Date: Sept. 28, 2025 Participant: Alex Carlson #22742 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

Steady Improvement with Consistent Pacing Alex Carlson successfully completed the 2025 Boulderthon Half Marathon with an overall time of 1:34:49. Notably, he improved from his previous Boulderthon performance by over 5 minutes, highlighting a strong progression. His average pace of 7:14 min/mile is a substantial improvement from the 7:37 min/mile pace in the 2024 event. His performance placed him in the top 3.5% of the 6546 participants, showing consistent pacing across the race. Examining Alex's splits reveals consistent pacing in the first half with fluctuation towards the end. The first two miles had his fastest split paces at 6:57 and 6:45 min/mile, whereas mile 8 marked his slowest at 7:31 min/mile. Encouragingly, maintaining more even splits could help improve overall time. Each mile stayed under 7:34, emphasizing endurance and consistent effort. Analyzing mile 8's deceleration could provide insight for further gains and strategy adjustments.