Date: Sept. 28, 2025 Participant: Hayden Dondlinger #22310 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 Effort with Notable Improvement Hayden Dondlinger, a 22-year-old from Elmhurst, IL, completed the 2025 Boulderthon Half Marathon with a time of 1:52:03, maintaining a steady pace of 8:33 min/mile. Hayden demonstrated consistency with his pacing, particularly notable at mile 5, achieving a powerful split pace of 8:16 min/mile and attaining his highest placement of 37th in his division. Although there was some fluctuation in positions, his pacing remained solid throughout the race, with his pace never exceeding 9:14 min/mile. Compared to his previous races, there is a significant improvement from the 2023 Boulderthon, where he finished in 1:58:00 with a 9:00 min/mile pace. This year, his performance reflects hard work, especially in mile 12 with a split pace of 8:27 min/mile. A steady pace in the last mile, combined with a final push, could enhance his overall performance further. Keep focusing on energy distribution throughout the race.