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Registration – Races Saturday, August 1, 2026

2km (Open Water)
6km (Open Water)
11km (Open Water)

Swim Camps with Sharon van Rouwendaal

Sharon van Rouwendaal – double Olympic champion, world champion, and one of the greatest open water swimmers of all time – will be joining GlommaDyppen on Saturday, 1 August! In the days leading up to the event, she will host an exclusive swim camp (29–31 July) for swimmers who want to learn from one of the very best.

The swim camp is now fully booked. If you are one of the participants, please see the email we have sent you with updated information about the programme.

Fløter’n joins the European river marathon!

We’re proud to be part of the the Marathon River Swim Series – alongside Le Flow des Gabarriers in France and UltraEbre in Spain. Three iconic river swims. One shared challenge: Join an adventurous swimming journey through some of Europe’s most beautiful rivers.

Will you be one of the first to complete all three?

Curious about the rest of the series?

Take a look at the Marathon River Swim Series, Le Flow des Gabarriers (France) og UltraEbre (Spain) for more inspiration and information. Perhaps your next river adventure starts right here?

GlommaDyppen and Heia Open collaborate with Vansbrosimmet!

The race times from Elvenøkken now apply as seeding times for the main race (3km) in Vansbrosimmet
Join one of the world’s largest gatherings of Open Water swimmers – take the trip to Vansbro! Maybe you will meet other participants from GlommaDyppen? There are several of us who will make the trip to our neighbours! And they have a lot of exciting activites and races to offer!

News

Follow the swimmers

There are many ways to follow the swimmers participating in this year’s Glommadyppen. You can watch them in person from the bank at several locations: On the opposite side (the south side) of the Fløter'n starting point, at the Loffer'n starting point, along the path...

When Glomma Suddenly Turns Cold

When Glomma Suddenly Turns Cold

Many people associate the Glomma River with stable summer temperatures, but measurements from Fetsund show that the water temperature can drop surprisingly fast several times throughout the summer – from 17–18°C down to around 10°C within just a few days. The graph...

Our sponsors and partners

Would you like to become one of our sponsors? Please get in touch with us!

Naturally, we hope that you will make the trip to GlommaDyppen on Saturday, August 1, 2026. We look forward to meeting you all!