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
Köln Marathon
Best for
Strong PB attemptsNewer marathonersFlat-course PBs
Race B
TCS Amsterdam Marathon
Best for
Elite PB chasingNewer marathonersFlat-course PBs
Race A
Köln Marathon
Cologne, Germany
Race B
TCS Amsterdam Marathon
Amsterdam, Netherlands
Date
Expected October 2027
Oct 18, 2026
Month
Oct
Oct
Location
🇩🇪 Cologne, Germany
🇳🇱 Amsterdam, Netherlands
Terrain
Road
Road
Elevation gain
55 m
▲
45 m
PB potential
▲
Beginner friendly
World Major
No
No
Entry type
Open
Open
Entry status
Check official site
Open
Season
Autumn · Europe
Autumn · Europe
Race-day temp.
10–16°C
8–14°C
Conditions
Rhine valley autumn — cool and often clear
Cool and overcast — ideal marathon weather
Humidity
65–75%
70–80%
Wind
10–15 km/h
10–20 km/h, variable
Qualifies for
—
—
Want to know how these scores are calculated? See methodology →