Zurich's major events, ranked by crowd impact
Every event here is verified by a person, dated from its own organiser, and measured against Zurich's day-by-day crowd forecast — so they can be ranked on one scale. See the city, day by day →
#1 Zurich Marathon →
Zurich Marathon is the busiest of Zurich's 1 verified major events — its day reads Packed, busier than 93% of Zurich's year.
The 2027 Zurich Marathon in Zurich runs 11 Apr 2027, confirmed; expect Packed days — busier than 93% of Zurich's year. (Avoid-Crowds, as of 2026-08-31; recomputed nightly.)
Disclaimer — event dates can change; expected dates are labelled and can move.