Spring Run for Fun @ Bridle Trails

MAR
20
2027
Trail races at Bridle Trails State Park in Kirkland, WA offering 5k, 10k, Half Marathon and Marathon on forest trails with multiple aid stations.
Sat 20 Mar 2027
Marathon Half Marathon 11 kilometers 5 kilometers

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Spring Run for Fun @ Bridle Trails

Spring Run for Fun is a trail running event held at Bridle Trails State Park in Kirkland, WA. The park is about one square mile of upland forest with wetlands, dozens of miles of trails, and four horse arenas. The event uses mostly medium-width or wide, smooth trails with low to moderate climb; a few steeper slopes and several narrower, rock- and root-strewn sections are on the routes.

Distances offered:

  • 5k
  • 10k (10.55 km / 6.55 miles)
  • Half Marathon (two laps of the 6.55-mile loop)
  • Marathon (four laps of the 6.55-mile loop)

The 6.55-mile loop used for the longer distances climbs steadily for about the first mile, is generally flat to gently rolling through the midsection, then descends for roughly the final 3/4 mile. Aid stations are located adjacent to the start/finish and approximately midway through the loop. On-course aid availability by distance: Marathon runners encounter seven aid station stops, Half Marathon runners three, 10k runners one, and 5k runners do not pass an aid station on course. Food, water, and electrolyte drink are available at the finish for all participants.

Parking inside the park requires a Discover Pass; a single-day pass and a 12-month pass are available. Youth runners in elementary, middle, or high school receive a $10 registration discount that is applied based on date of birth. Visit the organization's website for the most recent information.

Marathon
Marathon
Half Marathon
Half Marathon
11 km
10k
5 km
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