Date: Sept. 28, 2025 Participant: Maison Sims #12449 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

Strong Start, Testing Finish Maison Sims, representing Aurora, CO, delivered an impressive initial performance at the 2025 Boulderthon Marathon. At age 19, Maison set a commendable pace, maintaining a consistent performance for the first 11 miles, reflecting sub-6:30 min/mile averages across multiple splits. Notably, the fastest split was recorded at mile 10, clocking in at 6:11 min/mile, demonstrating Maison's capacity for quicker paces when needed. As the race progressed, there was a marked slowdown starting at mile 18. The split pace increased to 9:29 min/mile, with subsequent miles reflecting similar trends. Maison's final mile came in at 10:18 min/mile with an overall completion time of 3:32:27. Despite the drop in pace, Maison's overall performance still ranked within the top half of participants, placing 171st out of 2,678 overall. A focus on sustaining long-distance pacing might be beneficial for future races to enhance performance endurance throughout the entire course.