running
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How to Use the ‘80/20’ Rule for Running
Runners often swear by the 80/20 rule for organizing their training—but this is no relation to the Pareto principle of the same name. Let’s talk about where the 80/20 idea comes from, how to implement it, and when it is and isn’t a good idea to train this way. What is the 80/20 rule for…
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What (and When) to Eat on a Long Run
Everything you need to know about fueling your runs with gels, gummy bears, sports drinks, and more.
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Meredith’s Training Diary: Running Slower Than You Think You Should
Welcome to Training Diaries, a Lifehacker series about my journey to the 2023 TCS New York City Marathon. This series will cover all the ups, downs, and hill repeats on my journey to the biggest marathon in the world. Leading up to race day on Sunday, November 5, I’ll go over proper fueling, injuries and…
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Why You Should Take a Pre-Run Poop
If you are a regular runner or cyclist, you are probably all too aware of the GI issues that crop up during a long workout or a race. Dealing with the sometimes explosive nature of runner’s gut, which inevitably strikes during moments where there are no bathrooms in sight, has left many an athlete figuring…





