Terverifikasi Administratif dan Faktual oleh Dewan Pers
Dua pebalap bersaing menjadi yang terdepan di hari pertama free practice (FP) GP Americas 2015, Sabtu (11/4) WIB. Mereka adalah Andrea Dovizioso dan Marc Marquez.
Di sesi latihan bebas pertama, Dovizioso mencatatkan waktu tercepat dengan dua menit dan 19.402 detik. Marquez berada di peringkat kedua dengan waktu dua menit dan 19.846 detik.
Kemudian di sesi latihan bebas kedua, giliran Marquez yang perkasa. Pebalap Honda itu melesat kencang di atas treka basah dan mencatatkan waktu dua menit dan 04.835 detik.
Berikut ini adalah hasil FP1 dan FP2 GP Americas.
| 1 | Andrea DOVIZIOSO | Ducati | 2`19.402 | |
| 2 | Marc MARQUEZ | Honda | 2`19.864 | 0.462/0.462 |
| 3 | Scott REDDING | Honda | 2`20.487 | 1.085/0.623 |
| 4 | Valentino ROSSI | Yamaha | 2`20.593 | 1.191/0.106 |
| 5 | Danilo PETRUCCI | Ducati | 2`20.665 | 1.263/0.072 |
| 6 | Bradley SMITH | Yamaha | 2`20.951 | 1.549/0.286 |
| 7 | Pol ESPARGARO | Yamaha | 2`20.983 | 1.581/0.032 |
| 8 | Cal CRUTCHLOW | Honda | 2`21.300 | 1.898/0.317 |
| 9 | Jorge LORENZO | Yamaha | 2`21.486 | 2.084/0.186 |
| 10 | Yonny HERNANDEZ | Ducati | 2`21.625 | 2.223/0.139 |
| 11 | Alvaro BAUTISTA | Aprilia | 2`22.018 | 2.616/0.393 |
| 12 | Hiroshi AOYAMA | Honda | 2`22.387 | 2.985/0.369 |
| 13 | Jack MILLER | Honda | 2`22.391 | 2.989/0.004 |
| 14 | Stefan BRADL | Forward | 2`22.498 | 3.096/0.107 |
| 15 | Nicky HAYDEN | Honda | 2`22.542 | 3.140/0.044 |
| 16 | Aleix ESPARGARO | Suzuki | 2`22.571 | 3.169/0.029 |
| 17 | Mike DI MEGLIO | Ducati | 2`22.663 | 3.261/0.092 |
| 18 | Hector BARBERA | Ducati | 2`22.716 | 3.314/0.053 |
| 19 | Andrea IANNONE | Ducati | 2`22.741 | 3.339/0.025 |
| 20 | Loris BAZ | Forward | 2`24.178 | 4.776/1.437 |
| 21 | Eugene LAVERTY | Honda | 2`24.178 | 5.449/0.673 |
| 22 | Maverick VINALES | Suzuki | 2`25.024 | 5.622/0.173 |
| 23 | Marco MELANDRI | Aprilia | 2`25.024 | 5.739/0.117 |
| 24 | Alex DE ANGELIS | ART | 2`25.160 | 5.758/0.019 |
| 25 | Karel ABRAHAM | Honda | 2`25.405 | 6.003 |
| 1 | Marc MARQUEZ | Honda | 2`04.835 | ||
| 2 | Cal CRUTCHLOW | Honda | 2`05.162 | 0.327/0.327 | |
| 3 | Andrea IANNONE | Ducati | 2`05.190 | 0.355/0.028 | |
| 4 | Aleix ESPARGARO | Suzuki | 2`05.564 | 0.729/0.374 | |
| 5 | Andrea DOVIZIOSO | Ducati | 2`05.646 | 0.811/0.082 | |
| 6 | Valentino ROSSI | Yamaha | 2`05.691 | 0.856/0.045 | |
| 7 | Pol ESPARGARO | Yamaha | 2`05.840 | 1.005/0.149 | |
| 8 | Stefan BRADL | Forward | 2`05.990 | 1.155/0.150 | |
| 9 | Yonny HERNANDEZ | Ducati | 2`06.092 | 1.257/0.102 | |
| 10 | Bradley SMITH | Yamaha | 2`06.134 | 1.299/0.042 | |
| 11 | Jorge LORENZO | Yamaha | 2`06.174 | 1.339/0.040 | |
| 12 | Scott REDDING | Honda | 2`06.216 | 1.381/0.042 | |
| 13 | Danilo PETRUCCI | Ducati | 2`06.294 | 1.459/0.078 | |
| 14 | Mike DI MEGLIO | Ducati | 2`06.591 | 1,756/0.297 | |
| 15 | Maverick VINALES | Suzuki | 2`07.011 | 2.17607.011 | 2.176/0.420 |
| 16 | Hiroshi AOYAMA | Honda | 2`07.268 | 2.433/0.257 | |
| 17 | Alvaro BAUTISTA | Aprilia | 2`07.419 | 2.58407.419 | 2.584/0.151 |
| 18 | Hector BARBERA | Ducati | 2`07.581 | 2.74606.581 | 2.746/0.162 |
| 19 | Jack MILLER | Honda | 2`07.916 | 3.08107.916 | 3.081/0.335 |
| 20 | Eugene LAVERTY | Honda | 2`07.968 | 3.13307.968 | 3.133/0.052 |
| 21 | Karel ABRAHAM | Honda | 2`08.266 | 3.431/0.298 | |
| 22 | Nicky HAYDEN | Honda | 2`08.762 | 3.927/0.496 | |
| 23 | Loris BAZ | Forward | 2`09.372 | 4.537/0.610 | |
| 24 | Marco MELANDRI | Aprilia | 2`11.258 | 6.423/1.886 | |
| 25 | Alex DE ANGELIE | ART | 2`12.409 | 7.574 |