Terms of Use
By using calculaterun.com, you agree to these terms. They are written in plain English on purpose. If something is unclear, email us.
1. Acceptance of Terms
By accessing or using calculaterun.com, you agree to be bound by these Terms of Use. If you do not agree, please do not use the site. We reserve the right to update these terms at any time. Continued use of the site after changes are posted constitutes your acceptance.
2. What This Site Is
calculaterun.com provides free running calculators, pace tools, training resources, and informational content for recreational and competitive runners. The tools on this site are provided for general informational and training-planning purposes only.
3. No Medical or Training Advice
The calculators, pace predictions, and training recommendations on this site are mathematical tools based on established formulas (including the Riegel race prediction formula). They are not medical advice, and they are not a substitute for guidance from a qualified coach, physician, or certified athletic trainer.
Running involves physical risk. Before beginning any training program — especially if you are returning from injury, new to running, or have any medical condition — consult a qualified healthcare professional. calculaterun.com is not liable for injury, illness, or other adverse outcomes resulting from use of this site's tools or content.
4. Accuracy of Calculators
We make every effort to ensure our calculators are accurate, but:
- Predicted race times and pace recommendations are estimates based on mathematical models. Individual results will vary.
- Formulas such as the Riegel race prediction formula have documented limitations, particularly for distances significantly shorter or longer than your reference race.
- We do not warrant that calculator outputs are error-free or suitable for any particular purpose.
5. Intellectual Property
All content on calculaterun.com — including text, calculator code, graphics, and design — is owned by or licensed to calculaterun.com. You may not reproduce, redistribute, or commercially use this content without written permission.
You are welcome to link to calculaterun.com or share individual calculator URLs for personal, non-commercial use.
6. Affiliate Links and Advertising
This site participates in the Amazon Services LLC Associates Program and may display Google AdSense advertisements. Affiliate links are identified where practical. We only recommend products we believe are relevant to runners. Affiliate commissions help keep the site free.
7. Third-Party Services
This site uses Google AdSense and may use Google Analytics and Amazon Associates. Your use of this site is also subject to the applicable terms and privacy policies of those services. We are not responsible for the content, practices, or policies of any third-party services linked to or from this site.
8. Limitation of Liability
To the fullest extent permitted by law, calculaterun.com, its operator, and contributors shall not be liable for any direct, indirect, incidental, consequential, or punitive damages arising from your use of this site or reliance on its content. This includes but is not limited to injury, financial loss, or adverse race outcomes.
9. Governing Law
These Terms of Use are governed by the laws of the Commonwealth of Pennsylvania, United States, without regard to conflict of law principles.
10. Contact
Questions about these Terms? Reach us at: info@calculaterun.com