End the Guesswork That's Sabotaging Your Race Times

Triathlon training is complicated enough. Your nutrition shouldn't be. You're already juggling swim technique, bike power zones, and run pacing—the last thing you need is another complex system to figure out.

That's why Fuelin make sense for serious athletes. No food restrictions that derail your routine. No complicated timing calculations. No more wasting hours on nutrition that doesn't even work. No guessing games that leave you bonking at mile 20. Just precision nutrition that adapts to your training load, syncs to your favorite platforms, and delivers exactly what your body needs for every workout.

Stop overthinking fuel. Focus on what matters: getting faster, stronger, and crossing finish lines with energy to spare.

Los geht's
5,000,000+
aufgezeichnete Workouts
140+
Länder mit Fuelin Athleten
87%
geben FUELIN 5 Sterne

Vorgestellt in

Fuel wie die Profis—verfügbar für jeden Athleten

Wir fühlen uns geehrt, dass Athleten aller Hintergründe, Altersgruppen und Erfahrungen uns vertraut haben, um sie auf ihrem Leistungsweg zu unterstützen. Hergestellt für Sportler, aber verfügbar für jeden mit einem Ziel!

Jan Frodeno
Jan Frodeno
Triathlete
Triathlete
Holly Lawrence
Holly Lawrence
Triathlete
Triathlete
Daniela Ryf
Daniela Ryf
Triathlete
Triathlete
Ben Kanute
Ben Kanute
Triathlete
Triathlete
Justin Barcia
Justin Barcia
Motocross and Supercross
Motocross and Supercross
Kyle Smith
Kyle Smith
Triathlete
Triathlete
Eloise du Luart
Triathlete
You're Losing 5+ Hours a Week to Nutrition... And It's Still Not Working.

Between meal planning, macro tracking, race-day fueling research, and second-guessing every snack, most triathletes burn hours they don't have on nutrition that still lets them down. Fuelin replaces all of that. Connect your training platform, and your plan builds itself. It adjusts daily based on your actual workload. No spreadsheets. No calorie math. No Sunday night deep dives into "what should I eat before a long ride." Just open the app, see today's plan, and get on with your life.

Fuel Your Purpose in
1-2-3

TRAINIEREN
01

Seamlessly integrate your training plan.

Enter your workouts or connect to your training app.
ERNÄHREN
02

Learn how to fuel just right.

No More Guesswork. See exactly what, when, and how to eat to perform your best.
GEWINNEN
03

Fuel Smarter. Train Harder. Race Stronger.

With Fuelin, every meal powers you toward your goals—strong and energized.
Add Training Activity
Enter your weekly exercise schedule in Fuelin
Sync Workouts
From leading training platforms and fitness trackers including TriDot, TrainingPeaks, Humango, Final Surge, Strava, and Garmin.
Fast & Smart Food Logging
Our AI food tracking makes it easy to stay on track
1 Avocado?
1 or 2 Cups Rice?
2 or 3 Eggs?
Oatmeal?
Maurten Gel?
Clif Bar?
Chicken Breast?
Salad?
No More Guesswork
The Fuelin Way
Progress Check
Easily keep track of your weight, sweat rate, fueling and more...
Body Data
You’ve lost 9.7 lbs (21.4%)
188.7 lbs
Start
179 lbs
Current
143.3 lbs
Goal
Whatever Your Goal
Whether you’re chasing a podium, setting a PR, or just feeling better during workouts, we’ll guide you every step of the way!

Fuel Your Purpose in 1-2-3

TRAIN
01

Sync your training, we handle the rest.

Enter your workouts or connect to your training app.
Add Training Activity
Enter your weekly exercise schedule in Fuelin
Sync Training Plan
Or connect to TrainingPeaks, TriDot, Humango, Final Surge and Run Dot
FUEL
02

Learn how to fuel just right.

No More Guesswork. See exactly what, when, and how to eat to perform your best.
Fast & Smart Food Logging
Our AI food tracking makes it easy to stay on track
1 Avocado?
1 or 2 Cups Rice?
2 or 3 Eggs?
Oatmeal?
Maurten Gel?
Clif Bar?
Chicken Breast?
Salad?
No More Guesswork
The Fuelin Way
WIN
03

Fuel Smarter. Train Harder. Race Stronger.

With Fuelin, every meal powers you toward your goals—strong and energized.
Progress Check
Easily keep track of your weight, sweat rate, fueling and more...
Whatever Your Goal
Whether chasing podiums, breaking PRs, or feeling your best, Fuelin guides you all the way.

Fuelin Works
Here’s The Proof

Community

Jetzt beitreten
I've felt increased energy, better recovery and more consistency.

“Before finding Fuelin I wasn't aware that a system existed that could accurately account for my training on a day to day basis based on the training my coaches set for me. It just takes the guesswork out of the whole process and has empowered me to properly fuel my body. I've felt increased energy, better recovery and more consistency. Also, practicing my race nutrition in training has led to greater confidence in my plan and becomes more second nature so that I can make sure l hit it in a race.”

Holly Lawrence
Triathlete
I've felt increased energy, better recovery and more consistency.

“Before finding Fuelin I wasn't aware that a system existed that could accurately account for my training on a day to day basis based on the training my coaches set for me. It just takes the guesswork out of the whole process and has empowered me to properly fuel my body. I've felt increased energy, better recovery and more consistency. Also, practicing my race nutrition in training has led to greater confidence in my plan and becomes more second nature so that I can make sure l hit it in a race.”

Holly Lawrence
Triathlete
I've felt increased energy, better recovery and more consistency.

“Before finding Fuelin I wasn't aware that a system existed that could accurately account for my training on a day to day basis based on the training my coaches set for me. It just takes the guesswork out of the whole process and has empowered me to properly fuel my body. I've felt increased energy, better recovery and more consistency. Also, practicing my race nutrition in training has led to greater confidence in my plan and becomes more second nature so that I can make sure l hit it in a race.”

Holly Lawrence
Triathlete
I've felt increased energy, better recovery and more consistency.

“Before finding Fuelin I wasn't aware that a system existed that could accurately account for my training on a day to day basis based on the training my coaches set for me. It just takes the guesswork out of the whole process and has empowered me to properly fuel my body. I've felt increased energy, better recovery and more consistency. Also, practicing my race nutrition in training has led to greater confidence in my plan and becomes more second nature so that I can make sure l hit it in a race.”

Holly Lawrence
Triathlete
I've felt increased energy, better recovery and more consistency.

“Before finding Fuelin I wasn't aware that a system existed that could accurately account for my training on a day to day basis based on the training my coaches set for me. It just takes the guesswork out of the whole process and has empowered me to properly fuel my body. I've felt increased energy, better recovery and more consistency. Also, practicing my race nutrition in training has led to greater confidence in my plan and becomes more second nature so that I can make sure l hit it in a race.”

Holly Lawrence
Triathlete
Ich habe mehr Energie, schnellere Erholung und mehr Konstanz gespürt.

„Bevor ich auf Fuelin stieß, war mir nicht bewusst, dass es ein System gibt, das mein tägliches Training genau abbilden könnte, basierend auf dem Training, das meine Trainer für mich festgelegt hatten. Es macht das Rätselraten im gesamten Prozess überflüssig und hat mich in die Lage versetzt, meinen Körper richtig mit Energie zu versorgen. Ich habe mehr Energie, bessere Erholung und mehr Konstanz gespürt. Außerdem habe ich im Training meine Rennernährung geübt. Das hat zu mehr Selbstvertrauen in meinen Plan geführt und ist mir mehr zur zweiten Natur geworden, sodass ich sichergehen kann, dass ich ihn bei einem Rennen treffe.“

Holly Lawrence
Pro Triathlete
Fuelin treibt meinen Erfolg auf der Ultradistanz an

„Fuelin war ein Schlüsselfaktor für mein Training für Ultradistanz-Triathlons. Fuelin hat mir geholfen, mein Training und meine Rennen mit einem durchweg starken Gefühl zu beenden und mich schneller zu erholen, was mein Training effizienter gemacht hat.“

Jonathan Perez
Age Group Triathlet
Fuelin durchdringt den Lärm — Ernährungskompetenz, der ich vertraue

„Ich bin glücklich, dass wir im Informationszeitalter leben. Es ist jedoch wichtig zu wissen, welche Informationen wertvoll sind. Ich bin bei Fuelin und dem Expertenteam auf dem Gebiet der Ernährung in sicheren Händen, damit ich meine besten Leistungen erbringen kann.“

Kyle Smith
Pro Triathlet
Nutrition Nailed — ein entscheidender Faktor

„Fuelin hat mir geholfen, meine Ernährung auf den Punkt zu bringen, nicht nur für meinen Sport, sondern auch für meine allgemeine Gesundheit. Diese App ist ein echter Wendepunkt für Ausdauersportler!“

Colleen Baker
Wettkampfradfahrerin
Ernährung ist für den Erfolg unserer Athleten unerlässlich

„Als ursprünglicher Partner von Fuelin seit Gründung habe ich die enorme Wirkung auf Athleten aller Leistungsstufen miterlebt — von Purple Patch-Profis bis hin zu Menschen, die nach mehr Energie, Gesundheit und Leistung streben. Es ist ein integraler Bestandteil der Purple Patch-Programms.“

Matt Dixon
Head Coach Purple Patch Performance + IRONMAN Master Coach
My Best Race Yet

„Um es kurz zu machen: Ich ging beim Ironman Indian Wells 70.3 an den Start, war gesund, fühlte mich frisch und hatte ein ideales Renngewicht. Ich beendete das Rennen mit meiner schnellsten Laufleistung, einer persönlichen Bestleistung und einem Platz in den Top Ten der Alterklassenathleten.“

Bob Harris
Masters Triathlete
Fuelin optimiert die Ernährung für Höchstleistungen — bis hin zu Olympia 2028 in LA

„Fuelin hat die Ernährung meiner Athleten grundlegend verändert und ihnen geholfen, Höchstleistungen zu erbringen, wenn es darauf ankommt.“

Parker Spencer
Project Podium USA Triathon Head Coach
Einfach, effektiv, wegweisend

„Es ist einfach, es ist einfach und es ist sehr effektiv. Es macht mein Coaching und meine eigene sportliche Leistung so viel besser.“

Lauren Vallee
Coach Valiant Endurance/ Elite Athlete
Mehr als Ernährung — Fuelin erklärt und befähigt

„Ich liebe Fuelin wirklich! Nicht nur wegen der Ernährungsberatung in der App, sondern auch wegen der großartigen Ausbildung, die ich gewonnen habe.“

Alex Thio
Age Group Triathlete
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