The Nordic Opening is a cross-country skiing event held annually since the 2010–11 season in Ruka, Finland or Lillehammer, Norway.

The inaugural Nordic Opening was held in 2010 and was originally named Ruka Triple.

As of 2019, the prize money for the event amount to 240,000 Swiss francs,[1] shared out on both men and women.

The first stages was arranged on 26 November 2010 and were won by Marit Bjørgen[2] (ladies) and John Kristian Dahl[3] (men).

[5] The final stage of the race is held in a pursuit format, with competitors starting with the gaps they have in the overall classification, so the first skier to reach the finish line is the overall winner.

[4] The bonus seconds awarded on the sprint stage are meant to encourage sprinter specialists to go for results in the overall standings.

The following skiers have won the Nordic Opening without winning any of the three stages: Alexander Legkov (2010), Petter Northug (2012), Marit Bjørgen (2013), Martin Johnsrud Sundby (2016), Charlotte Kalla (2017) and Didrik Tønseth (2018).

Johannes Høsflot Klæbo and Martin Johnsrud Sundby have won three stages each, most among the men.