Results/Photos

Date: Sept. 27, 2026 Participant: Brittany Kim #27680 Race: 2026 Boulderthon Half Marathon Distance: 13.1 miles

Steady Pace Carries Denver Runner Through Boulder's Half Brittany Kim finished the 2026 Boulderthon Half Marathon in 2:16:24, averaging 10:24 per mile across the 13.1-mile course through Boulder, which sits above 5,000 feet of elevation. Kim's race showed its strongest form early: her first six miles clicked off in a tight 9:3110:00 band, dropping her cumulative pace to 9:51 by mile 6 the fastest stretch of her day. A rougher mile 7 pushed her pace back toward 10:15, and she held that rhythm through the mid-race miles, passing near the lululemon Power-Up Zone around mile 9.5 before a small dip near mile 11. She answered with a strong mile 12 at 9:56, closing out with a controlled final mile to the Pearl Street Mall finish.