Your Athlete Isn't Out of Shape, They're Out of Fuel

A dad caught me after a session a few weeks back, genuinely confused. His son is a setter, plays club and school ball, trains with us, and by every measure works his tail off. The problem was that the kid kept fading in the back half of matches. First two sets he looked sharp, and then somewhere in the third his feet got slow, his reads got late, and he started making the kind of mistakes he never makes in practice. Dad wanted to know if his son needed more conditioning. My first question had nothing to do with conditioning. I asked what the kid had eaten that day.

Long pause. A granola bar in the car and half a Gatorade. That was the whole tank before a three hour tournament block. His son wasn't out of shape. He was running on empty, and no amount of extra sprints was ever going to fix a fuel problem.

That conversation happens more than you'd believe, and it almost never starts with a lazy kid. The athletes I see fade late are usually the ones grinding through practices and games on almost nothing, then wondering why the effort stops paying off in the fourth quarter.

Food Is the Part of Training Nobody Coaches

Young athletes will obsess over their approach, their footwork, their vertical, their max on the bar. They will run the same drill two hundred times to shave a tenth of a second. Then they'll skip breakfast, eat lunch at ten in the morning, and try to compete at six that night. We coach every other variable to death and leave the biggest one completely unmanaged.

Here's the thing food actually does. It's the fuel that lets a kid move fast and think clearly deep into a game, and it's also the raw material the body uses to build the muscle and bone and speed they're training for. Underfeed a young athlete and both jobs suffer at once. Performance drops in the moment, because the tank is dry, and adaptation drops over time, because there's nothing to build with. A stronger, faster athlete gets made in the same window I talk about in [why your athlete needs more recovery, not more reps](/blog/your-young-athlete-needs-more-recovery), and food is half of what makes that window work.

What Should a Young Athlete Eat Before a Game?

Two to three hours before a game, an athlete should eat a real meal built mostly around carbohydrates, with some protein alongside it, and keep it fairly easy to digest. Carbs are the fuel your body burns hardest during a match, so they belong at the center of the plate, not off to the side. Think a chicken and rice bowl, a turkey sandwich with some fruit, pasta with a lean protein, oatmeal and eggs if it's a morning game. Nothing heavy, greasy, or brand new on game day, because the last thing you want is a stomach fighting you in warmups.

Then, thirty to sixty minutes before first serve, a small carb-focused snack tops off the tank without weighing them down. A banana, a granola bar, some applesauce, a handful of pretzels. That's it. The mistake I see is a kid eating nothing all day and then trying to slam a huge meal right before they compete, which leaves them sluggish and cramping instead of ready. Fueling for a game is something you set up hours in advance, not something you rescue in the parking lot.

The Bigger Problem Is the Rest of the Day

Here's the honest truth though. A good pre-game meal can't save a day of eating almost nothing, and it definitely can't save a week of it. The athletes who fade aren't usually the ones who messed up one snack. They're the ones who skip breakfast most mornings, barely touch a rushed school lunch, and get most of their calories at dinner after everything's already over.

A growing athlete who trains hard needs to eat like it, and that means real food at regular intervals all day long. Breakfast is not optional, it's the meal that sets up everything after it. Protein at every meal gives the body what it needs to repair and build, and enough total food across the day keeps the tank from ever getting to empty in the first place. Kids grow fast and burn a ton between school, practice, and games, and a lot of them are simply not eating enough to cover it. If a young athlete is training more and eating the same, the math doesn't work.

Recovery Starts With What They Eat After

What an athlete eats after a game or a hard practice matters just as much as what they eat before, and it's the piece families skip most. In the hour or so after they finish, a combination of carbs and protein kicks off the recovery process, refilling what got burned and giving the muscles the material to rebuild. It doesn't have to be complicated. A real dinner does the job, and if dinner is a long way off, a snack like chocolate milk, a sandwich, or some yogurt and fruit bridges the gap.

This is the same principle behind smart strength work, which is the highest-return training a young athlete can do and something I break down in [how often high school athletes should actually lift](/blog/how-often-should-high-school-athletes-lift-weights). You put in the work, then you give the body what it needs to turn that work into a result. Skip the fuel and you're leaving most of the gain on the table.

The Hydration Piece Everyone Skips

Fuel isn't only food. A dehydrated athlete gets slow, cramps up, and loses focus long before they'd tell you they're thirsty, and by the time they feel it, performance has already dropped. The fix isn't chugging a bottle at the first timeout. It's drinking water steadily all day, showing up to the game already hydrated, and sipping throughout. For a normal length game, water is plenty. It's only when you get into long tournament days in the heat that a sports drink starts to earn its place, mostly for the sodium and the quick carbs between matches.

I work with a lot of young athletes and their families across Affton, South County, and the greater St. Louis area, and the ones who hold their level deep into games are almost never the ones doing extra conditioning. They're the ones who fuel like the sport actually demands. Getting explosive and staying sharp late comes down to training the right things and backing them with food, which is exactly the approach we build into our [team training program](/services/team-training). If your athlete is fading when it counts, start with the tank before you add another sprint. And if you want to see what the training side of that looks like, here's [what actually makes a volleyball player more explosive](/blog/what-makes-volleyball-player-more-explosive).