80/20 ENDURANCE BLOG

long run transition training

At What Point Do Long Runs Transition from Training to Punishment?

By Matt Fitzgerald | February 3, 2020

Rob Krar competes in—and often wins—100-mile ultramarathons. When training for these events, he never runs farther than 35 miles. From…

8020 Endurance Hero

Why Ultrarunners Should Sprint

By Matt Fitzgerald | February 18, 2019

When I trained for my first ultramarathon (the American River 50 Mile Endurance Run) over the winter of 2015-16, I…

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