| What it does | Free online digital clock with seconds, timer, stopwatch, and alarm
| Ultra-marathon nutrition calculator for race-day fuelling
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | All tools are free with no subscription or payment required.
| 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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| Key features | - Digital clock with seconds and date display
- Multiple display styles: minimal, flip, analog, scenic
- Fullscreen mode for classroom or second screen
- Countdown timer
- Stopwatch with lap support
- Online alarm with custom sounds
- World clock for multiple time zones
- Meeting time planner comparing working hours
- Pomodoro timer
- Customizable display options and themes
| - 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
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| What makes it different | - Completely free with no account required
- Works on all devices without installation
- No promise of alarm accuracy after closing browser
- Settings persist in browser with export option
- Accurate to device time with timezone customization
| - Demo calculator requires no account and sends nothing to the browser
- One-time €13 EUR payment per plan with no subscription
- Personalised calculations based on published sports-nutrition ranges scaled to your weight and conditions
- Plans are private by default with revocable sharing links
- No ad trackers and ability to delete all personal data
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 24 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 7 | 0 |
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| Citation Flow (Majestic) | 25 | 0 |
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| Referring domains (Majestic) | 75 | 0 |
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Clockbeam
UltraCalcPal