Lake Sammamish Classic 13.1
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Event
The Lake Sammamish Classic 13.1 is scheduled for December 27, 2025 in Issaquah, Washington. The race location is Issaquah Courthouse, 5415 220th Avenue SE, Issaquah, WA 98029. The event is a half marathon of 13.1 miles run as an out-and-back on the Lake Sammamish Trail.
Course and services
The course follows the Sammamish Lake Trail for the first 6.5 miles toward Marymoor Park in Redmond and then returns to the start. The trail is fully paved. Water stops, first aid, and gel stations are provided approximately every 3 miles. Parking is available at the Issaquah Courthouse. Race apparel and finish awards include event T-shirts and a medallion for all finishers. Typical historical race-day temperatures are reported as 40-50 F with a past chance of rain. Registration options listed include Individual Age group/open and Mile Marker Sponsor, each priced at $55 (USD). Visit the organization's website for the most recent information.
