In any long-distance run, from the half marathon to ultras, the winner isn’t the runner who looks the best right off the starting line, but the one who stays the strongest as the miles stack up.

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 ...