Valtteri Bottas ended the final day of pre-season testing with the fastest time, ahead of Sebastian Vettel and Felipe Nasr, while Pastor Maldonado crashed. read more »

Valtteri Bottas topped the timesheets on a day which promised more than it delivered at the Circuit de Catalunya. read more »

Timesheet topper Valtteri Bottas says he is satisfied with pre-season testing while praising the Williams FW37's reliability read more »

Williams' Valtteri Bottas sets the pace as Mercedes emerge from the final day of pre-season testing as strong title favourites. read more »

Valtteri Bottas put Williams top on the final day of winter testing in Barcelona as the size of the gap between Mercedes and the chasing pack became clearer read more »

It's all over. The next time we'll see Formula 1 cars on track will be at the first race of the season in Australia in just two weeks time. The final day of the third... read more »

Valtteri Bottas brings F1 pre-season testing to a close with the fastest time of the day, ahead of Sebastian Vettel and Felipe Nasr. read more »

Valtteri Bottas's morning run on the super-soft tyres was enough to ensure Williams ended the final session of pre-season testing on top, as McLaren endured another... read more »

Williams driver Valtteri Bottas set the fastest time as the third and final pre-season test reached its conclusion at the Circuit de Barcelona-Catalunya on Sunday, courtesy of... read more »

Valtteri Bottas set the quickest time for Williams as Formula 1's pre-season testing programme concluded at the Circuit de Barcelona-Catalunya on Sunday. Bottas moved to... read more »

Valtteri Bottas sets the morning pace for Williams on the final day of F1 testing, but there are more problems for Red Bull and McLaren. read more »

Williams driver Valtteri Bottas topped the final morning of Formula 1 pre-season testing at Barcelona, as McLaren only managed two laps read more »

The final day of winter testing in 2015 has started. Felipe Nasr is the first to leave the pits, followed by Nico Rosberg, Sebastian Vettel and Valtteri Bottas. read more »

Valtteri Bottas admits the time set by Nico Rosberg's Mercedes at the final test was quick enough to shock the rest of the paddock read more »

Valtteri Bottas says he was impressed by Nico Rosberg's time on the second day of the final pre-season test at the Circuit de Barcelona-Catalunya. read more »

Valtteri Bottas expresses his 'surprise' at Nico Rosberg and Mercedes' pace with just two days of pre-season F1 testing to go. read more »

Mercedes fired a warning shot amongst its rivals on Friday as Nico Rosberg smashed the fastest test time so far when he finally ran the soft tyre. The German stormed to the top... read more »

Felipe Massa will drive on days one and three with Valtteri Bottas taking over on days two and four of the final pre-season testing read more »

Valtteri Bottas expects the competition to be closer in 2015, but is confident Williams have made a step forward that will see it challenging for wins read more »

Valtteri Bottas' attempts to complete his planned testing programme on day four of the Barcelona F1 test fell foul of both the elements and his rivals' indiscretions. read more »

Romain Grosjean kept Lotus top on the final day of the second pre-season test in Barcelona using the super-soft tyres to set his best time. The Frenchman might have been... read more »

Valtteri Bottas says Williams will need to improve in the pitstops if they want to win a race this season and that is why the team spent most of day three of the Barcelona test... read more »

Williams drivers Felipe Massa and Valtteri Bottas shared duties on the third day of the second pre-season test at the Circuit de Barcelona-Catalunya as the squad focused on... read more »

Pastor Maldonado put Lotus back on top on Saturday following his table-topping time on the opening day of the Barcelona test. The Venezuelan used the super-soft tyre to lap the... read more »

Williams test driver Susie Wolff will pilot the team's FW37 on the first day of the second pre-season test at the Circuit de Barcelona-Catalunya this week. Wolff will... read more »