John Jackson showed his form ahead of this weekend's four-man Olympic bobsleigh, posting one of the quickest times in practice.
Team GB's first-choice driver was seventh fastest on the first official practice run at the Sanki Sliding Center but improved that to third quickest on his second attempt.
Latvia's Oskars Melbardis and Russia's Alexander Zubkov, the gold medallist in the two-man competition, were quickest in both runs.
Jackson finished fifth at last year's World Championships and claims to like the highly-technical track in Sochi, finishing fifth again here at last year's test event.
"After all the work at our preparation camp in Germany, it was pleasing to see our hard work paying off after a good first day of training," said Jackson.
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