Brooks Lake Sammamish Half Marathon presented by REI October 25, 2026 By Sean Brooks Lake Sammamish Half Marathon presented by REI Website Current Events Upcoming Events Past Events 06 Mar 06 Mar - 07 Mar Brooks Lake Sammamish Half Marathon presented by REI 03-06-27 @ 07:30 AM - 03-07-27 @ 12:00 PM 15670 NE 85th St, Redmond, WA 98052, Redmond, WA 98052, US Trail Paid There are currently no events. There are currently no events.