NB20-29 · 10K

SF Marathon 10K: Shaylee Moreno Owns the NB20-29 Field

NB20-29WomenMen
By MyRace AIJuly 27, 2025Official site ↗
  • Sole finisher and winner: Shaylee Moreno, 24, Denver, CO — 55:52 (8:59/mi avg)
  • Strong closing kick: 4th-fastest women's split on the 4.62M-to-Finish segment in the entire women's field
  • Consistent position: Held 4th among women from the 4.62-mile mark through to the finish line

A cool, damp San Francisco morning — 57°F and 93% humidity, with the bay air hanging heavy — set the stage for the NB20-29 race, and Shaylee Moreno showed up as the only one ready to run it. The 24-year-old from Denver crossed in 55:52, averaging 8:59 per mile to claim the NB20-29 title outright.

What makes Moreno's run more than a formality is what she did in the closing stretch. On the 4.62-mile-to-finish segment, she posted the 4th-fastest split among all women in the field — a genuine surge when it counted most. She held 4th place among women from that checkpoint all the way to the tape, meaning she wasn't just running out the clock; she was competing hard against the broader women's field right to the end.

A solo division doesn't diminish the effort. Moreno ran a real race on a real course, earned every second of that 55:52, and finished with one of the sharpest closing splits in the women's field. The NB20-29 title is hers, and she ran it the right way.

The course

Course map — The San Francisco Marathon
14 ft range ≈ 1 story (12 ft each)×167 ft-13 ft03.1 mi6.2 mi
6.2 miles · 199 ft elevation gain · 35 ft max elevation
The course · start finish · © Mapbox © OpenStreetMap
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