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
Harmonie Mutuelle Paris Marathon
Best for
Newer marathoners
Race A
TCS London Marathon
London, United Kingdom
Race B
Harmonie Mutuelle Paris Marathon
Paris, France
Date
Expected April 2027
Expected April 2027
Month
Apr
Apr
Location
🇬🇧 London, United Kingdom
🇫🇷 Paris, France
Terrain
Road
Road
Elevation gain
▲
84 m
170 m
PB potential
▲
Beginner friendly
World Major
✓ Yes
No
Entry type
Lottery
Open
Entry status
Check official site
Check official site
Season
Spring · Europe
Spring · Europe
Race-day temp.
9–15°C
8–16°C
Conditions
Cool and overcast, occasional light rain
Mild and partly cloudy, occasional April showers
Humidity
60–70%
60–75%
Wind
10–20 km/h SW
10–20 km/h SW
Qualifies for
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