Mercedes put its revamped W08 through its paces with success in the first free practice session for this weekend’s Spanish Grand Prix in Barcelona.

Lewis Hamilton, runnin on Pirelli’s medium compound,  edged out team mate Valtteri Bottas by 0.029s, leaving Ferrari’s Kimi Raikkonen and Sebastian Vettel just under one second behind.

Vettel’s running in FP1  was limited by a mechanical issue at the rear of his SF70H, but the Scuderia resolved the problem and sent the German back out without any further delay.

Max Verstappen led Red Bull team mate Daniel Ricciardo in fifth and sixth place.

Kevin Magnussen headed Haas’ duo in P7 as both the Dane and Grosjean spent the morning running consistently in the top-ten.

But K-Mag’s session came to a premature halt in the closing stages of the session with an apparent gear-box issue.

Nico Hulkenberg and Carlos Sainz closed out the top ten, over two seconds adrift from the front-running Mercedes tandem.

It was a busy morning of running at the Circuit de Catalunya except for McLaren’s Fernando Alonso whose Honda power unit expired after just three  corners!

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The Spaniard left the circuit dejected to return to his hotel but will be back this afternoon for FP2.

Pos Driver Team Time Gap Laps

1
Lewis Hamilton
Mercedes
1:21.521s

28

2
Valtteri Bottas
Mercedes
1:21.550s
+ 0.029s

30

3
Kimi Räikkönen
Ferrari
1:22.456s
+ 0.935s

24

4
Sebastian Vettel
Ferrari
1:22.600s
+ 1.079s

23

5
Max Verstappen
Red Bull
1:22.706s
+ 1.185s

22

6
Daniel Ricciardo
Red Bull
1:23.084s
+ 1.563s

17

7
Kevin Magnussen
Haas
1:23.670s
+ 2.149s

22

8
Romain Grosjean
Haas
1:23.758s
+ 2.237s

23

9
Nico Hülkenberg
Renault
1:23.993s
+ 2.472s

24

10
Carlos Sainz
Toro Rosso
1:24.004s
+ 2.483s

21

11
Sergio Pérez
Force India
1:24.188s
+ 2.667s

23

12
Esteban Ocon
Force India
1:24.324s
+ 2.803s

22

13
Stoffel Vandoorne
McLaren
1:24.400s
+ 2.879s

24

14
Felipe Massa
Williams
1:24.618s
+ 3.097s

34

15
Daniil Kvyat
Toro Rosso
1:24.642s
+ 3.121s

18

16
Marcus Ericsson
Sauber
1:24.966s
+ 3.445s

23

17
Pascal Wehrlein
Sauber
1:25.182s
+ 3.661s

24

18
Lance Stroll
Williams
1:25.919s
+ 4.398s

34

19
Sergey Sirotkin
Renault
1:26.293s
+ 4.772s

10

20
Fernando Alonso
McLaren

1

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