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Compare marathons
Side-by-side comparison of elevation, PB potential, beginner friendliness, terrain, weather, and entry details. Pick two races and see how they stack up.
Race A
vs
Race B
Race A
Seattle Marathon
Best for
Newer marathonersQualifying pathway
Race B
Grandma's Marathon
Best for
Well-rounded marathon experience
Race A
Seattle Marathon
Seattle, USA
Race B
Grandma's Marathon
Duluth, USA
Date
Nov 29, 2026
Expected June 2027
Month
Nov
Jun
Location
🇺🇸 Seattle, USA
🇺🇸 Duluth, USA
Terrain
Road
Road
Elevation gain
215 m
▲
165 m
PB potential
Beginner friendly
▲
World Major
No
No
Entry type
Open
Open
Entry status
Open
Check official site
Season
Autumn · Americas
Summer · Americas
Race-day temp.
5–12°C
10–22°C
Conditions
Pacific Northwest autumn — cool, overcast, possible drizzle
Variable — can be ideal or uncomfortably warm
Humidity
72–85%
60–75%
Wind
10–20 km/h westerly
10–25 km/h off the lake
Qualifies for
Boston Marathon
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Want to know how these scores are calculated? See methodology →