Results/Photos

Date: Sept. 27, 2026 Participant: Julian Immonen #41592 Race: 2026 Boulderthon 5K Distance: 3.1 miles

Big Improvement, Strong Middle Mile Carries the Day Julian Immonen finished the 2026 Boulderthon 5K in 26:50, a solid improvement over his 28:31 from the 2025 race. That gain reflects a full minute-plus drop in overall pace, moving from 9:12 to 8:39 per mile. The race unfolded with a steady opening mile at 8:53, before Immonen found his rhythm and turned in his fastest mile of the day, an 8:22 second mile. He held on well through the finish, closing with an 8:45 third mile as cumulative pace settled at 8:39. Racing at Boulder's altitude of over 5,000 feet, that kind of pacing patternbuilding speed through the middle milespeaks to smart, controlled effort. Consider working on sustaining that second-mile strength deeper into the final stretch as an area to explore next time out.