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WHAT:              UW Medicine Seattle Marathon 2023

WHERE:            Various Seattle Neighborhoods

DATE(s):           Sunday, November 26, 2023

TIME(s):            7:00am-2:00pm

WHO:               Seattle Marathon Association


CONTACT:         Louise Long, 206-729-3660 (pre-event),


On Sunday, November 26, 2023, The Seattle Marathon Association, will be putting on 54th UW Medicine Seattle Marathon and Half Marathon that will run through the following neighborhoods:


University District

Capitol Hill



Portage Bay

Green Lake


South Lake Union


These neighborhoods each offer a sampling of Seattle’s iconic scenery, architecture, waterways, commerce and culture. We are honored to be guests in your neighborhood and it’s important to us that we are communicating clearly with you, the neighbors.



  • Event hours: 7:00am-2:00pm on Sunday, November 26, 2023.

  • Set-up begins: around 4am on Sunday, November 26, 2023 at 5th and Harrison, Seattle Center.

  • Clean-up completed by 5pm on Sunday, November 26, 2023 Seattle Center

  • We will leave your neighborhood as we found it: litter and recycling will be handled by our crew. All race-related litter will be removed by 5pm on event day.

  • We expect ~7,500 participants and spectators to be spread across the course during the event.

  • Select streets will have parking restrictions, limited access or restricted lanes between 6:00am and 2:00pm on Sunday, November 26, 2023.

  • Traffic officers will be stationed at intersections allowing traffic to pass through during gaps in runners so that street access will be available on a continuous, if delayed, basis.

  • Event maps can be found at

  • Complete traffic info will be available soon.


We are working closely with the City of Seattle Special Events Committee to minimize the impacts of the event.  Our goal is to create an enjoyable and positive experience in your neighborhood. 


If you or any of the surrounding residents and businesses have questions or comments about impacts of this event, please contact us at:                                                                       

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