Results/Photos

Date: Sept. 27, 2026 Participant: Sterling Spencer #21629 Race: 2026 Boulderthon Half Marathon Distance: 13.1 miles

Ten Minutes Faster, Steady Pace Throughout Sterling Spencer crossed the line in 2:46:48, a 10:05 improvement over his 2:56:53 at the same distance in 2024. His per-mile pace also sharpened, from 13:30 to 12:43. He opened strong, covering the first two miles at a 10:14 average pace, the fastest sustained stretch of his race. The middle miles settled into a steadier rhythm before he closed out near 12:30 per mile over the final stretch. Around mile 9.5, he passed through the lululemon Power-Up Zone, roughly two-thirds through the course, running it at Boulders altitude of over 5,000 feet.