How many marathons in Washington are there between 2026 and 2027?

There are 5 upcoming marathons in Washington listed on 42Cal, from November 2026 through July 2027. The count updates automatically as races are added.

When is the best time for marathons in Washington?

Most of the 9 races on this list (5 of them) fall in April and May and October.

Which race in this list has the least elevation gain?

Light at the End of the Tunnel Marathon in Snoqualmie Pass is the flattest race on this list, with about 150 ft of total elevation gain — based on the 9 of 9 races here with elevation data on file.

How current is this list?

This list was last refreshed on October 13, 2026. Race dates, locations, and course details are updated continuously as organizers confirm changes, so this page reflects the calendar as of that date.

All Collections

Race Collection

Marathons in Washington 2026–2027

There are 5 upcoming marathons in Washington on the 42Cal calendar, from November 2026 through July 2027.

Upcoming races

November 2026 – July 2027

Date range

Countries

400 ft

Median elevation

Race data last updated October 13, 2026.

Upcoming Marathons in Washington 2026–2027

5 races

Nov 29, 2026
Registration Open
UW Medicine Seattle Marathon and Half Marathon
Seattle, WA, United States
Marathon
Also: Half Marathon
See full guide
Apr 3, 2027
Opening Soon
Yakima River Canyon Marathon
Ellensburg to Selah, WA, United States
Marathon
Also: Marathon, Marathon
See full guide
Apr 17, 2027
Registration Open
Wenatchee Marathon
Wenatchee, Washington, United States
Marathon
Also: Half Marathon, 10K, 5K
See full guide
May 2, 2027
Registration Open
Tacoma City Marathon
Gig Harbor to Tacoma, Washington, United States
Marathon
Also: Half Marathon, Marathon, 10K, 5K, Marathon, Half Marathon
See full guide
Jul 24, 2027
Registration Open
Jack & Jill Marathon
Snoqualmie Pass, WA, United States
Marathon
Also: Half Marathon
See full guide

Recently Run

4 races

Compare These Races

Race	Date	Location	Distance	Elevation	Status
UW Medicine Seattle Marathon and Half Marathon	November 2026	Seattle, United States	Marathon	300 m	Registration Open
Yakima River Canyon Marathon	April 2027	Ellensburg to Selah, United States	Marathon	615 ft	Opening Soon
Wenatchee Marathon	April 2027	Wenatchee, United States	Marathon	60 m	Registration Open
Tacoma City Marathon	May 2027	Gig Harbor to Tacoma, United States	Marathon	263 m	Registration Open
Jack & Jill Marathon	July 2027	Snoqualmie Pass, United States	Marathon	250 ft	Registration Open
Snohomish River Run	October 2026	Snohomish, United States	Marathon	60 m	completed
Spokane Marathon	October 2026	Spokane, United States	Marathon	150 m	completed
Bellingham Bay Marathon	September 2026	Bellingham, United States	Marathon	400 ft	completed
Light at the End of the Tunnel Marathon	June 2026	Snoqualmie Pass, United States	Marathon	150 ft	completed