2026 Brooks Lake Sammamish Half Marathon
The 2026 Brooks Lake Sammamish Half Marathon will take place on March 7, 2026, starting at City of Redmond – City Hall, 15670 NE 85th St, Redmond, WA 98052, and finishing at Lake Sammamish State Park – Soccer Fields, 1464 NW Sammamish Road, Issaquah, WA 98027. The event is set on a flat, point-to-point course along the smooth, paved Interurban Trail, connecting Marymoor Park in Redmond to Lake Sammamish State Park in Issaquah. The course is USATF certified, making it ideal for personal bests. The event is expected to have partly cloudy conditions with a high of 45°F and a low of 32°F, with light winds and no precipitation. Runners and walkers can expect a well-marked, accessible course with aid stations every 2-3 miles, a 4.5-hour time limit, and a wave start with four waves approximately 90 seconds apart. The course map is available at Interurban Trail Course Map ↗.
What distances are available for this event?
- →Half Marathon
What is the event course like?
- →The course is a flat, point-to-point route along the smooth, paved Interurban Trail
- →The course connects Marymoor Park in Redmond to Lake Sammamish State Park in Issaquah
- →It is USATF certified with certification number WA25004RMB
What is the time limit for the event?
- →The event has a generous 4.5-hour time limit
Are there pacers available for the event?
- →Yes, pacers are provided by the Seattle Green Lake Running Group for finish times of 1:20, 1:30, 1:40, 1:50, 2:00, 2:15, and 2:30
What awards are offered for the event?
- →Top 3 men, women, and non-binary runners (by gun time)
- →Age group awards in 5-year increments (must be picked up at the race)
What is included in the registration?
- →A Brooks Podium tech shirt for all participants (2025 design TBA)
- →A race bib
- →Access to the event
- →A medal for finishers
Are there any special event amenities?
- →Free heated shuttles from the finish to the start (depart when full or every 15 minutes)
- →A pre-race shuttle from Issaquah to Redmond at 6:15am/6:30am (limited to 500, pre-registration required)
- →Free gear check with participants required to bring their own identifiable bag
- →A cupless policy: no disposable cups; participants must bring a handheld bottle, hydration pack, or use the reusable foldable cup
What are the packet pickup options?
- →Mail delivery ($4.50)
- →Race morning at Redmond City Hall
- →Pre-race pickup at REI Bellevue on Thursday, March 5th, from 11am to 7pm
What is the registration cost for the event?
- →Tiered pricing: $78 in October to $115 on race day
- →Non-refundable but deferrable/transferable
- →15% discount for participants aged ≤22 or ≥65 via form
Is there a virtual option available?
- →Yes, a virtual option is available for $52, limited to 50 participants
- →Includes a shirt, medal, and bib mailed post-race
- →Counts toward the R-Pod medal
What is the event's charity partner?
- →The event partners with the REI Cooperative Action Fund, supporting outdoor access and inclusion
What is the land acknowledgment for the event?
- →The event takes place on the Indigenous Land of Coast Salish peoples, specifically the Snoqualmie Indian Tribe (sdukʷalbixʷ), who have reserved treaty rights and have cared for this land since time immemorial
What are the spectator viewpoints?
- →Marymoor Park (miles 1.5-3)
- →Sammamish Landing Park (mile 4)
- →Inglewood Parking (mile 6.1)
- →Lake Sammamish Boat Ramp (mile 11.2; Discover Pass required)