Plan Every Gram. Fuel Every Hour.
Segment-by-segment nutrition planning for self-supported bikepackers, ultra runners, and endurance athletes. Build your plan. Know your resupply lists. Execute with confidence.

Built for Serious Endurance
Not a calorie counter. A complete fuel logistics system for athletes who need to know exactly what to eat, when, and how much to carry.
You Define What Matters
Track carbs and sodium for high-carb fueling, or add fat and protein for keto. Set min/max targets per hour—overall or per segment. Your strategy, your metrics.
Plan → Execute → Review → Refine
Apply plans to events. Track actual intake during execution. See where you hit targets and where you deviated. Refine for next time.
Smart Route Import
Connect Ride With GPS for public or private routes, or upload any GPX file. Waypoints and POIs automatically become segment markers—just pick which ones matter.
Resupply Shopping Lists
Self-supported? Get a shopping list for every stop. Know what to buy, the weight you're adding, and how long it'll last.
Sweat Test Analysis
Log sweat tests across conditions. Get personalized fluid and sodium recommendations based on temperature, intensity, and your body's data.
Units Your Way
Metric, US, or Imperial. Grams or ounces. Kilometers or miles. Works the way you think, wherever you are.
How It Works
From route file to race-ready packing list in three steps.
Define Your Route
Browse Ride With GPS routes or upload a GPX file. Waypoints and POIs automatically appear as checkpoint options—select the ones that matter for your fueling strategy.

Plan Each Segment
Add foods to each segment. Set quantities. Track your selected nutrients per hour with visual indicators.

Get Your Packing List
See exactly what to pack at the start and what to buy at each resupply. Track total weight, calories per gram, and water needs.

Connects With Your Favorite Tools
Import routes, sync training data, and leverage your metabolic testing.
Route library & POI import
Full analysis & Power Budget
Training sync
Works for Your Adventure
No limits on duration, mode, or dietary approach. If it's endurance and nutrition matters, FuelSport works.
Any Duration
- •4-hour training sessions
- •Day-long races
- •Week-long adventures
- •Month-long expeditions
Any Mode
- •Biking
- •Running
- •Skiing
- •Paddling
- •Rowing
- •Any human-powered endurance
Any Format
- •Self-supported
- •Crew-supported
- •Lap races
- •Stage races
- •Solo FKT attempts
Any Diet
- •High-carb
- •Keto / Low-carb
- •Mixed approach
- •Full macro + electrolyte tracking
The Closed Loop
FuelSport isn't just a planning tool. It's a system for learning what works for your body across training and racing.
Plan
Build segment-by-segment nutrition. Set hourly targets. Generate resupply lists.
Execute
Apply your plan to an event. Track what you actually consume in real-time.
Review
See planned vs. actual. Identify where you deviated and correlate with performance.
Refine
Adjust your strategy based on real data. Build a personal fueling dataset over time.
Ready to Plan Your Next Adventure?
Join athletes already using FuelSport. We're adding new testers every week.
Free during beta • No credit card required