SWIMMING : the events will take place at the "Stade Nautique de Colmar" (15 rue Robert Schuman) - 50m outdoor pool
https://www.colmar.fr/stade-nautique

The water temperature will be lowered to 25 degrees to be able to swim in a wetsuit in comfort and for the safety of all.

The filtration of the swimming pool will be stopped during the event to avoid the differences of "against the current" in the swimming lines.