Results/Photos

Date: Sept. 27, 2026 Participant: Clara Auvray-Stiritz #20363 Race: 2026 Boulderthon Half Marathon Distance: 13.1 miles

Steady Pacing Anchors a Strong Half-Marathon Finish Clara Auvray-Stiritz completed the half marathon in 1:44:55, an 8:00/mile average pace. Her race opened briskly, with a 7:36 opening mile, and cumulative pace held in the 7:40s through the middle miles before easing slightly toward 8:00 by the second half. A dip to 8:31 at mile 11 gave way to a strong closing kick, with miles 12 and 13 clocking 7:53 and 7:56 her fastest closing stretch of the race. Mile 9 to 10 carried her through the course's lululemon Power-Up Zone, a section she handled with paces of 8:13 and 8:04, close to her overall average. Given the finish inside downtown Boulder at over 5,000 feet of elevation, the consistency across 13 miles, capped by a faster final two, reflects well-judged effort management throughout.