Date: Sept. 28, 2025 Participant: Katherina Cortes #32734 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

Steady Start with Opportunities for Speed Katherina Cortes completed the 2025 Boulderthon 10K in 58:48, averaging a pace of 9:29 min/mile. Notably, her pace was consistent throughout, starting strong with a 8:52 min/mile pace in the first mile and maintaining a steady rhythm. Her fastest split was at mile 1 at an 8:52 pace, with a slight decrease in pace to 9:53 by mile 4. A steady but consistent split time of 9:59 was observed across the 5th and 6th miles. In comparison to her previous half marathon in 2024, where she ran a similar pace of 9:30 min/mile, Katherina shows consistent pacing ability in longer races. Her placement in the F25-29 division was 51st out of around 200 competitors, showing strong competitive presence in her age group. Continued pacing practice may help improve overall time in future events. Exploring pacing strategy adjustments between miles 3 and 6 could prove beneficial.