Results/Photos

Date: Sept. 27, 2026 Participant: Charles Bibilos #32403 Race: 2026 Boulderthon 10K Distance: 6.2 miles

Steady Pace Highlighted by a Fast Fifth Mile Charles Bibilos, 49, of Denver, finished the 2026 Boulderthon 10K in 55:13, averaging 8:54 per mile. His race built steadily through the first four miles, holding between 8:51 and 9:05 pace, before he found his strongest stretch in mile five, clocking 8:10the fastest mile of his race. He eased slightly over the final mile, closing in 9:27, for a well-paced effort overall. Racing at Boulder's altitude of over 5,000 feet, Bibilos showed strong control across the course, with room to consider a more even final mile if he returns to chase a faster finish next time.