Date: Sept. 28, 2025 Participant: Jiezhou Sim #32737 Race: 2025 Boulderthon 10K Distance: 6.2 miles Weather: Perfect running weather with temperatures in the 50's to 70's and nice cloud cover

Demonstrating Consistency with a Strong Finish Jiezhou Sim delivered a commendable performance at the 2025 Boulderthon 10K, maintaining consistent pacing throughout the race. Her splits from mile 1 to mile 4 each recorded a steady 10:47 min/mile pace, reflecting strong endurance and focus. Notably, Jiezhou showcased her ability to adapt and improve her pace towards the end. At mile 5, she accelerated to a 10:25 min/mile pace, and maintained this until the finish, improving her overall elapsed pace to 10:37 min/mile. Her final position was 66th in her division, out of 2428 total participants. Her decision to increase speed after the fourth mile resulted in a significant progression in her rank, moving from 104th to 66th in the F20-24 division. This strategic improvement indicates potential for future races. It would be beneficial to continue this practice of pacing adjustments in future training to consistently boost performance across the full race distance.