | 2:02.064 | 7 | 46 | ||
| 25 | Paturel, Benoit | FRA | KTM | 36:09.111 | 17 | 1 lap | 0:14.528 | 1:59.825 | 5 | 46.8 | ||
| 26 | Karro, Matiss | LAT | Kawasaki | 36:22.263 | 17 | 1 lap | 0:13.152 | 2:01.158 | 2 | 46.3 | ||
| 27 | Kahro, Erki | EST | KTM | 36:48.428 | 17 | 1 lap | 0:26.165 | 2:03.041 | 4 | 45.6 | ||
| 28 | Tarasov, Volodymyr | UKR | KTM | 37:24.907 | 17 | 1 lap | 0:36.479 | 2:04.190 | 6 | 45.2 | ||
| 29 | Renkens, Nathan | BEL | Honda | 35:35.977 | 16 | 2 laps | 1 lap | 2:06.512 | 7 | 44.3 | ||
| 30 | Docherty, Michael | RSA | Husqvarna | 28:39.252 | 13 | 5 laps | 3 laps | 2:03.183 | 5 | 45.5 | ||
| 31 | Gercar, Klemen | SLO | Husqvarna | 21:52.699 | 10 | 8 laps | 3 laps | 2:04.520 | 8 | 45.1 | ||
| 32 | Wysocki, Tomasz | POL | KTM | 7:03.937 | 3 | 15 laps | 7 laps | 2:03.655 | 2 | 45.4 |
