About This Race

The Brooks Lake Sammamish Half Marathon presented by REI takes runners along the interurban trail connecting Marymoor Park in Redmond to Lake Sammamish State Park in Issaquah. The flat, USATF-certified point-to-point course is popular for personal bests, with a generous 4.5 hour time limit. The race benefits the REI Cooperative Action Fund and offers free shuttles, pacers, and a virtual option.

Course & Race Day Details

USATF Certified Course
Flat course
Elevation
Flat Course
T-Shirt
Race Swag
Saturday Half Marathon, Virtual Half Marathon, Sunday Half Marathon: T-Shirt

Hydration Support

Aid stations located every 2-3 miles, stocked with water, GU gels, and Tailwind Endurance Fuel.

Awards

Overall awards to the top 3 men, women, and non-binary runners based on gun time, plus age group awards in 5 year increments.

Charity Beneficiary

REI Cooperative Action Fund

Race Weekend Logistics

Packet Pickup

Pick up your race bib mailed for $4.50, on race morning, or at pre-race packet pickup Thursday March 5, 11:00am-7:00pm at REI Bellevue, 410 116th Ave NE, Bellevue 98004.

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Choose Your Distance

Saturday Half Marathon Half Marathon
$80.00
Increases Nov 01
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Virtual Half Marathon Half Marathon
$55.00
Increases Feb 20
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Sunday Half Marathon Half Marathon
$80.00
Increases Nov 01
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