Results/Photos

Date: Sept. 27, 2026 Participant: Dietrich Mattison #10310 Race: 2026 Boulderthon Marathon Distance: 26.2 miles

Steady Miles Build to a Strong Closing Kick Dietrich Mattison, 21, of Madison, Wisconsin, finished in 4:35:58, averaging 10:32 per mile across the 26.2-mile course. His early miles held near 10:1510:30 before drifting to 10:44 by mile five. He then found his best rhythm of the day between miles six and eight, clicking off 9:26, 9:34 and 9:21 splitshis fastest three-mile stretch of the race. Pace steadied again through the middle miles before easing slightly past mile 20 as he approached the lululemon Power-Up Zone near mile 22.5, a section run at over 5,000 feet of altitude on Boulder County's backroads. He closed strong, running his final mile in 9:37 before finishing on the Pearl Street Mall.