Does the 80/20 rule work for marathon training?
https://media.blubrry.com/hansonscoaching/s3.us-east-1.wasabisys.com/lukehumphreyrunning/media/8020.mp3Podcast: Play in new window | DownloadSubscribe: Google Podcasts | Stitcher | Email | RSS | MoreSo, I am cruising the social media and lately,…
