Bill Underwood

Sales Specialist

Lifelong runner Bill Underwood at REI’s Lincoln Park, Ill., store coaches USATF athletes and local charity teams. He’s run 20 marathons, 3 ultramarathons and—someday—the Western States 100. Bill also has way too many running shoes. Proudly.

Latest Articles

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  Skills

  Running at Night Tips

  9  Reviews 9 reviews with an average rating of 4.9 out of 5 stars

  Learn why and how to run in urban areas at night; get tips on route choices and ways to increase your margin of safety.

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  Buying Advice

  How to Choose a Fitness Tracker

  46  Reviews 46 reviews with an average rating of 3.7 out of 5 stars

  Thinking about getting a GPS watch, heart rate monitor or fitness tracker? Learn how to sort through the options and get helpful shopping tips.