Frost Eagle Trail Run

Frost Eagle Trail Run : event overview

The Frost Eagle Trail Run is scheduled for January 17 at Soaring Eagle Regional Park in Sammamish, WA. Distances offered:

• 5-mile
• Half Marathon

The event is the sixth race in the 2025-26 Winter Trail Series. The half marathon uses a loop course run twice; the 5-mile course is one loop. The primary aid station is at the intersection of the figure-8 course so that each lap passes the aid station twice. Half marathoners pass the main aid station four times; 5-mile runners pass it twice. A second aid station for half marathoners is located adjacent to the start/finish. Aid stations provide water, Skratch Labs electrolyte drink, and a selection of carbohydrate-rich or salty foods such as cookies, energy bar pieces, gels, chews, chips, bagel, fruity candy, fig bars, peanut butter and jelly sandwiches, and bananas.

Course and logistics

Soaring Eagle Regional Park covers about 600 acres of forest and wetlands and contains roughly 12 miles of trail. Trails are arranged like a spider’s web with a wide Pipeline Trail through the center and a network of interconnected, narrow singletrack trails. The course features rolling hills that are mostly short or moderate in grade, technical singletrack with roots and rocks, and a short section on the mostly groomed Pipeline Trail that can be muddy. The start and finish are at the park main entrance on the west side, with a paved parking lot (no parking pass required). Free street parking is available on the south side of E Main Dr; parking on the north side is signed No Parking. Most participants will likely need to park on the street and walk or jog several hundred meters to the start. Registration fees vary by entry period: 5-mile $39–$55; Half Marathon $53–$70. Visit the organization's website for the most recent information.