Fuelling Calculator

Set up your race, build the plan you'll actually carry, and see how it stacks up against what your body needs — carbs, fluid and sodium, hour by hour. Free, no sign-up.

1 Your raceSet your event and targets
h min

Pick a level, or dial in your exact number if you've had a sweat test (mg of sodium per litre of sweat).

Saved athlete profile — optionalSave settings for next time

Profiles stay on this device only and are never added to a shared link.

Your targets — per hour

Why these numbers
    Course-specific planAdd aid stations and collection points

    Map the course logistics so aid stations and special-needs collection appear in the execution timeline.

    Race scenarios

    Save the current race, conditions and course, then compare a cool-day, expected-day or hot-day plan side by side. Scenarios stay on this device.

    2 Your kit

    Add the products you'll actually use. Can't find one? Add it from the label. Only confirmed values are marked verified.

    3 Your plan

    Set how much of each you'll take across the whole event. Bottles can be half serves. Then check how it stacks up below.

    — builds a draft you can edit

    Does it add up?

    Hour-by-hour

    The 24 hours before

    Where most age-groupers actually come undone. The during-race plan only works if you start topped up.

    Get your plan as a PDF

    Enter your email and we’ll open the finished plan ready to save as a PDF. You’ll also receive occasional useful training emails from Moore Performance.

    Want this dialled in properly?

    This gets you close. Tuning it to your gut, your sweat and your race is what coaching's for — let's build yours.

    Talk to a coach →

    General guidance only — not individual nutrition or medical advice. Carb, fluid and sodium needs vary hugely between people; sweat sodium especially. Practise your fuelling in training before you race it, and check with a qualified professional for specific medical or dietary needs. Product values are from manufacturer labels where marked verified; unverified or custom entries are estimates.