At 3.1 miles, it’s long enough to challenge both the beginner and advanced runners, and everyone in between. Perhaps this is ...

One of the things that holds us back from running faster is lactic acid—the culprit ... but covering a long distance once ...

With no long-lasting PBs to beat and plenty ... For example, if you’re aiming to run fast over a shorter distance, you’ll want to do short, sharp bursts of movement followed by rest ...

Slow-twitch fibers are those that support longer, continuous exercises like long-distance running. They do not fatigue as easily as fast-twitch. Meanwhile, fast-twitch muscle fibers support ...