OPEN WATEROpen-water swimming
Alonissos Challenge 2026 · Golden & Silver Swim
Chrysi Milia Beach, Alonissos · Thessaly
0.5 / 1 mile · 5 September 2026Confirmed at sourceAlonissos Challenge · official event page↗
Open-water swimming in Greece
Open-water races in Greece with a clear distinction between official records and discovery leads.
Open-water swimming
Data method →Upcoming races with a direct event source
OPEN WATERKids open-water swimming · primary-school ages
Alonissos Challenge 2026 · Junior Swim Challenge
Chrysi Milia Beach, Alonissos · Thessaly
150 m · 5 September 2026Confirmed at sourceAlonissos Challenge · official event page↗
OPEN WATEROpen-water swimming
whynot Legacy Katakolo 2026 · Open Water 1,500 m
Katakolo · Western Greece
1.5 km · 12 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
OPEN WATEROpen-water swimming
whynot Legacy Katakolo 2026 · Open Water 3,000 m
Katakolo · Western Greece
3 km · 12 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
OPEN WATEROpen-water swimming · Ages 8–14
whynot Legacy Katakolo 2026 · Kids Open Water 300 m
Katakolo · Western Greece
300 m · 12 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
OPEN WATERKids open-water swimming
Serifos Sunset Race 2026 · Kids Swimming Races
Avlomonas Beach, Livadi, Serifos · South Aegean
100 / 300 m · 13 September 2026Confirmed at sourceSerifos Sunset Race · official event page↗
OPEN WATEROpen-water swimming
Serifos Sunset Race 2026 · Open Water
Livadi, Serifos · South Aegean
0.75 / 1.5 / 3 km · 13 September 2026Confirmed at sourceSerifos Sunset Race · official event page↗
OPEN WATEROpen-water swimming
Hellenic OWS Masters Championship 2026
Agios Minas Beach, Chalkida · Central Greece
1 / 3 km · relay 3×500 m · 19 September 2026 – 20 September 2026Confirmed at sourceΚολυμβητική Ομοσπονδία Ελλάδας · official 2026 proclamation↗
OPEN WATEROpen-water swimming
3rd GO MILINA – ALATAS 2026
Milina · Thessaly
1.5 / 3 / 8.5 km · 27 September 2026Confirmed at sourceGO Events · event page↗
OPEN WATEROpen-water swimming
whynot Legacy Nafplio 2026 · Open Water 1,500 m
Nafplio · Peloponnese
1.5 km · 10 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
OPEN WATEROpen-water swimming
whynot Legacy Nafplio 2026 · Open Water 3,000 m
Nafplio · Peloponnese
3 km · 10 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
OPEN WATEROpen-water swimming · Ages 8–14
whynot Legacy Nafplio 2026 · Kids Open Water 300 m
Nafplio · Peloponnese
300 m · 10 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
OPEN WATEROpen-water swimming
XTERRA Greece O.W.S. Challenge 2026
Voula · Attica
0.2 / 1 / 2.5 / 5 / 10 km · 11 October 2026Confirmed at sourceXTERRA · official O.W.S. Challenge event page↗
Verification boundary
Discover here. Confirm with the organiser.
Counts include upcoming listings with a direct event or authoritative source. Registration, routes, prices and last-minute changes must still be checked at that linked source.