About RunTK

RunTK is a collection of simple tools to help with your training, with a focus on endurance. Everything is free and runs in your browser. No accounts, no cookies, no tracking, and no personal data collected. Your data stays yours.

Most of these tools started because I needed something specific, couldn't find it, or didn't want to pay a subscription for something that should be simple. So I built it. If you find them useful too — great. That's the whole point of putting them here.

About me

I'm just a guy who runs and obsesses over the small details that make endurance training click.

I'm not a company. There's no team, no investors, no roadmap meetings. Just someone with a passion for endurance, health, and longevity who keeps building small tools to solve problems I run into during my own training.

What I care about

Training smarter, not just harder
Tools that do one thing well and stay out of the way
Keeping things simple and respecting your privacy
The long game — health and performance for decades, not just the next race

Privacy Policy

For details on how your data is handled, see the Privacy Policy.

Contact

Questions? email [email protected]

Support RunTK

These tools are free. But if something here saved you time or made your training a little better, you can buy me a coffee to keep the legs moving.

☕ Buy Me a Coffee or gel or endurance support

No pressure. Lace up and go run.