Fuel Smarter.
Run Farther.

UltraFueling helps endurance athletes master their nutrition - from daily meals to race-day fueling strategies.

Who is UltraFueling for?

UltraFueling is built for endurance athletes who want a smarter, more reliable way to fuel - no guesswork, no generic advice.

You race long distances

Marathons, ultras, trail races, stage races

Your races aren't flat or predictable

Trail, elevation, heat, cold, or technical terrain

You struggle with hydration

Trail, elevation, heat, cold, or technical terrain

You want data, not guesswork

Science-based fueling instead of 'take a gel every hour'

How It Works

UltraFueling turns your race details into a personalized fueling strategy - so you know exactly what to eat and drink, and when.

01
Enter Your Race Details
Distance, duration, terrain, weather, and your body stats. No guessing, no complicated setup.
02
We Calculate Your Fueling Plan
Our algorithm adapts calories, carbs, fluids, and sodium based on effort, terrain, and conditions.
03
Execute With Confidence
Get a clear, hour-by-hour fueling plan you can follow during training or race day.

Try the free calculator

Get an instant fueling estimate based on your race, pace, and conditions - no account required.

Calculate Your Running Nutrition
Enter your running details to calculate your estimated nutrition intake.

Choose your plan

Unlock your full potential with personalized nutrition plans tailored to your training goals.

Free Trial
Try all premium features free
€0/7 days
  • Unlimited fueling plans
  • Hour-by-hour breakdown
  • Terrain + temperature adjustments
  • AI-generated fueling notes
  • Save plans
  • Export plans as PDF
Most Popular
Monthly
Best for regular training
€9/month
  • Unlimited fueling plans
  • Hour-by-hour breakdown
  • Terrain + temperature adjustments
  • AI-generated fueling notes
  • Save plans
  • Export plans as PDF
Yearly
Save 27% annually
€79/year
  • Unlimited fueling plans
  • Hour-by-hour breakdown
  • Terrain + temperature adjustments
  • AI-generated fueling notes
  • Save plans
  • Export plans as PDF
  • Save 29$ vs monthly

Frequently Asked Questions

Everything you need to know about using UltraFueling - simplified and transparent.