Training for a 10K, half marathon, or marathon is serious business. Hit the pavement too often and you risk injury or burnout. Not enough and you might never see the finish line. With all the plans, ...

A true tempo run – a threshold run – is at a pace that’s about 25-30 seconds per mile slower than your 5K race pace, says running coach Jack Daniels, who popularised the tempo run in his book Daniels’ ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Whether you’re training for your first race or are already a seasoned runner, ...