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What is a simple ultra nutrition plan for AC100 training runs?
Start with a repeatable hourly target for carbs, fluid, and sodium, then adjust by heat and pace after each long run. A simple plan you can execute on tired legs beats a complicated plan you cannot follow in the San Gabriels.
Last updated: 2026-02-18
What should be on your checklist?
Use this checklist to cover the essentials before race day or your next key training run.
- Set starting targets (example ranges): 40-70g carbs/hour, fluid based on heat and sweat, and sodium adjusted to conditions.
- Carry foods you can eat while climbing and descending.
- Label long-run bottles and calories by hour.
- Write post-run notes on stomach tolerance and energy stability.
What steps should you follow?
Follow these steps in order so your plan stays simple and repeatable under AC100-style conditions.
- Pick one fueling system for 3-4 long runs without changing everything each week.
- Start fueling early in the run before energy dips appear.
- Increase intake gradually if late-run fade continues despite pacing control.
- Stress-test the same plan in hotter SoCal conditions before race day.
Use these numbers as starting points, not universal prescriptions; individual tolerance varies and should be tested in training.
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What should you read next?
Use these related guides to build a full plan across training, logistics, and race-day execution.