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Backwaterman Waldviertel
Open water
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Austria
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Backwaterman Waldviertel
A rugged fjord-like marathon swim up the dramatic Ottenstein reservoir.
Key facts
When
Saturday 4 July 2026
Distances
7km
14km
Wetsuit
Allowed (optional)
Water temp
Not published
Entry fee
Not published
Registration
Not published
Cut-off
Not published
Where
Ottensteiner Stausee
Ottenstein, Austria
Organizer
Backwaterman Events
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