Rankings leaders Alexander Bolshunov and Therese Johaug both made it two victories out of two as the International Ski Federation Cross-Country World Cup concluded in Nové Město.
Russia's Bolshunov won the men's 15 kilometre classic pursuit at the Czech resort today, adding to the 15km freestyle title he won yesterday.
Johaug won the women's 10km classic pursuit for Norway to back-up her 10km freestyle gold from day one.
Tour de Ski champion Bolshunov, a four-time Olympic medallist, came home in 37min 1.3sec to collect his fourth race win of the season.
Norway's three-time Olympic champion Johannes Høsflot Klæbo, the overall World Cup winner for the last two seasons, finished 46.7 seconds adrift for the silver medal.
Simen Hegstad Krüger ensured Norway also won bronze as the two-time Olympic gold medallist ended 47.2 seconds behind the winner.
Bolshunov now boasts 1,281 points at the top of the World Cup leaderboard with Klæbo his nearest challenger on 1,122.
Johaug's victory was her ninth of the season and came in a time of 26:49.7.
The women's Tour de Ski winner and 10-time world champion is looking to win a third overall World Cup title and her first since 2016.
Thirty-one-year-old Johaug, who missed the Pyeongchang 2018 Winter Olympics due to an 18-month doping suspension, won by more than a minute in front of Russia's Natalia Nepryaeva who ended in 27:54.5.
Norway's double Olympic gold medallist Ingvild Flugstad Østberg ended third, 1:06 off the pace.
Johaug now has 1,049 points in the World Cup rankings, in front of compatriot Heidi Weng who has 952.
The World Cup season continues in Oberstdorf in Germany next weekend.