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
Tokyo Marathon
Best for
Strong PB attemptsWorld Major bucket-list
Race A
Dong-A Seoul Marathon
Seoul, South Korea
Race B
Tokyo Marathon
Tokyo, Japan
Date
Expected March 2027
Expected March 2027
Month
Mar
Mar
Location
🇰🇷 Seoul, South Korea
🇯🇵 Tokyo, Japan
Terrain
Road
Road
Elevation gain
145 m
▲
112 m
PB potential
Beginner friendly
World Major
No
✓ Yes
Entry type
Open
Lottery
Entry status
Check official site
Check official site
Season
Spring · Asia
Spring · Asia
Race-day temp.
5–12°C
7–14°C
Conditions
Cool and often clear — ideal spring running
Cool and partly cloudy
Humidity
50–65%
55–65%
Wind
10–20 km/h NW
10–15 km/h NW
Qualifies for
—
—
Want to know how these scores are calculated? See methodology →