Date: Sept. 28, 2025 Participant: Keenan O'brien #25520 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 Performance with Room for Strategy Refinement Keenan OBrien tackled the 2025 Boulderthon Half Marathon with a solid pace of 7:21 min/mile, completing the race in 1:36:26. His performance across the 13.1 miles showed a consistent pace, though with some variability in the middle miles. Notably, he managed a strong start with a 7:06 mile and maintained a pace close to 7:20 min/mile throughout, with slight dips during miles 3, 6, and 11. These splits highlight his ability to start and end strong, suggesting potential for more evenly distributed pacing. Keenan's placement was 271st out of 6,546 overall. Within his M30-34 division, he ranked 59th, but showed competitiveness by being as high as 37th during the initial miles. This indicates potential to improve standings with more strategic pacing in those middle miles. Fine-tuning race strategy for maintaining a more consistent mid-race pace can elevate future performances. Overall, his performance demonstrates solid endurance with great potential.