Custom | Human | Better | Cycling Coaching

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EFT, The Athlete Superpower

August 14, 2026August 14, 2026 Nate Dunn MS, CSCS®

I’ve never had a pet. Well, that isn’t entirely true. In the 3rd grade I had a “pet” snake. My…

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…

Athlete Testimonials

With the help of Nate and DDA I was able to quickly move up and get Faster. In the span of 2.5 years, I went from cat 5 to 2x state champion and 2x national medalist.

Jack W.

Nate is the most well rounded and up to date USAC certified coach you will find in Northern California.

Len B.

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.

When you train with DDA you feel like you're getting the attention to detail that is typically reserved for UCI professionals.

Marco C.

The end product has been customized training plans that appease my work-life schedule and a relationship that has helped me improve year over year.

Casey F.