9-10-13 Sprint Intervals Workout

Sprint Intervals:

100yds (on grass - rolling) - 4 x 100yds - avg. time 12.9 (12.72 best time)
40yds (on grass - fast rolling) - 6 x 40yds - 4.97, 4.85, 4.78, 4.69, 4.66, 4.66