"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There's no reason to make running any harder than it is naturally. We don't need to run in suboptimal, ...

Long runs are an essential part of any race-training plan, whether you’re prepping for your first 5K or your tenth marathon. The distance you rack up during these sessions may become daunting, but ...

You’re meant to do long, slow distance runs at an easy, relaxed pace – but for the best results, is there such a thing as too ...