How Winter is Ruining Your Running

Winter running isn't just mentally tough—it’s scientifically harder on your physiology. If you’ve been feeling slower, sluggish, or just miserable on your cold-weather runs, it’s not just you. From the physics of friction to the chemistry of your muscle fibers, the cold is actively working against your PRs. In this video, we break down the 8 scientific reasons why winter is the absolute worst season for runners. Whether it's the hidden dehydration or the impact of cold on EVA foam, we’ve got the data to back up every single one of your complaints. If you're into this sorta thing: https://www.strava.com/athletes/runnertia 0:00 - Intro 0:29 - Dehydration 1:54 - Extra Energy Cost 2:56 - Slow Muscles 3:56 - Slippery Stuff 4:49 - Mental Toughness 5:55 - More Clothes 6:26 - EVA 7:07 - Heart Rate