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Ultra Running 101

Cory Smith

Training Zones: Behind the Numbers

Cliff Pittman
Cliff Pittman

Training zones are a tool. Like any tool, they’re only useful if you understand what they’re built on. When you understand the physiology underneath, a lot of the zone arguments that fill coaching forums start to look like noise.

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Ultra Weekend Recap — March 15, 2026

Drew Dinan
Drew Dinan

This week’s ultramarathon race results include Marin Ultra Challenge, Pistol Ultra, Land Between the Lakes, and Mesquite Canyon.

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World Records at Jackpot

Chris Worden
Chris Worden

Organized by Jon Bullock and Lee Robinson, the event features several fixed-time and distance categories over a weekend of running, and the USATF 100-Mile Championship has served as the marquee race at Jackpot since 2019.

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Running is Painful & Stupid

Kenneth Posner
Kenneth Posner

I showed up at the Jackpot Ultra in Henderson, Nevada, feeling hopeful. I used to run 100 miles in 24 hours routinely. But I haven’t run that distance in 10 years. In other words, I’ve slacked off, and the race was going be redemption.

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The 50-Mile Floor

Shannon Hogan
Shannon Hogan

Sometimes running isn’t the answer. Sometimes running isn’t enough. Sometimes, running is even the problem. But I don’t know how to function any other way.

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Confessions From the Burrito League

Max Hines
Max Hines

Like many in our community, I spent much of January running in circles. Also, like many in our community, I spent much of February turning the dial way back down, measuring time with TV episodes rather than Strava segments for Burrito League.

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A roundup of the week's content and race results. Sent every Thursday.

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  • Magazine
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    • News and Notes
    • Ultra Running 101
    • Weekly Newsletter
    • UltraRunners of the Year
  • Podcast
  • Training Plans
  • Old School Ultras
  • Events
    • Upcoming Races
    • Map View
    • By State
    • By Cutoff
    • Stats
      • Finishes
      • Biggest Races
    • Race Director
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