We talk about hydration constantly at CrossFit Chiltern. We all know the basics: drink lots of water.
However, many athletes think they are perfectly hydrated just because they carry a gallon jug around. The truth is, hydration is not just about volume; it’s about timing and mineral balance. A slight drop in hydration (even 2%) can negatively affect your performance, focus, and recovery.
If you’re struggling with mid-WOD energy crashes, headaches, or muscle cramps, you are likely making one of these four critical hydration mistakes:
1. The Pre-WOD Flood (Too Much, Too Late)
Chugging a litre of water right before class starts is a mistake. It does nothing to hydrate your cells, and it only ensures that your stomach is full and sloshing during your first set of box jumps or burpees. True hydration happens over hours, not minutes.
- The Fix: Hydrate consistently all day. Aim to have at least two large glasses of water in the 60-90 minutes before your workout starts, but stop drinking 20 minutes before the clock starts. This allows your body time to absorb the fluid without your stomach feeling full during the WOD.
2. The Mid-WOD Break (The Habit vs. The Necessity)
One of my pet peeves is athletes taking long drink breaks mid-workout. A full drink break mid-WOD is usually a bad habit or an excuse to rest—it compromises the intended high-intensity stimulus. True hydration happens before and after, not during a short metcon.
- The Rule: A drink break is only justified in rare occasions:
- Long Workouts: 30 minutes or longer.
- Extreme Heat: 30°C+ conditions (for workouts 10 minutes or longer).
- Hangovers: (We’ve all been there, but we won’t judge).
- The Fix: For all other workouts, your focus should be on strategic sipping during planned rest periods or transitions, not a long stall at the water fountain. True hydration starts hours before class.
3. Ignoring Electrolytes (The Mineral Deficit)
If you train intensely, you lose a massive amount of sodium, potassium, and magnesium through sweat. If you only replace that loss with pure, filtered water, you dilute the remaining minerals in your body, throwing off your delicate fluid balance.
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- The Fix: If you are a heavy sweater or your WOD lasts longer than 30 minutes, you must be intentional about mineral replacement. Use a high-quality electrolyte mix or add a pinch of sea salt to your water bottle. Remember, the Optishake machine is also a great source of post-WOD electrolytes, essential for muscle and nerve function.
4. The “Too Cold” Mistake (Slowing Absorption)
Drinking ice-cold water feels refreshing, but your body has to warm the fluid up before it can be effectively absorbed by the intestines. If you drink ice water during a WOD, you are slowing down the rehydration process.
- The Fix: Drink water at room temperature or slightly cool. This speeds up the rate at which your body can absorb the fluid, ensuring that the water you drink mid-WOD actually begins replenishing your cells, rather than just sitting in your stomach.
Hydration is a Performance Tool
Stop treating water like a chore. Treat it like the performance tool it is. Consistent, mineral-balanced hydration is the easiest PR you can achieve outside the gym.
Book a Discovery Call today with one of our team!
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