Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad RunningWorld Marathon Majors Qualifier
Seattle Marathon
Seattle, United States
November 29, 2026Date confirmed
42.2 km21.1 km
City RunSeaside & Coast+2
USRoad Running · Half Marathons (21.1 km) · Washington · 8 Events · 21 Races
Half Marathons (21.1 km) in Washington
8 verified events with 21 individual races (1 confirmed dates) in Washington complete with route maps and elevation profiles.
Events81 confirmed dates
Competitions21Races & courses
Distances5 - 42.2 kmCourse distance range
Max. Elevation Gain+190 m D+Course elevation profile
Selected Events
Featured Events & Highlights
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia Commons
Photo: NPS · Public Domain · Wikimedia CommonsRoad Running
Seattle Summer Marathon
Seattle, United States
Date to be announcedDate TBA
42.2 km21.1 km10 km5 km
City RunPoint-to-Point
Photo: NPS · Public Domain · Wikimedia CommonsRoad RunningThe Best Races
Course de la Liberté du 4 Juillet - Seattle
Seattle, United States
Date to be announcedDate TBA
21.1 km10 km5 km
City RunFestive+1
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad RunningThe Best Races
Labor Day Run - Seattle
Seattle, United States
Date to be announcedDate TBA
21.1 km10 km5 km
City RunFestive+2
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad RunningThe Best Races
National chocolate day run-Seattle
Seattle, United States
Date to be announcedDate TBA
21.1 km10 km5 km
City RunPublic Park+1
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad RunningThe Best Races
National Singles day run-Seattle
Seattle, United States
Date to be announcedDate TBA
21.1 km10 km5 km
City RunPublic Park
Photo: Parkywiki · CC BY-SA 4.0 · Wikimedia CommonsRoad Running
Mcrrc Riley's Rumble Half Marathon & 8K
Boyds, United States
Date to be announcedDate TBA
21.1 km8 km
City RunFestive
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad Running
Iron Horse
North Bend, United States
Date to be announcedDate TBA
21.1 km
Nature & Off-RoadPublic Park+1
Dates & Schedule
Race Calendar
November 2026
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Nov 29, 2026 | Seattle Marathon | Seattle, Washington, US | Road Running | 42.2 km21.1 km |
Date to be announced
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Date to be announced | Seattle Summer Marathon | Seattle, Washington, US | Road Running | 42.2 km21.1 km10 km5 km |
| Date to be announced | Course de la Liberté du 4 Juillet - Seattle | Seattle, Washington, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | Labor Day Run - Seattle | Seattle, Washington, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | National chocolate day run-Seattle | Seattle, Washington, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | National Singles day run-Seattle | Seattle, Washington, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | Mcrrc Riley's Rumble Half Marathon & 8K | Boyds, Maryland, US | Road Running | 21.1 km8 km |
| Date to be announced | Iron Horse | North Bend, Washington, US | Road Running | 21.1 km |
Events by Month
Overview & Route Character
Covering 21.0975 kilometers, the half marathon blends endurance and speed across fast city boulevards and scenic road courses. Measured asphalt and city courses ranging from fast 5K and 10K races to international half marathons, marathons, and 100K road ultras. In this Half Marathons (21.1 km) in Washington directory, RunningCompass curates 8 events comprising 21 individual races, including 1 events with confirmed upcoming dates.
Courses span distances ranging from 5 km to 42.2 km and elevation gains up to +190 m. Key host locations include Seattle, Boyds, North Bend. Notable events in this selection include Seattle Marathon, Seattle Summer Marathon, Course de la Liberté du 4 Juillet - Seattle.
Questions & Answers
Frequently asked questions (FAQ)
How many events and races are listed under Half Marathons (21.1 km) in Washington?
This overview currently includes 8 verified events featuring 21 individual races. Of these, 1 events have confirmed upcoming dates on the calendar, while 7 events await next edition date confirmation from the organizer.
What race distances and elevation profiles are included in Half Marathons (21.1 km) in Washington?
Races in this selection span distances of 5 km to 42.2 km. The most demanding courses reach up to +190 m of positive elevation gain. Featured disciplines include Road Running.
Which host cities and flagship events stand out in Half Marathons (21.1 km) in Washington?
Top host locations include Seattle, Boyds, North Bend. Representative events in the catalog include Seattle Marathon, Seattle Summer Marathon, Course de la Liberté du 4 Juillet - Seattle, Labor Day Run - Seattle. Covering 21.0975 kilometers, the half marathon blends endurance and speed across fast city boulevards and scenic road courses.
How can I inspect route maps, elevation charts, and date filters for Half Marathons (21.1 km) in Washington?
Every event profile provides an interactive route map, a detailed elevation chart across all 21 races, and a GPX track download. You can also switch directly to the interactive map explorer to filter by date range and distance.