Canadian Olympian Faces Two-Year Swimming Ban

The Canadian swimmer Penny Oleksiak during the World Championships in 2022.Penny Oleksiak, Canada’s most decorated female Olympic athlete, has been suspended from swimming competitions for two years for violating antidoping testing rules.

The violation does not involve a positive test for using performance-enhancing drugs, but rather stems from Ms. Oleksiak’s failure to make herself available to be tested, according to the International Testing Agency, a Swiss nonprofit that manages antidoping programs.

Ms. Oleksiak, 25, failed to report her location and availability to be tested by antidoping authorities three times over a 12-month period.

Under the requirement, known as the whereabouts rule,…