sweatsciences
Pickleball hydration & electrolytes

Each point feels easy. Three hours in the sun doesn't.

Pickleball's genius is that it never feels like a hard workout — but you're on a hot court for hours, often playing game after game, and the fluid and sodium quietly add up. A big share of players are also older and on medications, which makes getting hydration right matter more, not less. Here's how to handle a long day on the court.

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The trap is duration, not intensity.

A single game is light — but that's exactly why people under-hydrate for pickleball. You don't feel wrecked the way you do after a run, so you forget you've been sweating in the sun for two or three hours across five or six games. The losses are real even if the effort felt gentle, and by the last game of the day they show up as heavy legs, a headache, and the cramp that ends your match. On a hot tournament day a salty sweater can lose a lot of sodium that plain water never puts back.

The plan for a long session or tournament.

Start hydrated, with sodium on board. Going in low is the deepest hole, and you can't dig out mid-tournament.

Put sodium in the bottle for long hot days. Between-game sips of plain water alone dilute what you have; sodium with the water is what you actually hold onto. Weigh in once to know your real hourly loss.

Drink to thirst and take the shade. Between games, get out of the sun and sip — don't force big volumes, just keep topping up.

If you're older or on medication, read this. Many pickleball players take blood-pressure, heart, or diuretic medications. Heat lowers blood pressure, and added sodium isn't right for everyone — if that's you, be conservative with both and ask your clinician before changing your sodium intake. Stop and seek shade or care if you feel dizzy, confused, or unwell. This is education, not medical advice.

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