Tracy Thelen is a life-long endurance athlete, whose primary focus for many years was running and running a marathon in all 50 states. Tracy discovered bikes when she met her now husband. Her first venture was triathlons, where she focused on half and full Iron Distance races, winning two independent full distance races in 2008 (The Great Illini and Silverman). But after she purchased a mountain bike, she soon fell in love with singletrack and dirt. It took a few years before she could actually ride that mountain bike, but once she could, there was no looking back at the roads. She and her husband raced 24-hour races together as a co-ed duo, often times putting the men’s duos on the run and challenging for the overall duo win. She dove head first into endurance mountain biking in 2012, completing her first 100-mile race in Breckenridge. It’s been a progression ever since, as she’s moved away from the cross country world into the ultra distance, back country riding.  Of course, she never forgot her first love of running and branched out in 2016 into trail and ultra running in addition to the mountain biking.

Tracy says her Swiftwick socks have carried her through years of training, thousands of miles in unpredictable Colorado weather, high country riding and 24 hour racing. “No matter which style I’m wearing, I know my feet will be happy.”

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