www.kuestenmarathon.de

KSK Küstenmarathon Otterndorf

Otterndorf, Hamburg, Germany

calendar_today 20 Sep, 2026

About the Event

Chase the horizon where the Elbe River meets the North Sea at the Küstenmarathon in Otterndorf. On Sunday, 20 September 2026, this unique coastal marathon offers a flat, fast, and historic route for runners of every level. Choose your challenge: conquer the full 42.195 km "King's Discipline", join the 25 km Jubiläumslauf, test your speed on the 10 km, or enjoy the 5 km in the UNESCO-listed historic old town. For the ultimate team effort, tackle the Marathon-Staffel in a relay of four. All courses run along the iconic Elbe dike and through scenic landscapes, making it a perfect race for personal bests. With family-friendly events from a Bambini-Lauf to the expansive Kinderwelten festival area, it’s a full day of sport and celebration by the sea.

Races Offered

10 km

Sep 21, 2025

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Distance — 10K

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77 days remaining

25 km Jubiläumslauf

Sep 21, 2025

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Distance — 25K

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77 days remaining

5 km

Sep 21, 2025

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Distance — 5K

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77 days remaining

Küstenmarathon

Sep 21, 2025

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Distance — 42.2K

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77 days remaining

Weather History

These values represent the 3-year monthly averages for September in Otterndorf.

thermostat Temperature

13.2° / 20.1°

wb_sunny Feels like

10.6° / 18.3°

light_mode Avg sunshine hours

9h 38m

water_drop Avg rainfall

1.9 mm

ac_unit Avg snowfall

—

air Avg wind speed

15.0 km/h (Gentle breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (3.5)

humidity_mid Humidity

76.6%

wb_twilight Sunrise

06:58

nightlight Sunset

19:39

About Otterndorf

Learn more about the host city, Otterndorf.

Otterndorf is a town on the coast of the North Sea in the federal state of Lower Saxony, Germany, and is part of the collective municipality of Land Hadeln. The town, located in the administrative district of Cuxhaven, is at the mouth of the river Medem, part of the Elbe delta. The old town centre (Altstadt) features a number of half-timbered houses.