Data Driven Athlete - Train Smarter | Eat Better

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IronOS on Android

July 10, 2026July 10, 2026 Nate Dunn MS, CSCS®

Two months ago, I finished up version 1.0 of IronOS. To say that working with AI to build and implement 15 years…

Redefining Progress in Strength Training

May 19, 2026 Nate Dunn MS, CSCS®

“Essentially, all models are wrong, but some are useful.” George E. P. Box I’ve spent over 200 hours testing IronOS…

Building a Better Strength Training App

May 14, 2026May 19, 2026 Nate Dunn MS, CSCS®

I’ve been using some variation of training software since my first Polar heart rate monitor in 1999. As I went…

Athlete Testimonials

Since working with Nate, the transformation in me, as a rider, has been no less than phenomenal.

Karen M.

Nate's enthusiasm for encouraging athletes to pursue their goals, together with his reliance on facts informed by science, helped me to experience a series of road-racing "wins" that far exceeded even my imagination.

Don C.

I am amazed at how quickly my cycling improved working with Nate! It was pretty cool to start up the group ride season and have friends comment on my improved cycling.

Susan H.

I had a great experience working with Nate! He helped me understand my training, set up goals, and measurably improve my cycling performance.

Tom C.

Working with Nate has been a great experience and has led to incredible improvements in my cycling ability and racing performance.

Chris F.