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
Dong-A Seoul Marathon
Best for
Strong PB attempts
Race B
Osaka Marathon
Best for
Strong PB attemptsFlat-course PBs
Race A
Dong-A Seoul Marathon
Seoul, South Korea
Race B
Osaka Marathon
Osaka, Japan
Date
Expected March 2027
Expected February 2027
Month
Mar
Feb
Location
🇰🇷 Seoul, South Korea
🇯🇵 Osaka, Japan
Terrain
Road
Road
Elevation gain
145 m
▲
90 m
PB potential
Beginner friendly
World Major
No
No
Entry type
Open
Lottery
Entry status
Check official site
Check official site
Season
Spring · Asia
Winter · Asia
Race-day temp.
5–12°C
7–14°C
Conditions
Cool and often clear — ideal spring running
Cool and partly cloudy — typical Japanese winter
Humidity
50–65%
55–65%
Wind
10–20 km/h NW
10–20 km/h W
Qualifies for
—
—
Want to know how these scores are calculated? See methodology →