Results/Photos

Date: Sept. 27, 2026 Participant: Alexsandro Arreguin Nava #13005 Race: 2026 Boulderthon Marathon Distance: 26.2 miles

Fast Start, Strong Finishing Kick Alexsandro Arreguin Nava completed the 2026 Boulderthon Marathon in 6:50:07, an overall pace of 15:39 per mile. He opened briskly, covering the first five miles in 52:50 a 10:34 pace before the middle and later miles settled into the 14- to 21-minute range. He found another gear over the closing mile, dropping to an 11:50 pace to finish out the 26.2-mile distance. That opening five-mile stretch stands as the fastest running of his race, more than four minutes per mile quicker than his overall average pace. Racing through Boulder's air above 5,000 feet of elevation, he moved through the lululemon Power-Up Zone near mile 22.5 before making his way onto the Pearl Street Mall for the finish.