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Author

Nick Tiller

Nick Tiller

Nick Tiller (MRes, Ph.D.) is a senior researcher in exercise physiology at Harbor-UCLA, an experienced ultra-runner, and author of the award-winning book “The Skeptic’s Guide to Sports Science”. Twitter: @NBTiller

  • Are Women Closing the Gap?

    Nick Tiller 04/24/2024
    Nick Tiller 04/24/2024

    There’s no obvious physical reason why women and men cannot race ultramarathons in equal numbers, just as they do in nearly every other sport. We hope the examples set by …

    Read more
  • GI Distress, Weight Management and Miles or Muscles?

    Nick Tiller 06/02/2023
    Nick Tiller 06/02/2023

    This article was originally published in the May/June 2023 issue of UltraRunning Magazine. Subscribe today for similar features on ultra training, racing and more. What training is better for getting …

    Read more
  • Running in the Cold, Respiratory Health & Raynaud’s

    Nick Tiller 04/05/2023
    Nick Tiller 04/05/2023

    Many of us contend with training in cold weather, some of us even in polar climates. In these regions, just setting foot out the door can be a challenge. In …

    Read more

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Weekly Newsletter

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

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Podcast

  • Reader’s Questions Answered with Dr. Nick Tiller

  • Jacky Hunt-Broersma: LA to LV Solo

  • Winter Spine Winner Lucy Gossage

  • Day-to-Day Ultra Eats with Kelly Newlon & Stephanie Howe

  • Training Tips w/ Coach Cliff Pittman

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  • Magazine
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  • Articles
    • Reviews
    • Training & Racing
    • Health & Nutrition
    • Race Reports
    • 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
      • Top Performances
      • Biggest Races
    • Race Director
      • Register
      • Login
  • Results
    • Latest Results
    • Runner Search
    • All Time List
  • Shop
    • Back Issues
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    • Stickers
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    • Cart
  • About
    • About UR
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    • Advertise
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