Persistent rain prevented any meaningful running during the second practice session at Sochi Autodrom.
Fernando Alonso and Roberto Merhi have both picked up grid penalties for the Russian Grand Prix due to power unit changes.
Nico Hulkenberg headed a first practice session which saw very little running at all until the final quarter of an hour.
The first practice session for the Russian Grand Prix has been delayed by at least 30 minutes due to a diesel spillage on the track.
Pictures from the build-up to the 2015 Russian Grand Prix.
Kimi Raikkonen doesn’t expect Ferrari will be more competitive at Sochi because of the switch to softer rubber for this year’s race.
Carlos Sainz Jnr says the impasse over Red Bull’s engine supply deals is delaying work on their 2016 cars.
Nico Rosberg is wary about Mercedes’ performance in Russia this weekend as they will use the softest tyre combinations for the first time since their uncompetitive performance in Singapore.
Drivers are likely to get their first experience of the Sochi Autodrom in wet conditions during practice for the Russian Grand Prix tomorrow.
Don’t miss any of the 2015 Russian Grand Prix sessions – here are the times for all of this weekend’s action including the World Endurance Championship at Fuji.
Drivers have been given new rules to prevent them gaining an advantage if they run wide at Sochi’s turn two.
Just three points could secure the constructors’ championship for Mercedes this weekend – but could Sochi trip them up like Singapore did?
Daniil Kvyat is hoping to make up for the disappointment he suffered in his first race on home ground last year.
Pirelli will bring its softest combination of tyres for the second Russian Grand Prix after last year’s tyre selection was found to be very conservative.
Red Bull will not see any performance upgrades on their Renault power unit until the Russian Grand Prix in October, according to Christian Horner.
The 2015 F1 calendar will feature a record-breaking 21 races as South Korea makes a surprise return to Formula One next year.
The FIA has published the official 2015 F1 calendar which includes 20 races.
The return of the Mexican Grand Prix next year will increase the 2015 F1 calendar to 20 races.