Results/Photos

Date: Sept. 27, 2026 Participant: Corrina Shaffer #30262 Race: 2026 Boulderthon 10K Distance: 6.2 miles

Steady Pace Through the Middle, Strong Fifth Mile Highlights 10K Effort Corrina Shaffer covered the 10K in 56:54, an average pace of 9:10 per mile. She opened briskly with an 8:25 first mile, then eased through the middle miles8:54, 9:03, and 9:24before finding her rhythm again over mile five, clocking 8:43, her fastest full mile of the race. The final mile settled to 10:44 as she carried through to the finish. Running the 10K in Boulder, which sits above 5,000 feet, Shaffer's race shows a runner who paced herself early, dipped slightly through the middle stretch, and rallied notably before the close. That fifth-mile surge stands out as the highlight of her effort, suggesting strong finishing instincts worth building on in future races.