Races›United States›Washington›Whitehorse Half Marathon
Arlington, WA, seen from above
March 2027 · date to be announced

Whitehorse Half Marathon

Arlington, Washington · United States
RoadCountryside100% trail

Out-and-back on the Whitehorse Trail, Stillaguamish Valley

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Course

A 13.1-mile out-and-back along the Whitehorse Trail, starting and finishing at the trailhead at 21021 State Route 530 NE, Arlington. The organiser does not state surface composition or aid station placement.

Half Marathon21.1 km

Key dates

Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.

About

The Whitehorse Oso Strong Half Marathon is a 13.1-mile out-and-back on the Whitehorse Trail through the Stillaguamish Valley, starting and finishing at the Miller Shingle Trailhead near Arlington, Washington.

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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.