Karl Meltzer On 46 Days Of Misery

Explore The Space - A podcast by Mark Shapiro MD

Karl Meltzer holds the record for most 100 mile race wins and recently completed the 2,190 mile Appalachian Trail in a record 45 days, 22 hours, 38 minutes. He joins us to discuss his suffer-fest on the AT and overcoming the demon between the ears.