Hill Intervals 50:00 [3] 6.4 mi (7:49 / mi)
15 min WU and CD. Then on TM, 20 minutes one minute on, one minute off, 7:25 at 4% for minute on and 7:25 for minute off flat. Was able to sustain the entire 20 minutes and even decreased to 7:15 the last intervals. Hard but good.