Both athletes carried over their form from Beijing 2022 which resulted in individual sprint gold medals for both.

Klæbo picked up his seventh individual win of the season in thrilling fashion as he beat France's Lucas Chanavat via a photo finish in Finland.

The overall season leader crossed the line in 2min 58.34sec while Chanavat followed 0.04sec behind in the sprint final.

Klæbo's compatriot Sindre Bjørnestad Skar bagged the bronze medal, finishing 0.23sec off the lead.

Klæbo extended his lead at the top of the season standings as he now sits on 1,295 points.

Russia's Alexander Bolshunov occupies second place with 833 while Norway's Erik Valnes is in third with 485 points.

In the women's event, Sundling led a Swedish podium sweep with a time of 3:12.86 to take her first World Cup win in two years.

Emma Ribom and Maja Dahlqvist rounded out the top three 3.28sec and 3.67sec later, respectively.

It is the first podium sweep of the women's season.

Norwegians Klæbo, Valnes and Pål Golberg completed the feat in the men's competition in Oberstdorf last month.

Season leader Natalia Nepryaeva of Russia finished 4.69sec off the pace to claim sixth place.

She is in pole position with 893 points, while American Jessie Diggins' 684 points puts her second with Sweden's Ebba Andersson in third on 648 points.

The athletes remain in Lahti as it stages the men's 15-kilometres classic and women's 10km classic.

Both Nepryaeva and Klæbo's leads will be safe no matter the result.

Following that, the next stop of the season is due to come at Drammen in Norway.