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Author: Doc John

This author has written 16 articles
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Read more about the article How old is too old for a marathon?

How old is too old for a marathon?

  • Post author:Doc John
  • Post published:June 5, 2017
  • Post category:Triathlon Blog

Well, 94-year old Harriette Thompson answered that question this weekend at the San Diego Rock n Roll Half Marathon, becoming the oldest finisher surrounded by her sons and fellow Team…

Continue ReadingHow old is too old for a marathon?
Read more about the article Things that non-triathletes say that drive triathletes crazy

Things that non-triathletes say that drive triathletes crazy

  • Post author:Doc John
  • Post published:April 29, 2017
  • Post category:Triathlon Blog/Triathlon Humor

While most of us will agree that triathlon training is serious business, sometimes its important to have a little bit of triathlon humor. We all have those non-triathlete friends, family…

Continue ReadingThings that non-triathletes say that drive triathletes crazy
Read more about the article Run if you want to keep muscle as you age

Run if you want to keep muscle as you age

  • Post author:Doc John
  • Post published:April 28, 2017
  • Post category:Triathlon Blog

Want to stay strong as you get older? Let's face it, the toughest competitor to run against is Father Time. And as we age, the race against Father Time gets…

Continue ReadingRun if you want to keep muscle as you age
Read more about the article Is running contagious?

Is running contagious?

  • Post author:Doc John
  • Post published:April 19, 2017
  • Post category:Triathlon Blog

Can you catch the running bug? There may be a benefit to being a “social” runner versus a solo runner as far as a recent research article publishing in the…

Continue ReadingIs running contagious?
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About Me

John Martinez, M.D.

I'm a primary care sports medicine physician and 4-time Ironman triathlete. I've been a part of the Ironman World Championships medical team since 1999, a team physician with USA Triathlon's National team, and medical director of several triathlons including the San Diego ITU triathlons in 2011 and 2012.

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