Why Runners Should Brush Their Teeth After A Long Run

Some athletes are even brushing mid-run.

In 2026′s Tokyo marathon, runner and teacher Annie Tran said the secret to her speedy finish was a disposable toothbrush.

“Every runner knows that mile 20 is where we have to dig deep and find what little energy we have left. After brushing my teeth, I felt revived and refreshed,” she said on Instagram.

That’s one way of getting past “the wall”. But whether you’re running a marathon or not, runner Katy Laser pointed out an issue dentists say could be common among distance joggers – and........

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