Eat for the training you’re about to do.
Your sessions are planned to the minute. Your food usually isn’t. 2fuel works out what a session costs and turns it into meals you actually like.
Made by sports dietitians with WorldTour experience. Now in beta.
Trusted by teams and institutes
Where do you want to start?
Whether you train yourself, coach athletes or feed a whole squad.
Athletes
Know what to eat, without the math
Your day is ready around your training. Plan it with Rory, our AI coach, or with your own sports dietitian.
See the app
Coaches and dietitians
Less puzzling, more coaching
Set out the season once. Autopilot fills in the days, and you sign them off.
See the coach portal
Teams
One plan for the whole squad
From training camp to race week, with the kitchen in the loop. Every athlete still gets their own portions.
See 2fuel for teamsHow it works
Three steps. You already do the first one.
You train
Your session comes in from TrainingPeaks, Intervals.icu or your watch. Or you add it yourself.
2fuel does the math
How much energy, carbs and protein you need that day, worked out from your sport, the duration and the intensity. Not guessed.
You eat
Meals that fit those numbers and what you like to eat. Not in the mood for something? Swap it.
Built by sports dietitians who worked at WorldTour level.
Dirk Verbraak
Sports dietitian
Worked at WorldTour level in cycling. Looks after the science behind the model with Mathias.
Mathias Fluit
Sports dietitian
Has worked with several WorldTour teams. Knows what elite sport asks of food.
Robbe Willemsens
Developer
Trains at a high level himself and knows how hard it is to get your food right every single day. So he builds the app he always wanted.
20 November 2026 · Hogeschool Rotterdam
We’re having ourselves tested independently.
We have worked with the Living Lab of Hogeschool Rotterdam for a year and a half. On 20 November, five specialists look at our algorithm and our AI coach. We have no say in their verdict. Whatever comes out, we’ll put it here. Even if it’s not what we hoped.
From the Tour de France Femmes to the ice rink.
VolkerWessels and x2o plan their nutrition with 2fuel. One plan for the squad, and everyone still eats their own portions.
What is 2fuel?
2fuel works out what your training costs in energy and turns it into meals. You give it a session (sport, duration, intensity), it calculates kcal, carbs per hour and protein, and your day is planned around that. It is an app for athletes and a portal for coaches and teams.
What is the best nutrition app for endurance athletes?
It depends on what you need. 2fuel calculates your needs from each training session, plans meals around your habits and allergies with an AI coach, lets you work with a real sports dietitian in the same app, and runs in seven languages including Dutch. Hexis and The Athlete’s FoodCoach are the other apps built for the same job. We compare all three, with sources, at 2-fuel.com/compare.
What is the AI coach?
Rory is the AI coach in the app (in other languages he has another name). He starts with an intake about your sport, goal, diet and allergies, plans your meals around your training and what you like to eat, and answers nutrition questions. You confirm every change he suggests.
Does it take my allergies and diet into account?
Yes. You set your diet (vegetarian, vegan, gluten-free, lactose-free or halal) and your allergies when you start. Meals with those ingredients never appear in your plan. Our server checks that for every plan, so it does not depend on the AI.
Has 2fuel been scientifically validated?
Not yet, and we will not claim it before it is. We have worked with the Living Lab of Hogeschool Rotterdam for a year and a half. On 20 November 2026, five specialists test our algorithm and AI coach, independently of us. We will publish the outcome here, whatever it is.
Who built 2fuel?
Sports dietitians Dirk Verbraak and Mathias Fluit, who both have WorldTour experience, and developer Robbe Willemsens, who trains at a high level himself. x2o and VolkerWessels use 2fuel.