{"id":21143,"date":"2026-06-22T14:54:37","date_gmt":"2026-06-22T14:54:37","guid":{"rendered":"https:\/\/www.scienceinsport.com\/sports-nutrition\/?p=21143"},"modified":"2026-06-30T08:33:44","modified_gmt":"2026-06-30T08:33:44","slug":"heat-and-hydration-performing-when-temperatures-rise","status":"publish","type":"post","link":"https:\/\/www.scienceinsport.com\/sports-nutrition\/heat-and-hydration-performing-when-temperatures-rise\/","title":{"rendered":"Heat and Hydration: Performing When Temperatures Rise"},"content":{"rendered":"\n
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\n Written By<\/span>\n

Jonah Rosner<\/h3>\n

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7 Min<\/div>
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Heat and Hydration: Performing When Temperatures Rise<\/h1>\n\n\n\n

When the temperature climbs, hydration stops being a background detail. It becomes key to your performance. So when does plain water do the job, and when do electrolytes earn their place?<\/p>\n\n\n\n

The honest answer: it depends on the day and the athlete. A cool morning run and a long, hot ride are not the same problem.<\/p>\n\n\n\n

Match your fluid, and what is in it, to the conditions in front of you.<\/p>\n\n\n\n

This post covers three things. What sweat costs you in the heat. When electrolytes earn their place. And how to build a simple strategy that flexes with the weather.<\/p>\n\n\n\n

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Key Takeaways<\/strong><\/p>\n\n\n\n