Barcelona F1 test: Massa and Williams end Tuesday out front

Massa's best time from the morning session, a 1m19.726s, went unbeaten for the rest of the day, as most teams opted to focus on longer runs – resulting in some impressive lap counts.

The fastest time of the afternoon came courtesy of Sebastian Vettel and Ferrari, with the German logging a 1m19.906s with just under two hours of the day on soft tyres.

That, however, was only enough for third behind Massa and Daniel Ricciardo, who was second fastest in the morning, Vettel slotting in just 0.006s behind his former Red Bull teammate.

Vettel and Massa also set an identical amount of laps, both drivers logging 168 - the equivalent of more than two and a half race distances.

After Lewis Hamilton only managed 49 laps in the morning with a damaged floor, Valtteri Bottas was able to rack up 86 in the afternoon to give Mercedes a combined total of 135 for the day.

Bottas' best time was a 1m20.924s on soft tyres, putting the Finn fifth ahead of Esteban Ocon, who also managed to rack up 142 laps in the Force India.

Seventh was Nico Hulkenberg, who completed 58 laps after the power unit problem that curtailed teammate Jolyon Palmer's morning running – but came to a halt on track just moments before the chequered flag, causing the day's only red flag.

A best lap of 1m21.989s on softs was enough to put Hulkenberg clear of Kevin Magnussen (Haas), Daniil Kvyat (Toro Rosso) and Stoffel Vandoorne (McLaren).

Vandoorne recovered from McLaren's latest power unit-related problem to record a total of 80 laps for the day, setting a marginally quicker time in the afternoon than he had done in the morning, albeit still 2.811s off the pace.

Sauber's Marcus Ericsson slotted in between teammate Pascal Wehrlein and Palmer in 12th place, just under four seconds slower than Massa.

Day 1 test times:

	Driver	Team	Time	Gap	Tyre	Laps
1	F. Massa	Williams	1:19.726			168
2	D. Ricciardo	Red Bull	1:19.900	0.174		89
3	S. Vettel	Ferrari	1:19.906	0.180		168
4	L. Hamilton	Mercedes	1:20.456	0.730		49
5	V. Bottas	Mercedes	1:20.924	1.198		86
6	E. Ocon	Force India	1:21.347	1.621		142
7	N. Hülkenberg	Renault	1:21.589	1.863		58
8	K. Magnussen	Haas	1:21.676	1.950		81
9	D. Kvyat	Toro Rosso	1:21.743	2.017		83
10	S. Vandoorne	McLaren	1:22.537	2.811		80
11	P. Wehrlein	Sauber	1:23.336	3.610		47
12	M. Ericsson	Sauber	1:23.630	3.904		53
13	J. Palmer	Renault	1:24.790	5.064		15