Thus, changing into dry clothes during transitions is not a good idea. If practical, wear your biking clothes under your wet suit. This makes for a faster transition and ensures that the clothes are wet when you start the bike leg. The same applies to environment. Heat acclimatization is a process by which the body makes adjustments to promote better cooling in hot environments.
Sweat becomes more dilute.
The threshold at which sweating begins is lowered and the sweat rate is increased. Make sure that you are properly adapted by training in conditions that you will experience during the race. Some medications interfere with cooling Certain drugs may cause dehydration or interfere with sweating. Antihistamines and some blood pressure medications decrease sweating. Caffeine and alcohol are diuretics and thus cause your body to lose water.