M1-17 · HALF MARATHON

Boys U-17: Jack Moore Owns the Napa Valley Half

M1-17WomenMen
By MyRace AIMarch 2, 2025Official site ↗
  • Jack Moore, 17, wins in 1:19:37 — a 6:04/mi clip that put 3 minutes and 18 seconds between him and the rest of the under-17 field.
  • Giancarlo Cortes (2nd, 1:22:55) and Thomas Duffy (3rd, 1:23:26) battled to a tight podium finish — just 31 seconds separating them — but it was Cortes who faded on the back half while Duffy closed the gap with the 73rd-fastest men's split on the 6.9M-to-Finish leg.
  • Diego Sanchez was the field's biggest mover, climbing from 164th among men at the first checkpoint to 123rd by the finish — a relentless back-half charge that secured 5th in 1:30:26.
  • A. Yang, 12, and Aiden Holeman, 15, rounded out the field in 10th (2:28:50) and 11th (2:56:51), the youngest and most determined finishers of the day.

Under cool, breezy 47°F conditions along the Napa Valley course, Jack Moore ran a race that was never really in doubt. The 17-year-old from Napa opened with a gender place of 35th through the first checkpoint, briefly climbed to 34th at the midpoint, and then — as the race wore on — let the men's field wash past him while he held his 6:04/mi pace to the tape. That gap of 3:18 over second place tells the story cleanly: Moore was in a different gear.

Behind him, the battle for the podium was genuinely compelling. Giancarlo Cortes of Fairfield came through the middle stretch with the 72nd-fastest men's split on the 3.1M-to-6.9M leg, building a cushion over Thomas Duffy. But Duffy, also 17, answered on the final leg with the 73rd-fastest men's split — nearly matching Cortes stride for stride — and the gap between them at the line was just 31 seconds (1:22:55 to 1:23:26). Victor Hoskins took 4th in 1:27:46, another 4:20 back.

The lower half of the 11-man field had its own stories worth noting. S. Dooley, just 13 years old out of Visalia, crossed in 6th at 1:38:16 — a 7:30/mi effort that put real daylight between him and the 14-year-old Stuart Falace (7th, 1:51:58). And A. Yang, 12, from Sunnyvale covered the Napa Valley half in 2:28:50 — a genuine feat for someone that young on a 13.1-mile course in March wind.

The course

Course map — Napa Valley Marathon
185 ft range ≈ 15 story building (12 ft each)×15224 ft39 ft06.6 mi13 mi
13.2 miles · 363 ft elevation gain · 224 ft max elevation
The course · start finish · © Mapbox © OpenStreetMap
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