Results/Photos

Date: Sept. 27, 2026 Participant: Mary Beth Vandeven #30911 Race: 2026 Boulderthon 10K Distance: 6.2 miles

Steady Pacing Through a Strong Middle Stretch Mary Beth Vandeven completed the 10K in 52:49, an 8:31 min/mile pace. Her race opened briskly, clicking off her first mile in 8:00 and holding near that rhythm through mile two. A dip through miles three and four pushed her split pace toward 8:38, but she answered with a strong rebound, cutting her mile five split back down to 8:13 the most notable one-mile stretch of her race given the slower miles surrounding it. Running at Boulder's altitude of over 5,000 feet, Vandeven's ability to regain pace mid-race after a brief slowdown speaks to a well-managed effort. The final mile eased to 9:34, a fair trade-off after her strong recovery, closing out a race that showed real composure across changing conditions on the way into downtown Boulder.