ultraswim333.com

UltraSwim33.3 Switzerland

Veytaux, Valais, Switzerland

calendar_today 24 Jul, 2026

About the Event

Embark on the ultimate fresh-water challenge with UltraSwim 33.3 from July 24-27, 2026. Conquer the iconic English Channel distance of 33.3km over four spectacular days in Lake Geneva, featuring a breathtaking 13km international crossing from Switzerland to France. This unique event blends a monumental personal test with a profound purpose, raising funds for Léman Hope to support young cancer survivors. The UltraSwim 33.3 is your chance to step far beyond comfort and into an unforgettable journey of endurance, set against a stunning alpine backdrop.

Races Offered

UltraSwim 22.2

Jul 24, 2026

straighten

Distance — 22.2K

terrain

Type — Water sports

timer

19 days remaining

UltraSwim 33.3

Jul 24, 2026

straighten

Distance — 33.3K

terrain

Type — Water sports

timer

19 days remaining

Weather History

These values represent the 3-year monthly averages for July in Veytaux.

thermostat Temperature

16.5° / 24.9°

wb_sunny Feels like

17.6° / 26.0°

light_mode Avg sunshine hours

12h 17m

water_drop Avg rainfall

6.6 mm

ac_unit Avg snowfall

—

air Avg wind speed

4.1 km/h (Light breeze)

opacity Sweat loss rate

High

terrain Course conditions

Hard and dry surface

sunny Max UV Index

Moderate (5.6)

humidity_mid Humidity

78.9%

wb_twilight Sunrise

05:56

nightlight Sunset

21:18

About Veytaux

Learn more about the host city, Veytaux.

Veytaux is a municipality in the Riviera-Pays-d'Enhaut district in the canton of Vaud in Switzerland.

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