Iivo Niskanen put on a show during the second day of the Tour de Ski.

The Finnish 29-year-old was superior in the men's 15-kilometer classic and won by 19 seconds ahead of runner-up Alexander Bolshunovov.

- There we can talk about a favorite at the Olympics, says SVT expert Anders Blomquist after Niskanen's victory.

Earlier today, Kerrtu Niskanen, sister of Iivo, won the ladies' 10 kilometer classic.

The text is updated.