Custom | Human | Better | Cycling Coaching

New on the Blog

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

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.

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

Marco C.

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

Len B.

End of the day it’s about numbers and in 3 months Nate has taken my FTP from 280 to 315. The guy looks at every detail….every one. Things I am interested in for sure but frankly don’t have time to pay a ton of attention to. I’ve found the ideal coach and a solid friend in Nate.

Joe R.

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.