Free tool
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
San Francisco Marathon
Best for
Well-rounded marathon experience
Race B
Big Sur International Marathon
Best for
Well-rounded marathon experience
Race A
San Francisco Marathon
San Francisco, USA
Race B
Big Sur International Marathon
Big Sur, USA
Date
Expected July 2027
Expected April 2027
Month
Jul
Apr
Location
🇺🇸 San Francisco, USA
🇺🇸 Big Sur, USA
Terrain
Road
Road
Elevation gain
▲
590 m
2100 m
PB potential
Beginner friendly
▲
World Major
No
No
Entry type
Open
Open
Entry status
Check official site
Check official site
Season
Summer · Americas
Spring · Americas
Race-day temp.
11–17°C
10–18°C
Conditions
Fog in the morning over the bridge, clearing by mid-race
Coastal fog often at the start, clearing mid-morning
Humidity
75–85%
65–80%
Wind
15–30 km/h — can be fierce on the bridge
15–35 km/h — can be brutal on the exposed cliffs
Qualifies for
—
—
Want to know how these scores are calculated? See methodology →