Who is this for?
UltraCalcPal is designed for runners doing anything from 50 km trail races to multi-day events, and the crews who feed them.
Calculators
UltraCalcPal
Ultra-marathon nutrition calculator for race-day fuelling
- Community votes0
- DR by Ahrefs0 no change since last check
Ahrefs Domain Rating set in type 14 Nov 2026, reset 13 Nov 2026.
Calculator that determines hourly carbs, fluids and sodium for ultra-marathons based on weight, duration and weather, with aid-station planning.
The story so far
UltraCalcPal is a nutrition planning tool for ultra-runners and their support crews. It calculates personalised hourly requirements for carbohydrates, fluids and sodium based on body weight, expected race duration, effort level and weather conditions. The calculator provides fuel ideas in the form of gels, chews, drink mix or real food, along with risk warnings for gut, sodium and fluid intake. For races, runners can plan aid stations, generate drop-bag lists, share plans with crew members and receive race-day forecasts with heat adjustments.
Typeset features
- Carbohydrate, fluid and sodium calculations per hour based on weight, effort and weather
- Fuel ideas in gels, chews, drink mix or real food with mixed strategy options
- Aid-station planner with up to 60 stations and drop-bag lists
- GPX file import for race route and waypoints
- Race-day forecast with heat-index adjustments
- Hour-by-hour race plan table with night-race adjustments
- Shareable private links to share plans with crew
- Printable PDF of the complete race plan
- Race-week reminder by push or email with key numbers
- Post-race review to learn from past races
Pricing
Pricing model: Freemium
Free account with demo calculator and one saved plan. Pro is €13 EUR once per plan for aid-station planner, race-day forecast, sharing, PDF, race-week reminder and learning from past race.
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UltraCalcPal metrics
| Metric | Value |
|---|---|
| Domain Rating | 0 no change since last check |
| Trust Flow | 0 no change since last check |
| Citation Flow | 0 no change since last check |
| Referring domains | 0 no change since last check |
| External backlinks | 0 no change since last check |
Ahrefs Domain Rating set in type 14 Nov 2026, reset 13 Nov 2026. Majestic set 13 Nov 2026, reset 13 Nov 2026. Link data typeset by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
UltraCalcPal domain colophon
Read the colophon
| Domain age | 4 days |
|---|---|
| Registered | |
| Expires | |
| Registrar | DropCatch.com 1134 LLC |
| DNSSEC | Not signed |
UltraCalcPal launch colophon
Measured after UltraCalcPal went live on Zivaro Launch on 13 November 2026.
- Domain Rating (Ahrefs)
- 0
- First measured 13 Nov 2026
- Trust Flow (Majestic)
- 0
- First measured 13 Nov 2026
- Referring domains (Majestic)
- 0
- First measured 13 Nov 2026
Day 0 since launch. Next receipt: day 30, 13 Dec 2026. These are measurements, not proof of cause: many things move these numbers. Figures we have not measured are left out.
Your launch, step by step
Free tips from Zivaro Launch for getting ready, launch day, the week after and what to do next.
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Questions and answers
Where do the numbers come from?
The numbers come from published sports-nutrition ranges for carbohydrate, fluid and sodium intake during long endurance events, scaled by your weight and conditions. They are a starting point to test in training, not medical advice.
Do I need an account?
Not for the demo, which gives carbs, fluids and sodium per hour without saving anything. A free account using email sign-in unlocks the full calculator and keeps one plan.
How much does it cost?
The demo and free account cost nothing. Pro costs €13 EUR once per plan with no subscription, and adds the aid-station planner with GPX import, race-day forecast, sharing, PDF, race-week reminder and post-race review.
What happens to my data?
The demo runs in your browser and sends nothing. Saved plans are private by default and shared plans are reachable only by unguessable links which you can revoke. You can delete everything from your profile at any time.
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UltraCalcPal has a free listing. The owner can unlock the full profile with a paid launch for $5:
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