Zephyr Sylvester


When she isn’t shredding national-level Enduro races, Zephyr Sylvester is a Graduate Research Assistant at the University of Colorado studying krill in the Southern Ocean. With two successful years racing the California Enduro Series, she will take on elevation and the Big Mountain Enduro Series this year. In addition to Osmo, she is supported by Yeti Cycles, Giro Cycling, Maxxis Tires, Fox Suspension and EvaCBD.


  • Homestate: Vermont
  • Currently based: Boulder, CO
  • Birthday: June 2

Career Highlights

  • 2018 Kamikaze Bike Games Enduro - 1st Place
  • 2018 Golden Tour (California Enduro Series) - 1st Overall
  • 2018 North American Enduro World Series - 2nd Overall
  • 2017 California Enduro Series - 3rd Overall
  • 2017 Golden Tour (California Enduro Series) - 3rd Overall
  • Zephyr Sylvester sitting in the back of an SUV putting on her shoes with bikes around her
  • Zephyr Sylvester rips down a mountain during a race
  • Zephyr Sylvester stands on the podium along with four other women with a blue mountain bike in front