Results/Photos

Date: Sept. 27, 2026 Participant: Jacob Kalscheur #41366 Race: 2026 Boulderthon 5K Distance: 3.1 miles

Strong Middle Mile Fuels Steady 5K Finish Jacob Kalscheur covered the 2026 Boulderthon 5K in 32:34. His race unfolded in three distinct phases: an opening mile at 11:14, a sharp drop to 8:40 for mile two, and a final mile that eased back to 11:36 as the course wrapped toward downtown Boulder. That middle mile stood out as the fastest full-mile stretch of his race, a clear surge in pace before settling in for the close. Running at Boulder's altitude, over 5,000 feet above sea level, adds a layer of difficulty to any pace change, making that second-mile burst a notable piece of his effort. Kalscheur might look to bring more of that middle-mile rhythm into his opening and closing miles in future races, but this was a race defined by a genuine gear change reflecting real underlying strength.