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Triathlon · CH
CKW Sempachersee Triathlon
Race day
4 July 2027
Nottwil, Lucerne
Choose your line
Distances & routes
Course files are for planning. The organiser remains the source of truth for last-minute changes.
About the race
What to expect
Billed as Switzerland's fastest triathlon, on flat courses around Lake Sempach from the sports centre in Nottwil. Short and Series Sprint races headline a programme that also includes youth and relay formats.