Four progressive challenges at threshold topped with an anaerobic burst! This is a straight-forward, 45 minute challenging ride that can easily be modified to a 60 minute ride or reduced to 30 minutes.
I’m using the term burst to mean an anaerobic hard effort sustainable between 30-60 seconds These are not sprints. Wondering what the difference is between a sprint and other types of “bursts”? We’ve got an article for that “Sprinting or Accelerating?” Check it out under Instructor>Articles.