Races›United States›Washington›The 12th Annual Cottontail 6- & 12-Hour
Seattle, WA, seen from above
April 2027 · date to be announced

The 12th Annual Cottontail 6- & 12-Hour

Seattle, Washington · United States
Ultra
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Course

Timed looped event at Carkeek Park, Seattle, on a 1.93-mile loop with about 436 feet of climb per lap; runners complete as many loops as they choose within their window. Terrain is rolling trail with steep stair sections and views over the sound. The 12-hour runs 7:00-19:00 and the 6-hour 9:00-15:00. A virtual option is offered.

12-hour race42.2 km
6-hour race21.1 km

Key dates

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

About

A brutally beautiful run through one of the best parks in Washington State or your home trails, for as many hours as you see fit!

Your next race, seen from above.
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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.