Results/Photos

Date: Sept. 27, 2026 Participant: Antonio Calderon #40227 Race: 2026 Boulderthon 5K Distance: 3.1 miles

Strong Start Fuels Top-50 Finish Antonio Calderon crossed the line in 18:46, placing 49th overall and 39th among men in the 2026 Boulderthon 5K, finishing 5th in the Male 25-29 division. Calderon opened fast, covering the first mile in 5:48 before surging to a 5:16 second mile, his strongest stretch of the race. He eased over the final mile, closing in 6:52 as the pace settled, still enough to hold a solid position through the finish. Racing at Boulder's altitude of over 5,000 feet, Calderon's early pace set the tone for a well-managed effort that carried him comfortably into the race's upper tier.