Results/Photos

Date: Sept. 27, 2026 Participant: Marly Razzano #32264 Race: 2026 Boulderthon 10K Distance: 6.2 miles

Negative-Split Push Highlights a Steady 10K Marly Razzano finished the 10K in 1:07:39. Her cumulative pace tightened steadily through the race, dropping from 11:26 min/mile at the first mile to 10:52 min/mile by the fifth, before a final mile brought the overall average back up slightly to 10:58 min/mile. The standout stretch came between miles four and five, where she clocked 9:47 min/mile her fastest mile of the race and a clear surge after a more measured start. Racing at over 5,000 feet in Boulder, Razzano's pacing pattern showed strong control, building speed through the middle miles before easing back for the finish. That late push through mile five stands out as the highlight of her race, a strong signal of pacing discipline at altitude.