Date: Sept. 28, 2025 Participant: Doug Calder #22275 Race: 2025 Boulderthon Half Marathon Distance: 13.1 miles Weather: Perfect running weather with temperatures in the 50's to 70's and nice cloud cover

Consistent Pacing with Key Split Improvements Doug Calders performance at the 2025 Boulderthon Half Marathon showcased steady pacing with noticeable split improvements. With a total time of 2:21:13, Doug maintained an overall average pace of 10:46 min/mile. Starting the race at an 11:18 min/mile pace, Doug steadily improved, achieving a pace of 10:26 min/mile by mile 10. At mile 5, there was a sharp acceleration with a commendable 6:22 min/mile in a short segment. Competitive placement improved in his age division, M65-69, where he achieved placements as high as 8th and 13th over the course. Doug finished 18th in his division, 1710th among males, and 3379th overall out of 6546 participants. The consistent improvement in pace, especially notable in the later stages, offers a solid base to aim for even better results in future races. Focusing on maintaining this late-race momentum across more splits could further enhance Doug's performance.