Privacy

All calculators on Zots Run run in your browser. The times and distances you enter are not sent anywhere or stored.

What we store

Your browser may remember your theme preference (light/dark) in local storage.

Analytics

We use privacy-friendly, cookieless analytics (aggregate page views only).

Race information

Race dates and entry windows are collected from public sources and may change. Zots Run is an independent site and is not affiliated with any race organiser or with Abbott World Marathon Majors. Always confirm details on the official race website.

Contact

Reach the author, Oleksandr Zotsenko, via GitHub.