Date: Sept. 28, 2025 Participant: Jacek Blaszczyk #11776 Race: 2025 Boulderthon Marathon Distance: 26.2 miles Weather: Perfect running weather with temperatures in the 50's to 70's and nice cloud cover

Consistent Pacing with Room for Strategic Adjustments Jacek Blaszczyk completed the 2025 Boulderthon Marathon in a time of 4:29:29, achieving an average pace of 10:17 min/mile. Maintaining a steady pace, his initial splits were consistent, with the first three miles each clocking in at 8:56 min/mile. The fourth mile, however, saw a drop in speed to a 13:00 min/mile split pace, before returning to sub-10:00 min/mile splits for the remainder of the race. Jacek's consistent performance placed him 15th in his division (M50-54), a noteworthy accomplishment in a competitive field of 2,678 participants. Performance analysis suggests that focusing on maintaining speed after mile three could further enhance his race results. Notably, Jacek improved his marathon time from the 2023 Boulderthon by 25 minutes, reducing his overall elapsed pace from 11:14 min/mile. His strategic pace adjustments and dedication to training are evident, setting a strong foundation for future races.