What to Eat on a Long Trail Run: A Practical Fueling Guide

Long trail runs are a little different from road runs. You're climbing, descending, navigating uneven terrain, and often running for hours. That means your fueling strategy matters.

For a broader look at what to eat instead of gels, see our guide to running gel alternatives, including which options make sense for different distances and stomachs.

The good news? You don't need a complicated nutrition plan. You need enough carbohydrate, something you can actually stomach, and fuel that's easy to carry and eat while moving.

Here's a simple guide to what to eat on a long trail run, when to eat it, and how much you may need.

Do You Need to Eat During a Long Trail Run?

If you're running for more than about an hour, it's worth thinking about fueling during the run.

• Shorter than 60 minutes: You may not need fuel during the run, especially if you've eaten beforehand.
• 1 to 2 hours: Start practicing taking in carbohydrates during your runs.
• 2 to 3 hours: Fueling becomes much more important for maintaining energy.
• 3+ hours: Your fueling strategy can make a major difference in how you feel late in the run.

The exact amount you need depends on your body, pace, intensity, and how well you tolerate carbohydrates. The goal isn't to hit a perfect number. It's to practice fueling consistently enough that you don't end up completely depleted.

How Many Carbs Should You Eat During a Long Trail Run?

Carbohydrates are your primary source of fuel during endurance exercise, so they should make up the foundation of your trail running nutrition strategy.

• Easy starting point: Around 30 to 60 grams of carbohydrate per hour.
• Longer or harder efforts: Some athletes work toward 60 to 90+ grams per hour with practice.
• New to fueling? Start with an amount your stomach can comfortably handle and gradually increase it. Avoid trying anything new on race day!

You don't have to get all of your carbohydrates from gels. Real food, chews, fruit, sports drinks, and smoothie pouches can all contribute to your total.

When Should You Eat During a Trail Run?

One of the biggest fueling mistakes is waiting until you feel completely exhausted or hungry.

• Start early. Don't wait until you're already running out of energy.
• Eat consistently. Small amounts throughout the run are often easier than trying to catch up later.
• Use your watch. Setting a reminder can help you remember to eat when the trail gets technical.
• Adjust for effort. Steep climbs and harder efforts may make solid food less appealing.

What Should You Eat on a Long Trail Run?

The best trail running fuel is something that gives you carbohydrates, travels well, and is easy enough to eat while you're moving. Also, it's something you actually want to eat.

Easy-to-Carry Carbohydrate Sources

• Energy gels
• Chews
  
• Liquid carbs
• Applesauce
  
• Smoothie pouches

More Substantial Real Food

• PB&J sandwiches
•  Pretzels
• Goldfish
• Poptarts
• Smoothie pouches
• Rice cakes
• Mini potatoes
• Fig bars
• Pancakes
• Small tortillas or wraps

There's no single best food for trail running. What works depends on the length and intensity of your run, your personal preferences, and what your stomach tolerates. If you don't like it, you won't eat it.

Real Food vs. Gels for Trail Running

Gels are convenient and can be an effective source of carbohydrate. But not every athlete wants to get all of their fuel from gels. Or, maybe palette fatigue is real and you need variety in your fueling strategy.

Real food can give you more variety in flavor and texture, which can be especially helpful during long trail runs when the thought of another sweet gel becomes less appealing.

The most important question is simple:

Will you actually eat it when you're three hours into a run?

If the answer is no, it probably isn't the right fuel for you.

Read more: Real Food vs. Energy Gels: What Endurance Athletes Actually Need to Know →

What to Eat on a 2-Hour Trail Run

For a two-hour trail run, keep things simple.

• Eat a familiar meal or snack before you start.
• Start fueling early rather than waiting until you're hungry.
• Bring enough carbohydrate to eat consistently throughout the run.
• Choose foods that are easy to carry and easy to eat while moving.

For many runners, this is a good opportunity to practice fueling before tackling longer distances.

What to Eat on a 3-Hour Trail Run

Once you're running for three hours, fueling becomes a much bigger part of the plan.

• Start eating early in the run.
• Aim for consistent carbohydrate intake rather than one large feeding.
• Bring a mix of fuel if you get tired of one flavor or texture.
• Pack more food than you think you'll need if the route is remote or conditions are unpredictable.

This is also where real food can become particularly appealing. Having something other than gels or chews can make a long day outside feel much more manageable.

What to Eat on a 4-Hour Trail Run

A four-hour trail run requires more planning than simply throwing a couple of gels in your pocket.

• Plan your carbohydrate intake before you leave.
• Bring enough fuel for the entire run plus some extra.
• Start fueling early.
• Use a combination of foods and products that you know you tolerate.
• Consider flavor and texture variety so you don't get tired of your fuel.
• Practice the exact strategy during training before using it on a big trail day or race.

What If Food Upsets Your Stomach While Trail Running?

GI problems are incredibly common during endurance exercise. Your stomach may tolerate a food perfectly well at home and react very differently when you're running.

A few things that can contribute to stomach issues include:

• Eating too much at once
• Taking in more carbohydrate than your gut is used to
• Eating immediately before or during a hard effort
• High-fat or high-fiber foods that don't work well for you during exercise
• Dehydration
• Running at a higher intensity than usual
• Using a fuel you haven't practiced with

That doesn't mean you should stop fueling. Instead, experiment during training to find the amount, timing, and foods your stomach handles best.

Read more: Why Does My Stomach Hurt When I Run? A Guide to Runner's Gut →

What Is the Best Real Food Fuel for Trail Running?

Real food can be a great option for athletes who want something beyond gels and chews.

Good real-food trail running fuel tends to be:

• Carbohydrate-rich
• Easy to carry
• Easy to eat while moving
• Something you actually enjoy eating
• Something you've already tested during training

That might mean a banana, dates, a PB&J, rice cakes, applesauce, or a smoothie pouch.

Neve is another option. A shelf-stable smoothie pouch made specifically for athletes. Boysenberry Beet provides carbohydrate in an easy-to-eat pouch, while Tart Cherry Cacao combines carbohydrate with 5g of plant protein. Both contain fat for a more sustained energy.

The Simplest Trail Running Fueling Strategy

If you don't want to overthink your trail running nutrition, start here:

• Before your run: Eat a familiar meal or snack that you know sits well.
• Early in the run: Start fueling before you're hungry.
• Throughout the run: Take in carbohydrates consistently.
• Longer runs: Bring a variety of foods and flavors.
• Every training run: Practice your fueling strategy so you know what works before race day.

The Best Trail Running Fuel Is Fuel You'll Actually Eat

You can have the most scientifically perfect fueling strategy in the world. It doesn't help much if you can't stand the thought of eating your fuel three hours into a run.

The best fuel for a long trail run is fuel that gives you the carbohydrates you need, works with your stomach, fits in your pack, and is something you actually want to eat.

Because real food shouldn't stop at the trailhead.

Try Both Neve Flavors →