Nico Rosberg was the best time of the first free of the Grand Prix of the united States, with prominence to the rain and to the winds leaving the hurricane ‘Patricia’. The track wet throughout the session, forcing the pilots to wet tyres, extreme, first, and intermediate after that, then what did that they could hardly test conditions.
behind Rosberg ended up the two Red bulls and Carlos Sainz, with Lewis Hamilton fifth and very clogged. The problems to keep the car on the track caused many drivers to leave the track, as Williams Valtteri Bottas and Felipe Massa, or the back of the grill, like the almost-debutante Alexander Rossi, which runs in front of his fans. Precisely the Finnish Williams starred in one of the pictures of the day, when it was ahead of its mechanics to the pit.
Valtteri Bottas cleans out a cone – but engineers jump out the way of his skidding Williams just in time for #FP1 #USGP pic.twitter.com/W117tN7JJ5
— Formula 1 (@F1) October 23, 2015
Fernandoonso was ninth, just half a second in the eighth, Kimi Räikkönen. The performance of the McLaren’s Spanish was remarkable, in comparison to his companion Jenson Button, which has not happened in the 13th square to almost a second. Between the two McLaren have given almost 40 laps, which is good news for them.
The only pilot who could not prove was Pastor Maldonado, for problems in the gearbox of his Lotus that have prevented him from giving more than half a turn of setup.
time Table Free 1 Grand Prix of the United Unidos
| Pos. | Piloto | Dorsal | Equipo | Tiempo | Gap | Laps |
| 1 |  Nico Rosberg |
6 | Mercedes | 01′ 53″989 | 0 | 7 |
| 2 |  Daniil Kvyat |
26 | Red Bull | 01′ 55″224 | +1.235 | 6 |
| 3 |  Daniel Ricciardo |
3 | Red Bull | 01′ 55″592 | +1.603 | 10 |
| 4 |  Carlos Sainz |
55 | Toro Rosso | 01′ 55″667 | +1.678 | 8 |
| 5 |  Lewis Hamilton |
44 | Mercedes | 01′ 55″693 | +1.704 | 4 |
| 6 | Sebastian Vettel |
5 | Ferrari | 01′ 55″710 | +1.721 | 10 |
| 7 |  Max Verstappen |
33 | Toro Rosso | 01′ 55″969 | +1.980 | 7 |
| 8 |  Kimi Raikkonen |
7 | Ferrari | 01′ 56″326 | +2.337 | 10 |
| 9 | Fernando Alonso |
14 | McLaren | 01′ 56″839 | +2.850 | 18 |
| 10 | Valtteri Bottas |
77 | Williams | 01′ 56″866 | +2.877 | 15 |
| 11 |  Felipe Massa |
19 | Williams | 01′ 57″081 | +3.092 | 13 |
| 12 |  Sergio Perez |
11 | Force India | 01′ 57″139 | +3.150 | 4 |
| 13 | Jenson Button |
22 | McLaren | 01′ 57″495 | +3.506 | 20 |
| 14 | Nico Hulkenberg |
27 | Force India | 01′ 57″518 | +3.529 | 4 |
| 15 |  Romain Grosjean |
8 | Lotus | 01′ 58″319 | +4.330 | 10 |
| 16 |  Raffaele Marciello |
36 | Sauber | 01′ 59″431 | +5.442 | 19 |
| 17 |  Marcus Ericsson |
9 | Sauber | 01′ 59″743 | +5.754 | 18 |
| 18 |  Alexander Rossi |
53 | Manor F1 | 02′ 01″154 | +7.165 | 11 |
| 19 | Will Stevens |
46 | Manor F1 | 02′ 01″907 | +7.918 | 13 |
| 20 |  Pastor Maldonado |
13 | Lotus | No time | — | 1 |
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