- Weather
- 35°Ftypical start
- Field size
- ~500 runners
- Course
- Hilly
- Elevation
- 1,100 ft gain
Deception Pass bridge and Puget Sound
PR4.6Weather8.1Experience6.9
All marathons
Late November · West Coast · Loop
Seattle Marathon
Seattle, WA
Pacific Northwest staple; chilly weather
Opens the race organizer's website
- Typical start temp
- 34°F(estimated)
- Field size
- ~2,000-3,000 runners(estimated)
- Course
- Hilly
- Elevation
- 900 ft gain(estimated)
Why runners choose this race
A loop course around Seattle, WA, with real climbing that will cost you time if you race it hard early.
Good fit if
- Not enough verified data yet.
Think twice if
- · You are chasing a flat-course PR
Course and logistics
- Course type
- Loop
- Surface
- Road
- Total gain
- 900 ft(estimated)
- Field size
- ~2,000-3,000 runners(estimated)
- Crowd support
- Pockets of spectators
- Entry
- Data coming soon
- Start / finish
- Start and finish in the same area
Race details
- Typical timing
- Late November
- Region
- West Coast
- Editorial tier
- Featured
- Data last reviewed
- 2026-08-26
Pacific Northwest staple; chilly weather
Good to know
- Loop course
- Hilly course
- Destination race
Race-day weather
Modelled from location, month and coastal proximity — not verified race history.
ExcellentGoodWarmHeat risk
Typical start sits at 34°F — good conditions.
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- Weather
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- Field size
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- Course
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- Elevation
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- Weather
- 39°Ftypical start
- Field size
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- Course
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- Elevation
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