Ice swimming and changes in body core temperature: a case study An experienced ice float (56 years, 110 kg body weight, BMI 35.6 kg / m2 and 44.8% body fat) has documented all its training in preparation for 2 miles for almost 2 years. We were now able to examine relationships between body core temperature and water temperature.It turned out that the body core temperature immediately after entry into the cold water rose and then slowly dropped. The deepest body core temperature was only in the recreational phase after the ice swim to find.On average, the body core temperature decreased by about 1.7 ° C during an ice mile, after swimming even 3.2 - 3.7 ° C.
During ice swimming, no hypothermia (body core temperature <36 ° C) occurred, but hypothermia occurred after exiting the water. The whole case report can be read under https://springerplus.springeropen.com/articles/10.1186/s40064-015-1197-y