Discover 6 Whole Food Alternatives to Gels for Running. These natural alternatives provide fast carbs and steady energy for long runs and marathon training!

Forget GUs, gels, and other ultra-processed sports fuels. If you want steady energy and better digestion during long runs or endurance workouts, whole foods can be a powerful alternative.

Real foods provide the carbohydrates, glucose, and nutrients your body needs to maintain stamina without the artificial ingredients often found in traditional sports fuel products. For many athletes, they are easier to digest and just as effective for maintaining energy levels.

When I first started marathon training, I rarely thought about fueling during a run. In fact, I barely even drank water during workouts. Looking back, that definitely was not ideal.

Once my long runs started creeping past the one-hour mark, I quickly learned that intra-workout nutrition matters. During intense endurance exercise, the body’s glycogen stores typically last about 60 minutes. After that, you need additional carbohydrates to maintain energy, avoid fatigue, and keep performance strong.

Fueling during endurance workouts helps replenish those energy stores and keeps your body performing at its best.

6 Natural Alternatives to Gels for Long Runs

While many runners rely on gels or chews, I found they often caused stomach discomfort and were difficult to digest. Instead, I returned to whole food options made with simple ingredients that provide the same fast-acting carbohydrates without the processed additives.

Below are some of my favorite whole food endurance fuel options for long runs, marathons, cycling, and other endurance workouts.

Bananas

Bananas are one of the best natural energy foods for runners. They are lower in fiber than many fruits but higher in easily digestible carbohydrates and natural sugars.

Their soft texture makes them easy to eat mid-run, and they provide a quick burst of glucose to help maintain energy levels. Bananas also contain potassium, which supports muscle function and hydration during endurance exercise.

100% Fruit Squeeze Packs

Fruit puree squeeze packs are a convenient, portable option for fueling on the run. Many brands offer simple blends made with nothing but pure fruit.

You can find these in the snack aisle or even the baby food section. They are easy to carry, quick to consume, and provide fast-digesting carbohydrates without the stickiness or artificial ingredients of traditional gels.

Raw Fruit and Nut Bars

Simple fruit-based energy bars are another excellent whole food option for endurance athletes. Bars made primarily from dates, fruit, and nuts provide natural carbohydrates along with small amounts of healthy fats for sustained energy.

Look for bars with minimal ingredients and no added sugar. Mini versions can be especially helpful during long runs when you want smaller portions of fuel spaced throughout your workout. I recommend Skout Organic kids bars. Code HEALTHYHELPER saves on your order!

Steamed Sweet Potato

Sweet potatoes are a nutrient-dense carbohydrate source packed with vitamin A, antioxidants, and anti-inflammatory compounds.

For endurance fueling, steam and mash them ahead of time and pack them in a small reusable pouch or bag. Their starchy carbohydrates provide steady energy, making them a surprisingly effective natural fuel option during longer endurance efforts. I get mine from Melissas’s Produce. Code HEALTHYHELPER saves on your order!

Eat Smash Foods Jam Packs

For a portable, real-food alternative to energy gels, Eat Smash Foods Jam Packs are a great option.

These single-serve fruit jam packs provide quick-digesting carbohydrates from real fruit, making them ideal for fueling during long runs or endurance workouts. They are easy to carry, simple to open mid-activity, and deliver a fast burst of energy without artificial ingredients.

Because they are made with real fruit, they provide natural sugars that help replenish glycogen stores and keep energy levels stable during extended training sessions.

Natural Delights Medjool Dates

Medjool dates are one of my absolute favorite whole food endurance fuels.

They are naturally sweet, incredibly nutrient dense, and easy to carry on long runs. Dates provide a concentrated source of carbohydrates and natural sugars that deliver quick energy when you need it most.

Beyond energy, they also contain 16 vitamins and minerals including potassium, magnesium, iron, and vitamins A and C. That extra nutrition can help support endurance performance and aid recovery after your workout.

Why Whole Foods Work for Endurance Fuel

Whole foods can be just as effective as traditional sports nutrition products when it comes to maintaining energy during endurance exercise.

They provide the carbohydrates your body needs while also offering additional nutrients that support performance and recovery. For many athletes, they are also easier on the stomach compared to processed gels and chews.

If you struggle with digesting traditional sports fuel, experimenting with whole food options may help you find a strategy that works better for your body.