Cold Water Shock in Open Water Swimming: What Triathletes Need to Know
Cold water shock is different from hypothermia, and it’s far more immediately dangerous for triathletes. Hypothermia takes 30 minutes or more to set in; cold water shock hits in the first 60–90 seconds of immersion, and it’s the reflex most likely to cause trouble on a cold race morning — even for strong swimmers. What…










