Most runners think they need more nutrition tips.
“Tell me what to eat.” “Build me the perfect meal plan.”
They search for the best energy gels, the right electrolyte drink, or the perfect recovery shake. But after working with runners and endurance athletes for years as a sports dietitian, I’ve realized that runners don’t more tips, they need a repeatable system that works for them.
This is where the Greenletes Fueling Framework comes in.
It helps you stop guessing what to eat before, during, and after workouts. Instead of constantly wondering if you’re doing it right, you follow a simple routine that works week after week. Over time, fueling becomes second nature.
If you’ve ever finished a run feeling drained, struggled with recovery, or felt confused about what to eat around your workouts, this framework can help you build a routine that actually supports your training.
Most Runners Are Under-Fueled
One of the biggest nutrition issues I see among runners is under-fueling. Take the quiz: are you underfueling?
In fact, I would estimate that about 95% of the runners I work with are not eating enough to support their training. They may feel like they’re eating well overall, but when we zoom in on what they’re actually consuming around their workouts, there’s often a big gap.
This under-fueling tends to show up in subtle ways. Their workouts feel harder than they should. Their legs feel heavy during runs, even on easy days. Sometimes they experience GI issues, or they notice they’re extremely hungry later in the evening. Other times, they feel like every pace—even a slow one—feels difficult.
A recent conversation with an athlete illustrates this perfectly. She was running for about two hours on the weekends, but when I asked about her fueling routine, she told me she usually took two small energy chews for the entire workout.
For a two-hour effort, that’s nowhere near enough energy.
Without adequate carbohydrates, the body quickly burns through its stored glycogen and begins breaking down muscle and fat for energy. That process is inefficient and exhausting, which is why under-fueling often makes training feel much harder than it should.
This is exactly why having a fueling framework for runners can make such a difference.
Start With One Workout, Not Your Entire Week
When runners realize they need to improve their fueling, their first instinct is often to overhaul everything at once. But that approach rarely works.
Instead, the most effective way to build a fueling routine is to start with one key workout each week.
Think about the run that feels the most challenging. For some runners, that might be a long run. For others, it’s speed workouts, hill sessions, or back-to-back training days.
For me, I’ve gotten very comfortable fueling my long runs. I know exactly how many carbs I need and when to take them. But speed workouts can still leave me feeling depleted. If I were refining my fueling routine, that’s the workout I would focus on first.
Once you learn how to fuel one type of run well, you can apply that same system to the rest of your training.
How to Approach Pre-Run Fuel
The first step in the fueling framework for runners is figuring out what to eat before your run.
One rule I always share with athletes is simple: what you eat depends on when you eat.
If you’re eating close to your workout—say within 60 to 90 minutes—you’ll want something that’s mostly carbohydrates and easy to digest. That might look like a banana with a little nut butter, a granola bar, or a slice of toast with peanut butter. These foods provide quick energy without sitting heavily in your stomach.
If you have more time before your run, the options open up quite a bit. When runners have two or three hours before training, they can comfortably eat a full meal that includes carbohydrates, protein, and even a bit of fiber. Something like oatmeal with fruit and nuts, a veggie wrap with hummus, or pasta with chickpeas can work really well.
The key is simply matching the size and composition of your meal to how much time you have before you start running.
Fueling During the Run
The next part of the fueling framework is important when runs last longer than about an hour.
Your body stores enough carbohydrates to fuel roughly 60 minutes of exercise. After 60 minutes, those stores start to run low, and your energy levels can drop quickly if you’re not replenishing carbohydrates.
For longer or more intense workouts, runners generally benefit from consuming about 30 to 60 grams of carbohydrates per hour.
This doesn’t have to be complicated. Some runners use energy gels or chews, while others prefer foods like bananas, fruit snacks, or even candy. The exact source isn’t as important as the carbohydrate content.
Rather than waiting until you feel exhausted, start fueling early and continue every 20 to 30 minutes. That steady intake helps keep energy levels stable and prevents the dreaded mid-run crash.
Don’t Forget About Hydration
Hydration is another piece of the fueling puzzle that runners sometimes overlook.
Even during shorter workouts, drinking fluids regularly throughout your run keeps energy levels up. For longer or more intense sessions, adding electrolytes can help maintain fluid balance and reduce the risk of headaches or fatigue afterward.
Sports drinks can be particularly helpful during long or intense runs because they provide both fluids and carbohydrates.
The Recovery Step Many Runners Miss
The final piece of the fueling framework for runners happens after the run.
Recovery nutrition plays a huge role in how your body repairs muscle tissue and replenishes glycogen stores. Ideally, runners should consume a combination of carbohydrates and protein within about an hour after finishing their workout.
Aim for a 3:1 carb to protein ratio in a recovery snack or meal. This balance helps your body refuel quickly while also supporting muscle repair.
For many runners, a smoothie made with soy milk and fruit works well. Others might reach for cereal with plant-based milk, chocolate soy milk, or a quick snack like fruit with edamame. Liquid options are often easier if your appetite is low immediately after a run.
Later in the day, once your hunger returns, a balanced meal helps continue the recovery process.
Why a Fueling Framework Works
The reason a fueling framework for runners works so well is that it simplifies sports nutrition.
Instead of constantly asking yourself what to eat or whether you’re fueling enough, you follow the same general structure every time you train. You plan your pre-run fuel, take in carbohydrates during longer runs, stay hydrated, and prioritize recovery afterward.
After a few weeks, this routine becomes automatic.
Many runners are surprised by how much better they feel once their fueling is dialed in. Runs feel smoother, recovery improves, and workouts that once felt exhausting suddenly feel manageable.
Start Building Your Fueling Framework This Week
You don’t have to perfect everything immediately.
Start with one run this week and apply the fueling framework. Plan what you’ll eat beforehand, decide what fuel you’ll bring during the workout, and make sure you have a recovery snack ready afterward.
Once you repeat that process a few times, fueling will start to feel effortless.
And when that happens, you’ll begin to notice the real payoff: better energy, stronger runs, and faster recovery.
Join Fuel Better
If you’re ready to stop guessing about what to eat and start fueling your runs with confidence, Fuel Better can help.
Fuel Better is my coaching club for plant-based runners and endurance athletes who want a clear, repeatable system for fueling their training. Inside the program, we go deeper into frameworks like the one in this article and apply them to your specific workouts, goals, and schedule.
When you join, you’ll get:
- Monthly group coaching calls where we troubleshoot fueling challenges
- Simple fueling templates you can apply to your training week
- Meal and snack ideas designed for runners
- Direct support so you can dial in your fueling routine
The goal is simple: help you make fueling second nature so you can run stronger, recover faster, and feel better in your training.
You can try Fuel Better free for the first month, so you can see how it fits into your routine.
Let’s make fueling the easiest and most powerful part of your training.
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