Results/Photos

Date: Sept. 27, 2026 Participant: Sergio Lopez #23935 Race: 2026 Boulderthon Half Marathon Distance: 13.1 miles

Strong Finish Fuels Top-Tier Half Marathon Effort Sergio Lopez crossed the line in 1:31:48, good for 163rd overall and 138th among men in the field of 7,223 a top-tier result. His race unfolded with remarkable evenness, holding a cumulative pace between 6:56 and 7:04 per mile from start to finish, a sign of well-managed effort across the full 13.1 miles. The closing miles stood out most: after ticking through the middle of the course in the high-6:50s to low-7:00s, Lopez surged over the final two miles, covering mile 12 in 6:43 and mile 13 in 6:39 his fastest sustained stretch of the day. That finishing kick came as runners passed near the lululemon Power-Up Zone around mile 9.5, with Lopez still holding strong, steady splits at altitude in Boulder, over a mile above sea level.