Martina Satková earned double gold on the opening day of the International Canoe Federation's Wildwater Canoeing World Championships in Muotathal.
The Czech athlete triumphed in both the women’s C1 and K1 disciplines as action got underway at the Swiss venue.
She finished the 4.3 kilometre course in a time of 13min 45.37sec in the C1 competition to top the podium.
Italy’s Cecilia Panato and Germany’s Maren Lutz rounded off the podium positions, after ending in times of 13:57.15 and 14:14.44 respectively.
Satková clinched her second title of the day by winning the K1 event in a time of 12:42.07.
France’s Manon Hostens ended as the runner-up in 12:59.40, with Switzerland’s Melanie Mathys completing the top three in 13:04.41.
There was further Czech success in the men’s C1 competition, as Ondrej Rolenc crossed the line in the fastest time by managing 13:00.57.
France’s Louis Lapointe and the Czech Republic’s Marek Rygel earned the minor medals by finishing in 13:09.63 and 13:16.11 respectively.
Simon Oven won the K1 event as the Slovenian managed a time of 11:56.93.
He was followed by the French duo Paul Jean and Paul Graton, who clocked 12:01.11 and 12:03.73.
Team classic race competition will take place tomorrow, before sprint qualifications on Saturday (June 2).
The sprint finals will then conclude action on Sunday (June 3).
Action in the sprint format takes place on a 440 metre course.
The non-Olympic discipline sees athletes compete in whitewater conditions on the River Muota.