Use this calendar for planning purposes only.
Event details subject to change!
To confirm event status (sold out, cancellations, schedule changes, COVID restrictions, etc.), visit the event website link below.
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 […]
Want to keep motivated all winter long? Run 4 or 8 miles at Northwest Trail Runs' Winter Trail Series' Absolution Run!
Bridle Trails Winter Running Festival
Join Northwest Trail Runs for a 5-mile or Half Marathon on the trails at Soaring Eagle Regional Park.
Join Northwest Trail Runs for a 5-k or 10-k trail run at the Interlaken Icicle Dash!
Join Northwest Trail Runs for a beautiful half marathon or marathon Trail Run! The mostly rolling route winds through forested, flowing trails.
Join Northwest Trail Runs for a beautiful 5k or 10k Trail Run! The mostly rolling route winds through forested, flowing trails.
Kennedy Creek Chum Run
Spring Run for Fun @ Redmond Watershed 5 mi | 10 mi | Half Marathon | Marathon
Run 5k, 7 Mi, Half Marathon, or 50k at Manastash Ridge through a mix of open land with grass and sagebrush, and stands of pine forest.