ultraswim333.com

UltraSwim33.3 Switzerland

Name: UltraSwim33.3 Switzerland
Start: 2026-07-24
End: 2026-07-24
Location: Veytaux

location_city Veytaux

flag Switzerland

calendar_today 24 Jul, 2026

pool Water sports

language Official Website

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 — Swimming

timer

204 days remaining

UltraSwim 33.3

Jul 24, 2026

straighten

Distance — 33.3K

terrain

Type — Swimming

timer

204 days remaining

Weather Overview

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

Temp (°C)

Feels Like (°C)

thermostat 16.7° / 26.2°

wb_sunny 17.8° / 27.2°

Wind (km/h)

Humidity (%)

air 4.2 /

water_drop 76.4%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 16.7° / 26.2°

wb_sunny 17.8° / 27.2°

air 4.2 km/h

water_drop 76.4%

Nearby Races

Montreux Trail Festival

location_on Clarens, CH

calendar_today Jul 24, 2026

10K 15K Marathon Ultra

Trail Verbier St-Bernard by UTMB®

location_on Cotterg, CH

calendar_today Jul 10, 2026

Other Marathon Ultra

Sierre-Zinal

location_on Sierre, CH

calendar_today Aug 08, 2026

Marathon

Tour du Lac de Joux

location_on L'Orient, CH

calendar_today Jul 04, 2026

15K Marathon

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UltraSwim33.3 Switzerland

About the Event