Results/Photos

Date: Sept. 27, 2026 Participant: Marin Waters #11626 Race: 2026 Boulderthon Marathon Distance: 26.2 miles

Strong Middle Miles Power a Top-10% Marathon Finish Marin Waters finished the marathon in 3:51:19, placing 257th overall (top 10% of the field) and 47th among women. After opening near 8:55 pace and drifting to 9:30 by mile 4, she settled into a steady rhythm, gradually trimming her cumulative pace down to 8:40/mile by mile 20. Miles 15 through 17 stood out as her strongest mile-plus stretch, clicking off 8:24, 8:20, and 8:11 splits. The final 10K brought some fluctuation, with mile 23 slowing to 10:02, but she closed with a strong 8:44 last mile back into downtown Boulder. Running the full 26.2 miles at altitudeBoulder sits above 5,000 feetWaters showed real resilience in the back half, holding her overall cumulative pace under 8:50/mile through the finish on the Pearl Street Mall despite the late-race dip.