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Ultra-endurance nutrition

Ultra-endurance amplifies all nutrition errors. The plan must be robust, progressive, and able to withstand decision fatigue.

Outline

Section 01

1) Systemic fatigue in ultra

On ultra, fatigue, heat, lack of sleep and variability of intensity disrupt food intake.

The plan must therefore be redundant: several intake formats and clear action thresintakes.

Point 1

Set warning signals before loss of control.

Point 2

Provide very digestible fallback formats.

Point 3

Avoid protocols that are too complex to execute when tired.

Section 02

2) Continuous control

Ultra management is based on short loops: check the intake, the volume, then the tolerance, and correct progressively.

The goal is to stay in a functional zone rather than searching for a perfect target every hour.

Point 1

Review the plan every 30 to 45 minutes.

Point 2

Correct one variable at a time.

Point 3

Document deviations to refine future races.

Section 03

3) Night strategy and end of the test

Nighttime often increases intake errors. The protocols must then become even simpler and more readable.

The end of the test requires conservative logic: maintaining tolerable intakes rather than forcing unsustainable doses.

Point 1

Prepare a specific plan night before departure.

Point 2

Anticipate the drop in digestive tolerance at the end of the event.

Point 3

Keep a backup liquid option easily accessible.

Execution checklist

Point 1

Design a main plan and two digestive backup plans.

Point 2

Set a control loop every 30 to 45 minutes.

Point 3

Prepare a distinct and tested nighttime strategy.

Point 4

Stick to cautious formulations without promising results.

FAQ

What is the main factor for failure in ultra?

Often the accumulation of small errors in intake and hydration over a very long period.

Should we completely change our strategy at night?

Not totally. Above all, we must simplify the formats and strengthen the control checkpoints.

Can we aim for high contributions throughout the race?

It depends on the profile and digestive training. A tested progression remains more reliable than an invalid aggressive goal.

Scientific references

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