Results/Photos

Date: Sept. 27, 2026 Participant: Eddie Castaneda #30753 Race: 2026 Boulderthon 10K Distance: 6.2 miles

Strong Middle Miles Power a Steady 10K Finish Eddie Castaneda covered the 10K in 1:02:29, holding a consistent low-9:50s to 10:00 pace through the first four miles before surging with a 9:22 fifth mile, his fastest of the race. The final mile eased to 11:13 as he crossed the finish line on the Pearl Street Mall in downtown Boulder. Racing at altitudeBoulder sits above 5,000 feetCastaneda's mile five push moved him up several spots overall before the field settled into the finish stretch. His pacing stayed tight across the middle of the course, a sign of well-managed effort; a touch more reserve for the closing mile could help him carry that mid-race strength all the way to the line next time.