SO YOU HAVE your coveted Hyrox entry. You have your training plan. But do you have your eating plan nailed? If not, you’re leaving untapped speed and endurance on the table.
“Your body can only adapt, recover, and perform with the raw materials you consistently give it,” says Michael Ormsbee, PhD, director of the Institute of Sports Sciences and Medicine at Florida State University. “Forgetting nutrition is like planting grass and never watering it.”
Don’t be that guy. Here’s how to fuel your training—all the way through race day:
How Hyrox Fueling Is Different
NUTRITION LORE SUGGESTS that endurance athletes need carbs and strength athletes need protein. So what’s required for a Hyrox athlete—who’s required to run nearly five miles in 1000-meter chunks, and then perform weighted lunges and heavy farmer’s carries during the rest periods?
“At its core,” says MetPro coach Ashley Poli, founder of GettingRosc.com, a tactical nutrition platform for First Responders. “Hyrox is still an endurance event.” Roughly half your race time is spent running. The other half is spent on high-rep moves that don’t require superhuman strength and bodybuilder bulk, but do require a ton of strength endurance—the ability to stay strong over time.
Hyrox fueling is simple: carbs for performance, protein for recovery.
If you’re serious about a strong Hyrox finish, you’ll need to consume plenty of both. Remember, you’re training for performance—not for zero-percent bodyfat.
How Much Protein You Need
JUST BECAUSE YOU’RE not pushing for bulk doesn’t mean you can skimp on the protein. “People struggle to hit the mark with protein,” says Poli. “Hyrox training places high stress on muscle and connective tissue, making protein intake essential for recovery and durability.”
Poli recommends distributing protein intake throughout the day over three to five meals with 30 to 40 grams of protein in each.
An alternative, says Ormsbee, is to aim to consume one gram per pound of body weight daily. “This is high,” he says, “But most people miss this target and land where we want them: at .7 to .75 grams per pound.”
However you frame it, a consistent protein pipeline keeps your lean tissue recovering during high-demand workouts.
A simple approach to estimating your protein servings: with each meal, consume an amount the size and thickness of your palm. Choose high-quality protein sources, mostly from whole foods: meat, fish, chicken, Greek yogurt, cottage cheese. In a pinch, a scoop of protein powder mixed with milk, water, or juice is an inexpensive and convenient alternative.
How Many Carbs You Need
CUTTING CARBS CAN be a useful strategy if you’re trying to lose weight. But you’re not dieting here—you’re fueling performance.
Your new mantra: I don’t fear carbs. Say it to yourself on the ski erg.
Carbs convert to glycogen in the body—a fast fuel source that’s perfect for powering you through a Hyrox workout or race. Leave them off the table at your peril.
A practical target is 45 to 60 grams per meal—a serving about as big as your fist. “While quick-digesting carbs have their place, the majority of these should come from complex, slow-burning sources like sweet potatoes and whole grains,” Poli says. Pair these carbs with protein, and adjust the amounts slightly based on your training load: a little more before and/or after your training sessions, a little less at other meals and on off days.
What a Hybrid Performance Meal Looks Like
“NUTRITION SHOULD SUPPORT performance without becoming overly complicated,” says Ormsbee. “You need meals you can realistically repeat day after day.” If it’s boring, it’s probably on target.
If you want a simple default, use this:
- 40% carbs to fuel training and racing
- 30% protein to support recovery and muscle
- 30% fat for basic functioning and fuel (you’ll likely get enough fats if you cook with olive oil, consume fatty fish and red meat, and use a little fat on your carbs).
For most people, protein is the hardest macro to get right. Hit those numbers, while also consuming plenty of vegetables, fruits, and starches, and you’re probably in the ballpark. Run that play 3 to 5 times a day and your daily intake basically takes care of itself.
With this approach, your energy will stay high, you’ll recover fully between sessions, and you’ll stay lean—without swinging wildly between deprivation and overeating.
When to Eat What
NUTRITION TIMING DOESN’T need to be complicated, but it does need to be intentional, Poli points out.
Before training, eat something with carbs and protein: a banana and some Greek yogurt, a glass of chocolate milk, an apple and a scoop of protein powder in water.
This isn’t the time for fasted training, says Poli—another fat-loss technique that doesn’t belong in a Hyrox athlete’s nutritional arsenal. “Consistently training under-fueled often shows up as declining session quality,” she says. You won’t bonk, in other words—you’ll just see your workouts slowly get worse.
Most people can handle eating something small 20 to 30 minutes before training. If digestion is an issue, push it to 60.
After training, fueling is about recovery: hit the protein and carbs again to repair your damaged muscle, reload glycogen, and get ready to get back to work.
Doing two-a-days? Now timing matters even more. Fuel up between sessions or the second one will feel like punishment.
Watch Out for these Performance Busters
HYROX NUTRITION ISN’T improv—it’s a script. You want to keep up the same pattern meal after meal, day after day. Common errors, according to Poli:
- Under-fueling to stay lean: You don’t lose fat—you lose speed and reduce recovery.
- Treating carbs as optional: Early fatigue and inconsistent training quality will result.
- Back-loading calories: Recovery and muscle building happen 24/7. Keep fueling it even between workouts.
- Eating randomly when you get busy: Predictable nutrition supports growth and recovery. Starving half the day and binging the other half sabotages both.
- Only getting serious during race week: Hyrox isn’t a final exam: you can’t cram for it. Get on top of your nutrition 6 to 12 weeks pre-race.
- Panic-cutting calories the week before the race: You don’t need to show up lighter—you want to show up ready.
What to Eat on Hyrox Race Day
PRE-RACE NERVES inspire people to pull all kinds of nutritional stunts, but race day is not the time to get creative.
“The best race-day nutrition plan is one that feels familiar,” says Poli.
Two or three hours before racing, eat a meal that includes easily-digestible carbs and protein. You’ll likely be a little nervous: dial back fat and fiber so your guts don’t protest.
In the final 30 to 60 minutes before the start, if you’re used to it, have another small, easy-to-digest carb: some Gatorade, a banana, a gel.
You probably won’t need much fuel during the race, which is good, because you have to carry any nutrition that you need (you can get water and electrolytes at the Rox Zone area).
Post race? We’d say to hit some protein and carbs for recovery and prep for your next training day, but who are we kidding? Hit up In-N-Out. You’ve earned it.
What About Creatine?
CREATINE WON’T HELP you much if you only take it on race day, but it’s helpful in the weeks leading up to it. This well-studied nutrient will help power you through Hyrox’s highest-intensity efforts: the sleds, farmer carries, lunges, and wall balls. Like any supplement, it doesn’t replace good nutrition. If the basics aren’t dialed in, supplements won’t fix the problem.
Take the Stress Out of Eating for Hyrox
THE GOAL ISN’T perfect meals—it’s reliable habits. ”Five minutes of planning before bed saves you hours of frustration the next day. You can’t wing nutrition and expect results,” says Poli. The best plan isn’t the one with the perfect nutrient balance—it’s the one you can execute even on your busiest day.
Get after it.
Andrew Heffernan, CSCS is a health, fitness, and Feldenkrais coach, and an award-winning health and fitness writer. His writing has been featured in Men's Health, Experience Life, Onnit.com, and Openfit, among other outlets. An omnivorous athlete, Andrew is black belt in karate, a devoted weight lifter, and a frequent high finisher in triathlon and Spartan races. He lives in Los Angeles with his wife and their two children.
