Results/Photos

Date: Sept. 27, 2026 Participant: Sophia Carlson #41344 Race: 2026 Boulderthon 5K Distance: 3.1 miles

Steady Effort Anchors a Solid 5K Finish Sophia Carlson, 19, of Boulder, completed the 2026 Boulderthon 5K in 32:59. Her race opened briskly with a 10:15 first mile, then quickened to 9:36 for the second her fastest mile of the day before easing to 11:58 over the closing mile to the finish. That early surge through two miles suggests strong aerobic control, and there's room to experiment with holding that middle-mile rhythm deeper into the race next time. Running at altitude in Boulder, over a mile high, adds a real physiological test to any pacing strategy, and her ability to bank time early gave her a cushion for the final stretch.