How Much Sodium Do You Need Per Hour? A Guide for Marathon, Ultra and Hyrox
How much sodium do you need per hour on a marathon, ultra or Hyrox? What the research says, why it varies, and how to build and test your...
October 29, 2026
How much sodium do you need per hour on a marathon, ultra or Hyrox? What the research says, why it varies, and how to build and test your...