Ferrari's Kimi Raikkonen led the way in Spain on Friday, as this week's pre-season test at the Circuit de Barcelona-Catalunya drew to a close. Raikkonen’s best lap of 1m 23.477s put him almost a second up on nearest rival Daniil Kvyat in the Red Bull. They were the only two drivers to set their times on Pirelli's new ultrasoft tyre compound. Despite his table-topping effort, Raikkonen admitted he was still unsure as to the SF16-H's ultimate potential. Force India tester Alfonso Celis was an impressive third fastest...