Custom | Human | Better | Cycling Coaching

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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

At the end of last year, I clearly felt that I plateaued in performance and I really wanted to try what difference a real coach would make. I was surprised that with Nate's guidance I made great improvements in the exact areas I wanted pretty quickly.

Andras N.

Nate's coaching helped me to attain all my goals for my racing season. The use of data to train hard but smart was invaluable to my improvement as a cyclist.

Anthony B.

Always planning ahead is what makes the winning athlete and Nate is just the guy to help you with that plan. I would recommend Data Driven Athlete to anyone that wants to take the next step in gaining more fitness and endurance.

Taylor K.

Data Driven Athlete delivers. Seeing that my improvement on the bike, as evidenced by the data generated from the training sessions, actually translates into better results at races - I finally made it to the podium in my most recent stage race!

Patrick V.

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

Karen M.