Colorado Runner Climbs 1,000 Feet Up First Boulder Flatiron in Under 10 Minutes! The Flatirons are a prominent fixture in Boulder, CO that attracts the likes of hikers, runners, and climbers. For decades, there have been a handful of dedicated runners and climbers who have devoted themselves to test their mettle as they surge up the 1,000-foot rock faces in record time. Related: Boulder, Colorado | If You Have A Weekend To Spend […] Climbing Spencer Cox | August 20, 2020 0 Comments
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