[3] Indoor rowing: Beach Sprints: In 2015, Naukkarinen became the first men's open category rower to win the Finnish Championship title in all distances (500 m, 2,000 m, 10,000 m and 42,195 m).

[8][9] His 100 kilometer record of 6:06:06.1 (average speed 1:49.8/500 m) is still standing, from when Naukkarinen rowed at the Kuopio Market Square at the opening of the Christmas season on 24 November 2018.

[10][11] In January 2023, Naukkarinen earned the silver for the men's 2,000 m at the European World Indoor Championships in Paris, France with a time of 05:51.5.

[12][13] In November 2022, Naukkarinen qualified and was invited to participate in the World Indoor Rowing Championships in Mississauga, Canada.

[18] 4 × 1,000 m Men 4 × 1,000 m Open mixed team In the 2022 World Rowing Beach Sprint Finals, Naukkarinen won Finland's first medal at the championships.