In this episode, we break down the 4 main types of quality work (aka speed work). We talk about the what, why, when, and how of each type, as well as give some examples. 

Of course, you don't want to start your speed work until your aerobic foundation is big enough, so we give guidelines on that too!

The 4 types:

• Running econony
• VO2Max
• Threshold
• Race specific