Next chapter of our "Long Sprint Day": 50 and 130 yards

The last 'long sprint day' alternated between 50 and 120 yards; and this one extends the longer run and alternates 50 and 130 yard field sprints!

Flow Markers:
0:00 Intro
2:15 50 yards #1
6:45 130 yards #1
14:45 50 yards #2
20:45 130 yards #2
28:45 50 yards #3
34:45 130 yards #3
43:45 50 yards #4
49:45 130 yards #4