Passive Heat Acclimatization

Passive Heat Acclimatization

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As we are getting ready for a hot race it is very important to get heat acclimatized. Therefore, I recommend a passive heat acclimatization. This is a process of gradually and naturally allowing the body to adjust to warmer temperatures. It involves staying outdoors in hot weather or sitting in a sauna for a period of time. Initially, the body may feel uncomfortable in the heat and sweat profusely as it attempts to cool itself down, but over time, the body becomes accustomed to hot weather and is better able to regulate its temperature. This process can help reduce symptoms of heat illness such as cramping and dehydration. Additionally, passive heat acclimatization can help improve endurance and performance in hot weather. Some strategies for passive heat acclimatization include spending increased amounts of time outdoors, wearing fewer layers of clothing when outside, and avoiding physical activity during the hottest part of the day.

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It is very important to hydrate and take some electrolytes during this process. Start off with 10 min and then gradually build to 20 min. With regular practice and patience, passive heat acclimatization can help individuals become more comfortable in high temperatures.


1. “Heat Acclimatization.” Centers for Disease Control and Prevention, US Department of Health and Human Services, 24 Oct. 2019,

2. Kravitz, Len. “How to Acclimatize to Hot Weather.” Verywell Fit, Dotdash, 5 May 2020,

3. “Heat Acclimatization: How Your Body Adapts to the Heat – Physician’s Choice Wellness and Weight Loss.” Physician’s Choice Wellness and Weight Loss, 2 Mar. 2020,

4. Thompson, Pippa. “Heat Acclimatization: The Benefits of Adapting to the Heat.” American College of Sports Medicine, 10 July 2017,

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