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
TCS London Marathon
Best for
Strong PB attemptsNewer marathonersWorld Major bucket-list
Race B
Tokyo Marathon
Best for
Strong PB attemptsWorld Major bucket-list
Race A
TCS London Marathon
London, United Kingdom
Race B
Tokyo Marathon
Tokyo, Japan
Date
Expected April 2027
Expected March 2027
Month
Apr
Mar
Location
🇬🇧 London, United Kingdom
🇯🇵 Tokyo, Japan
Terrain
Road
Road
Elevation gain
▲
84 m
112 m
PB potential
Beginner friendly
▲
World Major
✓ Yes
✓ Yes
Entry type
Lottery
Lottery
Entry status
Ballot live
Lottery open
Season
Spring · Europe
Spring · Asia
Race-day temp.
9–15°C
7–14°C
Conditions
Cool and overcast, occasional light rain
Cool and partly cloudy
Humidity
60–70%
55–65%
Wind
10–20 km/h SW
10–15 km/h NW
Qualifies for
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Want to know how these scores are calculated? See methodology →