Making helpful stuff

Will this run kill you?

I build tools at the intersection of data, weather, and human performance. Peek into the first two years of building Whether To Run.

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Photo: sporlab / Unsplash

Projects

Running · Weather · Health

WhetherToRun

A safety-first running weather app that tells you how long you can run before UV, heat, cold, or storms put you at risk — calculated from real science.

whethertorun.com →

Writing

Apr 2026

Two years building a weather safety app for runners — here's what I learned

UV, WBGT, windchill, and why simplicity is the hardest engineering problem. Announcing WhetherToRun.

Running Product Weather

Coming soon

Let's talk running, weather, or building.

I'm always happy to hear from fellow runners, builders, and anyone with opinions about outdoor safety.

Will this run kill you?

WhetherToRun

Two years building a weather safety app for runners — here's what I learned

More posts on the way

Let's talk running, weather, or building.