Results/Photos

Date: Sept. 27, 2026 Participant: Sam Harder #32155 Race: 2026 Boulderthon 10K Distance: 6.2 miles

Strong Start Carries Steady Finish Through Boulder's 10K Sam Harder covered the 2026 Boulderthon 10K in 1:01:45, an average pace of 9:57 per mile. She built an early cushion through the first three miles, clicking off 9:13, 9:09, and 9:23 splits for a 9:14 pace across that opening 5K the fastest stretch of her race. The back half eased into the 10:30s per mile as fatigue set in, but she held her overall place steady across the final miles, crossing exactly where she sat at the 6-mile mark. Harder's race unfolded at over 5,000 feet in downtown Boulder, a city that carries the National Geographic title of Happiest City in America. Her disciplined opening miles set a foundation that kept her overall time solid despite the late-race pace shift a pattern worth noting for future pacing strategy on similar courses.