VDOT O2 now syncs running workouts to Garmin Connect so you never leave home without your training paces. It's now easier than ever to train properly. Log in to VDOT O2, assess your current fitness, calculate and sync personalized training paces to your watch for real-time workout guidance and motivation. If you have a watch [...]

After further research and testing by Dr. Daniels we've updated VDOT training paces for anyone who is training at a score less than 39 (anyone training at 39 or above will not see any changes). Essentially, the adjusted calculation is representing a more accurate cost of running at these speeds. A race performance will still [...]

We're excited to announce age-graded VDOT levels on the app. We haven't updated anyone's score (they're still achieved by your race performances) but the level you achieve is now graded by age and gender. This update was designed by Dr. Jack Daniels and inspired by his physical education experience, which motivated him to improve fitness [...]

VDOT O2 gets social. Today, we released a brand new feature on our mobile app that allows you to overlay your photos with workout details: Click Share on your workoutSelect and crop photoChoose what to overlay (VDOT score, workout summary, route, etc.)Share to your social Make sure to tag us so we can repost your [...]