How many carbohydrates per hour for endurance?
The correct carbohydrate target for endurance is not a universal value, but an executable range depending on duration, intensity and digestive tolerance.
Article outline
Key takeaways
Point 1
Use a target range rather than a single number.
Point 2
Prioritize regularity of intake throughout the session.
Point 3
Increase in short increments while monitoring digestive tolerance.
Point 4
Link the carbohydrate target to the volume of drink and sodium.
1) Basic principle: target range and not magic value
In endurance, the carbohydrate target must take into account the duration, intensity and digestive history. A single value ignores these differences and increases the risk of poor execution.
A pragmatic framework consists of starting in a conservative zone, validating the actual intake, then increasing only if the tolerance remains stable.
2) Practical method for setting the target
Step 1: define your main scenario (long session, target race, probable weather). Step 2: set a realistic g/h target. Step 3: Translate this target into intakes every 15 to 20 minutes.
The plan must be concrete: number of doses, quantity per dose, form of intake (drink, gel, mix) and emergency plan if the heat changes.
3) Progress over 4 to 6 weeks
The effective progression is gradual: slightly increase the carbohydrate flow and keep the rest stable (water volume, sodium, timing).
If digestive discomfort appears, temporarily return to the previous level then adjust one variable at a time.
4) Integration with the DYF calculator
The calculator allows you to convert the carbohydrate target into quantities per hour then into a usable DIY recipe. This step avoids rough estimates.
The best plan is the one that you can reproduce in training and execute without hesitation in competition.
FAQ
Can we aim for a high target from the first session?
Better to progress. A lower but stable target is often more effective than an unheld high target.
Should I modify sodium and carbohydrates at the same time?
Ideally no. Adjusting one variable at a time helps you understand what really improves tolerance.
Does the type of sport change the target?
Yes. Cycling often allows a more regular intake than running or trail running.
What is the main criterion for success?
Maintain the planned target until the end of the effort with stable digestion.
References
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