GlommaDyppen - Marathon River Swim Series
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Marathon River Swim Series Logo

GlommaDyppen

GlommaDyppen

Are you passionate about open water swimming?

Does a thrilling adventure in Norway linger on your bucket list?

It’s time to bring those dreams to life!

Join us for the 10th edition of GlommaDyppen on Saturday, August 2nd, 2025, and immerse yourself in an unforgettable open water experience.

Whether you’re up for the challenge of an 11 km swim, a moderate 6 km, or a refreshing 2 km dip, Norway’s longest river, Glomma, awaits your strokes. Note, only the 11km swim is part of the Marathon River Swim series.

Why GlommaDyppen?

Immerse yourself in the pristine waters of Norway’s longest river

Choose from three exciting distances suitable for all skill levels

Swim through the stunning timber booms of Fetsund and Bingen

Seize the opportunity to explore some of Norway’s breathtaking natural wonders

The Marathon River Swim Series

LE FLOW DES GABARRIERS

Cognac, France | 33km
13th june 2026

One of the fastest growing long distance swimming event in Europe!

UltraEbre

TERRES DE L'EBRE, Spain | 31km
4th july 2026

The longest and hardest single-track swim in Southern Europe since 2012

GlommaDyppen

Lillestrøm, Norway | 11km
1st August 2026

Seize the opportunity to explore some of Norway’s breathtaking natural wonders

Marathon River Swim Series Logo

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