Osprey Ambler

OCT
17
2026
Experience a flat loop course through Osprey Park in Sultan with options for a marathon or timed runs of three and six hours along the Sultan River.
Sat 17 Oct 2026
Marathon 3 Hours 6 Hours

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Event Overview

The Osprey Ambler is a running event held in Osprey Park, located in Sultan, Washington. Organized by the Sky Valley Trail Runners Association, the event takes place on a course consisting of smooth, dirt single track trails. The layout features minimal elevation change and utilizes a loop approximately 1.06 miles in length.

Course Details

The route begins at a shelter and passes the corner of the local play fields before entering the wooded areas of the park. The trails follow the north and west sides of the park along the banks of the Sultan River, where salmon may be visible during their spawning season. The path concludes by returning through the woods to reach the aid station and finish area at the shelter. The course remains subject to modification based on local conditions.

Participation Options

Participants can choose between timed formats or a specific distance goal:

  • 6 Hours: Run as many laps as possible within the six hour limit.
  • Marathon: Complete the specific number of laps required to total a marathon distance.
  • 3 Hours: Run as many laps as possible within the three hour limit.

Purpose and Organization

The Sky Valley Trail Runners Association, a 501(c)(3) nonprofit, manages the event. All proceeds from the race are dedicated to the maintenance and improvement of trail networks within the Skykomish River Valley, or are donated to Snohomish County Volunteer Search and Rescue, Inc. Visit the organization's website for the most recent information.

Marathon
Marathon
3 Hours
6 Hours

Events nearby

A two-day Spartan obstacle race in Monroe, Washington featuring Sprint, Super, Beast, kids races, a 4 hour heat, and spectator options.
A community celebration at Osprey Park with a scenic 5K trail run and a 1 mile Fin Walk along the Sultan River, highlighting Skykomish River Valley heritage.
A Last Person Standing hill loop in Lord Hill Regional Park with a 0.8 mile loop, shrinking lap times, medieval theme, custom banners and prizes for the final finisher.
Soaring Eagle Park Turkey Trot in Sammamish features USATF sanctioned timed road and trail races from a 2k kids run to 10 mile with finisher shirts and medallions.
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