609 in 2015 and later

648 past in 2015 (updated 17-07-'15)

All days and times are noted in the local time zone of the event.
These are all the events we know about and that are listed in the calendar. One can refine the list by selecting, by country, by subject, or a combination of them.

local swim = less than 10K, Marathon swim = more than 10K

We try to be as accurate as possible. These were the facts when we wrote them in the calendar. Things can change .
Check the link(s) /with organization for changes