Date: Sept. 28, 2025 Participant: Erik Chaparro #27055 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

Strong Start with Consistent Mid-Race Performance Erik Chaparro demonstrated a commendable showing at the 2025 Boulderthon with a strong opening pace of 5:58 min/mile, holding steady through the first two miles. At the 5-mile mark, he improved his overall position to 27th with a consistent pace of 6:04 min/mile. His splits show a slight variation, with his pace ranging from 6:04 to 6:47 min/mile through various segments. Erik maintained a steady elapsed pace of 6:27 min/mile by the race's end. Throughout the race, Erik's placement fluctuated, with his strongest position among his division (M25-29) being 5th early on, before finishing 13th in his division. Despite a slowdown in the later segments, his overall time of 1:24:38 in a field of 6546 participants is an achievement. A focused review on maintaining his early pace in the latter parts of the race will certainly drive future improvements. Keep up the great effort, Erik!