Results/Photos

Date: Sept. 27, 2026 Participant: Greta Heinemann #20247 Race: 2026 Boulderthon Half Marathon Distance: 13.1 miles

Steady Pace, Strong Finish Through Downtown Boulder Greta Heinemann completed the Boulderthon Half Marathon in 1:55:59, holding a consistent pace near 9:00 min/mile through the middle miles before closing with back-to-back sub-8:00 miles over the final two miles her fastest stretch of the race. That late surge dropped her overall cumulative pace to 8:51 min/mile by the finish. The race unfolded evenly through the first ten miles, with per-mile splits clustered between 8:42 and 9:34, showing well-managed effort across the middle of the course. Her strongest mile came at the very end, mile 13, clocked at 7:56 a strong close to a half marathon that finishes on the Pearl Street Mall in downtown Boulder, a city sitting above 5,000 feet of elevation.