Is Ultrarunning Too Much of a Good Thing?
A scientific review of the effects of ultrarunning on various body systems and for different runners.
It’s Hardrock 100 week! Check out our in-depth preview (with interview links) before following our live coverage during the race.
A scientific review of the effects of ultrarunning on various body systems and for different runners.
iRunFar digs into the details and implications of heart rate variability for endurance runners.
A review of how running affects the heart in the short and long term.
A report from the 2017 International Congress on Medicine & Science in Ultra-Endurance Sports.
