What does Penny Oleksiak's withdrawal mean for Canada's relay chances at swim world championships?

Less than a month ago, just days before her 25th birthday, Canada's most decorated female Olympian stood on the pool deck of Commonwealth Place in Victoria with a smile stretching across her face.

Penny Oleksiak had just completed a successful national swimming trials, winning  both the 50- and 100-metre freestyle events and being named to Canada's team for this month's world championships in Singapore.

Oleksiak beamed as she talked about her newfound love of swimming and how excited she was for all the racing she was about to do this summer. 

"I actually want to be on the pool deck and in the water, race and be competitive and I'm having fun," she said in mid-June. "It feels so nice and it's showing in my times, my skin, it shows. I'm happy."

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Penny Oleksiak's withdrawal from world championships has us wondering - what even is 'whereabouts'?

There was a sense from Swimming Canada officials, swimmers and fans alike who watched Oleksiak in and out of the pool throughout trials that this was a new athlete — focused, ready for this next chapter and embracing the challenge of finding peak form once again. 

That all came crashing down last Friday when Oleksiak took to social media, posting on her own Instagram page that she was involved in a "whereabouts" case with World Aquatics and that she was withdrawing from the world championships.

"I want to emphasize that this whereabouts case does not involve any banned substance; it's about whether I updated my information correctly," Oleksiak wrote. "I am and always have been a clean athlete and will be making no further comment at this time."

Shortly after Oleksiak's post, Swimming Canada sent out its own statement. 

"Swimming Canada