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Road · Half Marathon

Seattle Half Marathon

· starts 07:30
Seattle, WA

The race's site ↗

Seattle Half Marathon is a road race of 13.1 miles (21.1 km) in Seattle, Washington. The next edition is on Sunday, November 29, 2026, starting at 07:30. The race gives its climbing as 394 ft (120 m). Registration is open to all. The field is about 4,200 runners.

There are 34 other upcoming races up to a half marathon in Washington. Seattle Half Marathon climbs about 30 ft a mile (6 m per km), steeper than 65% of the 170 races up to a half marathon listed with their climbing.

13.1miDistance
394ftClimbing
4,200runnersField
47°Flow 40°FTypical race day

Questions about Seattle Half Marathon

When is Seattle Half Marathon 2026?

Seattle Half Marathon 2026 is on Sunday, November 29, 2026, starting at 07:30 local time.

Where is Seattle Half Marathon?

Seattle Half Marathon is held in Seattle, Washington.

How long is Seattle Half Marathon?

Seattle Half Marathon is 13.1 miles (21.1 km).

How much elevation gain does Seattle Half Marathon have?

Seattle Half Marathon has 394 ft (120 m) of elevation gain, as the race states it.

How do you get into Seattle Half Marathon?

Seattle Half Marathon has open registration.

What is the weather usually like at Seattle Half Marathon?

Around Seattle Half Marathon's date, the day's high is typically about 47°F (8°C) and the low about 40°F (4°C), averaged over recent years.

How hilly is Seattle Half Marathon?

Seattle Half Marathon climbs about 30 ft a mile (6 m per km), steeper than 65% of the 170 races up to a half marathon listed with their climbing.

What other races up to a half marathon are there in Washington?

Other upcoming races up to a half marathon in Washington include The Ruff (November 22, 2026), Holmes Chiropractic Care Gig Harbor Turkey Trot (November 26, 2026) and Magnuson Turkey Trot (Athlinks: 'Seattle Turkey Trot') (November 26, 2026).

Other races in Washington

Every race in Washington

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