Backfill · 2024
#76 of 363Cold Water Swimming
Personal photo: An outdoor swimming pool with steam rising from the cold water surface, a swimmer visible in the lane, fall trees with orange leaves in the background.
I started swimming in the outdoor pool at the rec center before it closes for winter. In late October, water temperature drops to about 58 degrees. Cold enough that the first 30 seconds feel like an electric shock spreading from skin inward. After the initial shock, my body adjusts. The cold becomes a steady, pressing sensation making every nerve feel awake and present in a way warm water doesn't. Hands go numb after about 10 minutes. Breathing stays deliberately slow because fast breathing in cold water triggers a gasp reflex that can cause you to inhale water. When I get out, my skin is red and tingling. A calm alertness lasts for about 2 hours. Afterglow is the real reason people do this. The practice has roots in Scandinavian and Russian bathing culture. Growing popularity of cold exposure among wellness communities has backed it with research showing benefits for inflammation, mood, and immune function.