"That's the ultimate disappointment. When you can do more but you don't." - Justin Williams. Santa Monica native Justin Williams is a high-intensity fitness trainer who runs to train and loves a little hip hop to power him through his lows.
Don't forget to share your story of why you run on Instagram and tag #whyirunjaybird for a chance to win a pair of Jaybird headphones.
To learn more about the series visit:
https://jaybird.co/thisiswhyirun