Cologne Marathon

This edition is listed as Marathon in Cologne, Germany.

Typical race-morning air at Cologne Marathon averages 14°C across the last 10 years (about 9°C to 19°C in that window). The morning can still warm as you run. The stickiest morning in that set was 2019, WBGT around 17°C. 2025 was the windiest, around 23 km/h. Use that range for planning, not as a promise for race day.

2019 (13 Oct 2019) was the hottest Cologne Marathon morning in that set, WBGT around 17°C. Treat that year as the spike, not as the usual morning.

2025 (5 Oct 2025) was the windiest Cologne Marathon morning in that set, around 23 km/h. Wind still changes what the same pace costs. Treat that year as the spike, not as the usual morning.

Inside about 14 days, use the live forecast on this page. The current outlook is about 14°C to 17°C, around 6 km/h wind and 77% humidity. Forecasts move. Further out, use race morning history, not a locked plan.

Heat, humidity, wind or a lumpier day than you hoped all raise the chance of a late fade. If the start feels easy, don't spend it. Back off early, and hold even effort even if that means slower than the A-goal. The preview on this page is the starting point. Full personalised splits sit in Race Pass or Pro.

About 69 m of climbing and 54 m of descent. Mostly flat. Almost all of it sits within 2%. No steep grades over 6%. No counted climbs.

It is an estimate of how the course and conditions could move your baseline. Your body still decides the rest: heat adaptation, fuelling, prep, mindset, how you race, and whether you can draft.

The free page covers conditions, course context and a finish preview. Full personalised pacing and weather-adjusted splits sit in Race Pass or Pro.