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Winter Trail Series: Frost Eagle 5 mi | Half Marathon

January 15, 2022 @ 8:00 am - 12:45 pm PST

|Recurring Event (See all)

An event every year that begins at 8:00 am on day third of January, repeating until February 18, 2023

The Winter Trail Series celebrates Seattle and the Eastside’s local parks with trail runs that will keep your winter fitness warm. All events have a choice of at least two distances, with shorter course lengths ranging from 4-8 kilometers (2.5-5 miles), and longer course lengths ranging from 10-21 kilometers (6-13 miles). So rally your running pals and put these motivating events on your calendar!

While designed as a sanctuary for birds, deer, bobcats, and black bear, Soaring Eagle Regional Park seems to be a quiet sanctuary for humans as well. Six hundred acres of forest and wetlands interrupt miles of suburban homes on the edge of the flat Sammamish Plateau, and are host to 12 miles of trail that walkers, runners, mountain bikers, and equestrians enjoy.

The trails at Soaring Eagle are arranged like a spider’s web, with the wide Pipeline Trail cutting through the center and a network of interconnected trails radiating out from it. The surrounding trails were designed with little deference to the landscape, meaning that they twist, turn, swoop, and dive over all the little bumps in the park. With no major climb, you may find yourself hooting and hollering over these miniature roller coasters and begin thinking of the word “hill” in a whole new way. There is also a healthy population of rocks and roots on the trails, so there will be little time for zoning out as you dab through nature’s hopscotch.

Join us for a 5-mile or Half Marathon at Frost Eagle, the sixth event in the Winter Trail Series!

Course Descriptions
Courses feature rolling hills that are mostly short or moderate in grade, and none of the courses are very hilly by trail running standards. Much of the course is on “technical singletrack,” which means that the trail can be narrow, twisty, and filled with roots and bumps. A short section of the course is on the Pipeline Trail which is mostly groomed gravel, but can turn muddy in places.

PDF of the half marathon course map (run loop twice)

PDF of the 5-mile course map (run once)

Aid Station
Both courses form a figure 8, and the aid station will be located at the intersection of the ‘8.’ See the course maps above for clarification. Everyone will pass the aid station twice on each lap, so that half marathoners pass the aid station 4 times and 5-milers pass the aid station 2 times.

Aid stations offer water, electrolyte drink, and some carbohydrate-rich or salty foods, such as cookies, pieces of energy bar, gels, chews, chips, bagel, fruity candy, fig bars, peanut butter and jelly sandwiches, and/or bananas.

8:00am – Check-in and event-day registration opens
9:05am – Half Marathon pre-run briefing
9:15am – Half Marathon Start
9:50am – 5-mile pre-run briefing
10:00am – 5-mile Start
12:45pm – Course closes

Directions & Parking
The start and finish is at the main entrance of Soaring Eagle Regional Park, on the west side of the park, where there is a paved parking lot. No parking pass is required. There is also free street parking on the south side of E Main Dr. Please note that the north side of E Main Dr. is signed with No Parking signs. DO NOT PARK HERE! There is a local resident who makes a hobby of calling in vehicles that are parked on the north side of the street.

The small lot at the park will be reserved for carpools of 3 or more people. Due to the small size of the lot and the large number of runners, most people will need to park on the street, and the line of cars will stretch several hundred meters along the road from the start. Later arriving runners should allow time to walk or jog the distance from street parking to the start.


January 15, 2022
8:00 am - 12:45 pm
Event Category:

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Event details subject to change; check event websites for details.