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
Race B
Race A

Chengdu Marathon

Best for

Strong PB attemptsNewer marathonersFlat-course PBs
Race B

Shanghai Marathon

Best for

Strong PB attemptsFlat-course PBs
Race A

Chengdu Marathon

Chengdu, China

Race B

Shanghai Marathon

Shanghai, China

Date
Expected March 2027
Nov 29, 2026
Month
Mar
Nov
Location
🇨🇳 Chengdu, China
🇨🇳 Shanghai, China
Terrain
Road
Road
Elevation gain
95 m
▲
40 m
PB potential
Beginner friendly
▲
World Major
No
No
Entry type
Lottery
Lottery
Entry status
Check official site
Lottery open
Season
Spring · Asia
Autumn · Asia
Race-day temp.
11–19°C
8–15°C
Conditions
Sichuan spring — mild and often overcast, good racing conditions
Shanghai late autumn — cool and usually clear
Humidity
65–75%
60–70%
Wind
5–15 km/h
10–20 km/h
Qualifies for
Boston Marathon
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Want to know how these scores are calculated? See methodology →