Flexibility is the Key to Week 4 of RnR SD Half Marathon Training

Whew! I did my first Yasso 800’s on Sunday! I’m so glad that it’s in the books. To be perfectly honest, I was so nervous about running this new workout. This is a marathon (or half marathon) predictor kind of workout. So, I was worried that this one would tell me I was absolutely crazy … More Flexibility is the Key to Week 4 of RnR SD Half Marathon Training