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HYROX NUTRITION: HOW PERSONALISED RACE DAY NUTRITION CAN SAVE YOU 10 MINUTES!

What you eat before, during, and after your HYROX race can make a massive difference in your performance.

April 13, 2025
Coach Loz
5 min read
HYROX Nutrition

Let's be real - HYROX isn't just about fitness. I've coached hundreds of athletes, and I can tell you that nutrition is often the difference between crushing your PR and hitting the wall at station 6.

Think about it - eight stations, eight 1K runs. That's a lot of opportunity to either fuel your body or starve it. The athletes who make HYROX look easy aren't necessarily the fittest ones in the room - they're the ones who've mastered efficient fueling strategies.

WHY NUTRITION IS YOUR SECRET WEAPON

When I first started coaching HYROX athletes, I noticed something interesting: fitness level often had less impact on race-day performance than nutrition did. I've seen super-fit CrossFit athletes crash and burn while much less conditioned competitors finished strong.

Here's the deal: HYROX is an endurance event, and endurance is fueled by proper nutrition. If you don't fuel your body correctly, you're essentially trying to run a car on empty.

THE PERSONALIZED NUTRITION PLAN: YOUR HYROX TRANSFORMATION

The most effective nutrition plan is tailored to your individual needs and preferences. This approach has transformed race day from a source of anxiety to a source of confidence for many of my athletes.

1. Pre-Race Fueling

What you eat in the 24-48 hours before your race sets the stage for success. This is your opportunity to load your muscles with glycogen and optimize your hydration levels.

For optimal pre-race fueling, focus on high-carbohydrate, low-fiber foods that are easy to digest. Aim for approximately 8-10 grams of carbohydrates per kilogram of body weight. Drink plenty of fluids with electrolytes to ensure you're fully hydrated.

2. Race-Day Fueling

What you eat and drink during your race provides the energy you need to maintain performance and prevent fatigue. This is where you need to be strategic and consistent.

For optimal race-day fueling, aim for approximately 30-60 grams of carbohydrates per hour. Choose easily digestible sources like energy gels, chews, or sports drinks. Drink small amounts of fluid with electrolytes regularly throughout the race.

3. Post-Race Recovery

What you eat after your race helps your body recover and rebuild. This is your opportunity to replenish glycogen stores, repair muscle damage, and reduce inflammation.

For optimal post-race recovery, aim for a combination of carbohydrates and protein within 30-60 minutes of finishing. Choose easily digestible sources like a protein shake, a banana with peanut butter, or a sports drink. Continue to hydrate with fluids and electrolytes.

COMMON NUTRITION MISTAKES KILLING YOUR HYROX TIME

Over the years, I've identified specific nutrition mistakes that consistently slow athletes down. Avoiding these pitfalls can create immediate improvements in your performance.

1. Not Fueling Enough

Many competitors underestimate the amount of fuel they need to get through a HYROX race. This leads to energy crashes and fatigue.

2. Choosing the Wrong Fuel Sources

Not all fuel sources are created equal. Some are easier to digest and absorb than others. Choosing the wrong fuel sources can lead to GI distress and slow you down.

3. Not Hydrating Properly

Dehydration can significantly impair your performance. It can lead to fatigue, muscle cramps, and decreased cognitive function.

PRACTICAL NUTRITION STRATEGIES FOR HYROX

These are the exact strategies I use with my athletes to develop a personalized nutrition plan for HYROX. Incorporate these into your training to optimize your fueling and hydration.

The Fueling Test

This test helps you determine how much fuel you need during a HYROX race. Perform a simulated race-day workout and track your carbohydrate intake. Monitor your energy levels and adjust your fueling strategy accordingly.

The Hydration Test

This test helps you determine how much fluid you need during a HYROX race. Weigh yourself before and after a workout to estimate your sweat rate. Drink enough fluid to replace your sweat losses.

FINAL THOUGHTS

Remember - nutrition is just as important as training. Give it the attention it deserves, and I guarantee you'll see the difference on race day. You'll move faster, feel stronger, and have more energy for the challenges that lie ahead.

See you on the HYROX course - fueled and ready to dominate!

Coach Loz

Coach Loz

HYROX Coach & Competitor

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