Strength training can improve performance. Yes, even if you replace some of your miles with time in the gym. Yes, even if you spend less time running and more time lifting. Yes, even if you lift heavy, you\u2019re not going to \u201cget too big and unwieldy\u201d enough to hamper your running performance.
\n(This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)