F1 testing 2017: Hamilton tops first day for Mercedes

Lewis Hamilton put Mercedes on top on the opening day of Formula 1 testing at Barcelona, edging out Ferrari's Sebastian Vettel by a tenth during Monday's afternoon session

F1 testing 2017: Hamilton tops first day for Mercedes

Taking over from new F1 team-mate Valtteri Bottas, who was second fastest to Vettel in the morning, Hamilton set a best time of 1m21.765s using soft tyres with just under two hours to go in the day's running.

The Briton started the afternoon using a shark fin engine cover, its first appearance on the W08, but his best time was set once the team had reverted to its launch-specification design.

Shortly after Hamilton set his best time, Vettel put in a lap just 0.113 seconds slower on medium tyres, which was good enough for the German to end the day second-fastest.

As well as topping the times, Mercedes also completed the most laps on Monday, with Hamilton adding 73 to Bottas's tally of 79 to give the Brackley squad a total of 152.

Ferrari and Williams also broke the 100-lap mark, with 128 and 103 respectively.

Felipe Massa was third fastest, setting a 1m22.076s in the Williams on soft tyres, getting within 0.311s of Hamilton's best effort on the same compound.

A late run on softs in the final half hour allowed Haas recruit Kevin Magnussen to move up to fourth, 1.129s off the pace, while a last-ditch effort on softs by Daniel Ricciardo put him fifth, a further 0.032s adrift.

After a troubled morning, when a broken sensor and a battery issue on the RB13 restricted Ricciardo to just four laps, the Australian was able to boost his tally to 50 laps by the end of the day.

Sergio Perez was seventh for Force India, despite losing much of the afternoon to a broken exhaust, followed by Carlos Sainz Jr (Toro Rosso) and Nico Hulkenberg (Renault).

Fernando Alonso, who managed to complete a total of 29 laps after McLaren's oil leak in the morning, was 10th fastest with a best time of 1m24.852s, three seconds slower than Hamilton.

The two-time champion also suffered an engine shutdown before finally setting a timed lap with an hour-and-20 minutes of the day's running remaining.

Sauber's Marcus Ericsson brought up the rear, just over five seconds off the pace.

MONDAY TEST TIMES:

Pos Driver Car Time Gap Laps
1 Lewis Hamilton Mercedes 1m21.765s - 73
2 Sebastian Vettel Ferrari 1m21.878s 0.113s 128
3 Felipe Massa Williams/Mercedes 1m22.076s 0.311s 103
4 Kevin Magnussen Haas/Ferrari 1m22.894s 1.129s 51
5 Daniel Ricciardo Red Bull/Renault 1m22.926s 1.161s 50
6 Valtteri Bottas Mercedes 1m23.169s 1.404s 79
7 Sergio Perez Force India/Mercedes 1m23.709s 1.944s 39
8 Carlos Sainz Jr. Toro Rosso/Renault 1m24.494s 2.729s 51
9 Nico Hulkenberg Renault 1m24.784s 3.019s 57
10 Fernando Alonso McLaren/Honda 1m24.852s 3.087s 29
11 Marcus Ericsson Sauber/Ferrari 1m26.841s 5.076s 72


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