Terms of Service
Simple, fair terms for using myRunningPace. No hidden catches.
Last Updated: April 25, 2026
The Short Version
What you need to know in 30 seconds
Free to Use
All our running calculators are free for personal and commercial use.
Use Responsibly
Don't abuse our service or try to harm others using our tools.
No Warranties
We provide tools "as is" and can't guarantee perfect results every time.
We're Human
If you have issues, reach out. We'll do our best to help.
The Service
myRunningPace provides free, browser-based running calculators and educational content. Our tools include training pace calculators, race time predictors, VO₂max estimators, heart rate zone calculators, and related running science tools. All calculations are performed locally in your browser.
Medical Disclaimer
The calculators, predictions, and content on this site are for informational and educational purposes only. They are not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any new exercise program or making significant changes to your training. If you experience pain, dizziness, or other symptoms during exercise, stop immediately and seek medical attention.
Accuracy of Results
Our calculators use established scientific models including VDOT, Riegel, and Critical Speed to generate estimates. Results are approximations based on mathematical models and may not perfectly reflect individual physiology. We make no guarantees about the accuracy of any predictions or recommendations. Always use your own judgment when applying these results to your training.
Intellectual Property
The content, design, and code of myRunningPace are the property of their respective owners. You may not reproduce, distribute, or create derivative works from our content without permission, except as permitted by applicable open-source licenses.
Acceptable Use
You agree not to misuse the Service. This includes attempting to gain unauthorized access to our systems, using automated tools to scrape content at excessive rates, or using the Service for any unlawful purpose. We reserve the right to restrict access for users who violate these terms.
Limitation of Liability
To the maximum extent permitted by law, myRunningPace and its contributors shall not be liable for any indirect, incidental, special, consequential, or punitive damages resulting from your use of or inability to use the Service. Use of the calculators and any training decisions you make based on the results are entirely at your own risk.
Changes to These Terms
We reserve the right to modify these terms at any time. Continued use of the Service after changes constitutes acceptance of the new terms. We will update the "Last Updated" date at the top of this page when changes are made.
Contact Us
If you have any questions about these terms of service, please reach out through our contact page. We're here to help.