V.O2 App & Community Updates
Meet Nina Sieh Of BlackToe Run Club
Featured Coach – Nina Sieh Nina Sieh is the head coach of BlackToe Run Club, brought to you by BlackToe Running in Toronto, Canada. This training program is designed to take you from “Beginner” to [...]
VDOT Running Calculator Turns Four
It has been four years and almost 4 million calculations since the official release of Jack Daniels’ VDOT Calculator online. In that time three new versions have followed for your convenience: You Choose IFrame (embed [...]
Coaching Success Story At Byron Nelson HS
Today's featured coach is Jason Spoor of Byron Nelson High School. He's been using VDOT Coach to manage his team's training with great success. Bio: Head Coach of Cross Country and Track & Field, VDOT Certified [...]
VDOT O2 Update 3.1
We want to quickly update you on some of the latest features in our 3.1 release: 3.1 Updates: Ability to clone activity session on your calendar Ability to clone, delete and/or slide a set within a Quality [...]
VDOT O2 Update 3.0
We want to quickly update you on some of the latest added features: Recent: VDOTO2.com got a facelift to help you more easily view your workouts and visualize the different training types on your calendar If [...]
Dr. Jack Daniels: Utilizing The Treadmill To Help Prepare For Boston
[Editor’s Note: The key to training effectively for the Boston Marathon is how well you strategically incorporate undulating terrain in your workouts. But what if you don’t have easy access to undulating terrain? We asked the master on how a runner can utilize the treadmill to help prepare for the course at Boston.] By Dr. Jack Daniels [...]






