Grumpy Runner

Marathon coach & workout tracker for Apple Watch + iPhone

Works with HealthKit
Your workout routes and data are stored securely on your Apple device. Grumpy Runner works together with other fitness apps from Apple.

Customize it your way
Choose the metrics you want to see on your Apple Watch during runs.

No account / no tracking
No need to log in, remember a password, or worry about your private information,

Eli Kahn

2025 4x200 Illinois State Champion

Grumpy Runner Journal

Featured
Featured runner: Eli Kahn
Featured runner: Eli Kahn

Meet Grumpy Runner athlete Eli Kahn, 2025 4x200 Illinois State Champion. Eli’s looking sharp in his Grumpy Runner gear 🥇

Beta test Grumpy Runner with TestFlight
Beta test Grumpy Runner with TestFlight

Join the Grumpy Runner beta test program. To get started, install Apple’s TestFlight app on your iPhone.

First run of the year: Abominable Snow Race
First run of the year: Abominable Snow Race

Grumpy Runner had a blast running and leaping over obstacles in Lake Geneva, Wisconsin at the 2026 Abominable Snow Race. See you there next year ❄️

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