Research found that doing 10-20-30 intervals can improve 5K time and VO2 max, even if you don’t go at maximum effort. Experts suggest adding this workout to your schedule one to two times per week.

According to coach Ben John, strength exercises are no less important to runners than running shoes or the best moisture-wicking underwear. “Strength training should always be included in a runner’s ...

June 5, 2025 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. When I'm marathon training, my schedule revolves around logging ...

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