Seattle Spring Marathon
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Seattle Waterfront Marathon
The Seattle Waterfront Marathon takes place in Seattle on May 24, 2026, with a start area at Genesee Park. The course follows Lake Washington Boulevard and includes a loop around Seward Park, offering a waterfront route with historic views of Mount Rainer. The route is described as flat and looped, with extended shoreline running on the back half through Seward Park.
The event offers multiple race distances:
- 26.2 Full Marathon
- 13.1 Half Marathon
- 5K
- 1 Mile Kids Race
Race weekend materials note course maps and a published 2026 course map PDF. Participants are provided with schedule and packet pickup information, and lodging options are referenced for the area. The event lists volunteers and sponsors as part of race operations, and includes programs such as an Impact Bib giving-back initiative. The Seattle Waterfront Marathon is produced by Running Races Inc., a US-registered organization.
Practical details such as parking, aid stations, and live tracking are referenced in participant resources and the course materials. The description focuses on the waterfront route and the looped, flat nature of the course around Lake Washington and Seward Park. Visit the organization's website for the most recent information.
