Results/Photos

Date: Sept. 27, 2026 Participant: Ashley Castellanos #41657 Race: 2026 Boulderthon 5K Distance: 3.1 miles

A Fast Middle Mile Fuels a Steady Finish Ashley Castellanos completed the 5K in 29:25, an overall pace of 9:29 per mile. Her race built momentum through the middle of the course before settling in over the closing mile. After an opening mile of 10:00, Castellanos surged to a 7:55 second mile, her strongest stretch of the race and a clear standout. She eased back over the final mile, closing in 10:24 to finish. That pattern of a strong middle segment bracketed by steadier opening and closing miles shaped her overall pace of 9:29 per mile. Like every distance in the race, her 5K ended on the Pearl Street Mall in downtown Boulder, capping the effort in the heart of the city.