Nils Van der Poel and Antoinette de Jong earned maiden titles at the International Skating Union (ISU) World Speed Skating Championships in Heerenveen.
Sweden's Van der Poel beat Dutch home favourite Patrick Roest in the men's 5,000 metres to clinch his first world title.
Van der Poel crossed the line in a personal best of 6mins 08.395secs, with Roest trailing in 6:10.050.
Sergey Trofimov of Russia completed the podium in 6:13.020.
De Jong then claimed her first world title after winning the women's 3,000m in 3:58.470.
She had previously come close to the top of the podium over the same distance, finishing with bronze in 2016 and 2017, and silver in 2019.
📹 After taking bronze [2016 & 2017] and silver , Antoinette de Jong 🇳🇱 just clinched her first-ever 3000m World title 🔥— ISU Speed Skating (@ISU_Speed) February 11, 2021
Martina Sablikova 🇨🇿 takes silver and Irene Schouten 🇳🇱 grabs bronze in the first event of the 2021 World Championships#SpeedSkating #WorldSpeed pic.twitter.com/mmhwp9kJuF
Fellow Dutch skater Irene Schouten was third in 3:59.757, with Martina Sáblíková of the Czech Republic finishing in between the two in 3:58.579.
Competition is scheduled to continue tomorrow with the men and women's 500m races.
Team pursuit events will also take place for both genders.
Competition is being held in Heerenveen in a bio-secure environment.
The Dutch city has been hosting speed skating events in recent weeks with full COVID-19 protocols in place.