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Lake Union 10K

August 9 @ 6:00 am - 8:30 am PDT

|Recurring Event (See all)

An event every year that begins at 6:00 am on day second of August, repeating until August 14, 2022

Join Portage Bay for the 10th Anniversary Lake Union 10K run or walk along the Cheshiahud Lake Union Loop Trail.
Race starts and finishes in Lake Union Park, with course running clockwise around the lake.

Portage Bay Post-Race Breakfast
Great Seattle and Lake Union Views
Fully Supported 10K Course
Medals for All Finishers
Raffle and Awards

The Lake Union 10K is a 6.21-mile, timed race along the Cheshiahud Lake Union Loop Trail. It crosses over bridges and touches the communities of Queen Anne, Fremont, Wallingford, Eastlake, and South Lake Union. Our event starts and finishes at Lake Union Park.

Post-Race Expo details: The Expo is located near the race finish line in Lake Union Park. 1700 participants along with plenty of race volunteers, family and friends will enjoy a Portage Bay Café breakfast, our 10K awards ceremony, and post-race vendor booths.

The six-mile trail around Lake Union is named “Cheshiahud Lake Union Loop” in honor of a late 1800s Duwamish chief. His name, Cheshiahud, is pronounced [CHES-ee-uh-hood]. Read more about this important Seattle figure here.

Race Day Schedule
6:00am – Registration and packet pickup opens
7:00am – Westlake Ave N closes to vehicles
7:25am – Start line raffle prizes
7:30am – 10K run and walk starts
8:00am – Portage Bay Cafe breakfast opens!
8:30am – Awards

Distance: 6.21miles/10K

Start Time Runners and Walkers: 7:30 am (Start line is at Westlake Ave. N.). The two Northbound lanes will be closed until all runners and walkers reach the Fremont Bridge and proceed onto the sidewalk. Racers will be started according to their pace per mile.

Strollers are allowed, but must start last, at the back of the pack.

Sorry, no dogs. Unfortunately our insurance no longer allows dogs to participate in the Lake Union 10K.


August 9
6:00 am - 8:30 am
Event Categories:
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Run for Good


Lake Union Park
860 Terry Ave N
Seattle, WA 98109 United States
+ Google Map

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Event details subject to change; check event websites for details.