The only three quality sessions you'll ever need, whether you're training for 5K, 10 miles or a marathon Sure, variety is the spice of life. But what if you want to keep life simple? What if there ...
Whether you’re training for your first 5K or looking to smash a marathon PR, fartlek could be the game-changing workout your running routine is missing. Fartlek is Swedish for “speed play,” this ...