Cass da Costa

Run and Cycle editor

Cass da Costa is the Run and Cycle editor for Expert Advice and Uncommon Path. An obsessive yet mercurial runner, they loves exploring the urban obstacle course that is New York City. da Costa is also a writer, and has published in Artforum, The New Yorker, High Country News and elsewhere. REI Co-op Member since 2019.

Latest Articles

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  Gear Guides

  The 5 Best Trail-Running Shoes of 2026: Tested

  Our list of the five best trail-running shoes at REI includes options for every type of runner, whether you're headed into the wild or exploring close-to-home trails. Find the perfect pair today!

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  Gear Guides

  The 4 Best Running Hydration Vests of 2025: Tested

  Discover our testers' favorite running hydration vests put through the ringer across the US. Learn how to choose a running vest with Expert Advice!