Running Pace Calculator Using HTML, CSS and JavaScript with Source Code

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Welcome to the Running Pace Calculator! This intuitive web app helps runners of all levels calculate their pace, speed, and projected race times with ease. Built with HTML, CSS, and JavaScript, it provides instant feedback on your running performance, helping you train smarter. Whether you're preparing for a 5K or a marathon, this tool offers personalized training paces and converts between kilometers and miles effortlessly.

With a clean, modern design, the calculator features a dark/light mode toggle for comfortable viewing in any environment. Simply enter your distance and time, and get detailed insights, including race predictions and optimal training zones. Fast, accurate, and mobile-friendly, it's the perfect companion for runners looking to optimize their workouts. Try it now and take your running to the next level! πŸƒβ€β™‚οΈπŸ’¨

You may also check this simple HTML, CSS and JavaScript project:

✨ Key Features:

βœ… Pace Calculation – Enter distance and time to get your pace per kilometer/mile.
βœ… Speed Calculation – Automatically converts pace to speed (km/h).
βœ… Race Time Projections – Predicts finish times for 5K, 10K, half marathon, and full marathon.
βœ… Training Paces – Recommends optimal training paces (Easy, Tempo, Interval, Speed).
βœ… Unit Conversion – Works with kilometers, miles, and meters.
βœ… Dark/Light Mode – Toggle between themes for comfortable viewing.
βœ… Mobile-Friendly – Responsive design for all devices.

πŸ› οΈ Technologies Used:

  • HTML5 – Structure and layout

  • CSS3 – Styling and animations

  • JavaScript – Dynamic calculations and interactivity

  • LocalStorage – Remembers theme preference

πŸ“– How to Use:

Enter Distance

  • Input a number (e.g., 10)

  • Select units (km, mi, or m)

Enter Time

  • Fill in hours, minutes, and seconds (e.g., 0h 45m 30s)

Click "Calculate Pace"

  • Instantly see your pace, speed, race projections, and training zones!

Toggle Dark/Light Mode (πŸŒ“ button) for better visibility.

Sample Screenshots of the Project

Landing Page

Dark Mode

Sample Inputs

Result

How to Run?

  • Download the provided source code zip file.
  • Extract the downloaded zip file.
  • Open the html file and you are now ready to go!

Video Demonstration for Installation/Setup:

Conclusion:

In conclusion, the Running Pace Calculator is an essential tool for runners seeking to optimize their training and race performance with precise pace and speed calculations. By combining a sleek, user-friendly interface with powerful functionality, this web app helps athletes of all levels train smarter, set realistic goals, and track their progress effortlesslyβ€”all in just a few clicks. Start using it today and elevate your running experience! πŸš€πŸ…

That's it! I hope this "Running Pace Calculator Using HTML, CSS and JavaScript" will assist you on your  programming journey, providing value to your current and upcoming projects.

For additional tutorials and free source codes, explore our website.

Enjoy Coding :>>

Note: Due to the size or complexity of this submission, the author has submitted it as a .zip file to shorten your download time. After downloading it, you will need a program like Winzip to decompress it.

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