- Begins in:
- Pittsburgh, PA, United States
- Created By:
- Chris Name
- Ozone Action. Very difficult to breathe. I ran this in 24:07, which is a 7:38/mi pace, 7.86 MPH, 435 calories burned. Between the 1 and 2 mile marks, I tried some intervals - alternating 30 seconds sprint, 30 seconds normal.