Results/Photos

Date: Sept. 27, 2026 Participant: Andrew Halbert #10178 Race: 2026 Boulderthon Marathon Distance: 26.2 miles

Fast Start Gives Way to a Grinding Back Half Andrew Halbert finished the marathon in 4:16:04, off his 3:40:35 in 2023 and 3:44:36 in 2025. Through 11 miles he was moving at a 7:59/mile clip, holding between 7:37 and 8:26 pace mile to mile the strongest sustained stretch of his day. From there the pace eased steadily, dropping into the 9-10 minute range by mile 18 and settling into the 11:35-12:49 band from mile 19 to the finish. That late stretch lines up with the lululemon Power-Up Zone near mile 22.5, where his splits sat around 12:22-12:49/mile. Given the early pace he banked, easing the opening miles slightly could leave more in reserve for the closing miles next time out.