Cozumel's major events, ranked by crowd impact
Every event here is verified by a person, dated from its own organiser, and measured against Cozumel's day-by-day crowd forecast — so they can be ranked on one scale. See the city, day by day →
#1 IRONMAN 70.3 Cozumel →
IRONMAN 70.3 Cozumel is the busiest of Cozumel's 1 verified major events — its day reads Busy, busier than 65% of Cozumel's year.
The 2026 IRONMAN 70.3 Cozumel in Cozumel runs 20 Sep 2026, confirmed; expect Busy days — busier than 65% of Cozumel's year. (Avoid-Crowds, as of 2026-08-31; recomputed nightly.)
Disclaimer — event dates can change; expected dates are labelled and can move.