runvibe
102 upcoming races

Half marathons across
Seattle.

Every upcoming half marathons in Seattle — dates, start lines and registration, with the crews to train with listed right beside them.

Browse by distance

This weekend

3 races

September

3 races

October

7 races

November

5 races

December

3 races

January 2027

1 race

February 2027

1 race

March 2027

3 races

May 2027

2 races

August 2027

1 race

Race listings sync daily from Active.com, Let's Do This, RunSignup and Race Roster, and are not individually verified the way RunVibe's club listings are.

Recently run

Sat, Mar 14Kirkland Shamrock RunPassedMon, May 257 Hills of Kirkland Charity Bicycle Ride2026PassedSun, Jun 14Seattle Animal Shelter Furry 5KPassedSat, Jun 27Seattle Marathon Summer VendorsPassed

Train with a crew

A start line is easier with people who run your pace all season. All 21 run clubs in Seattle

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