https://www.strava.com/activities/301981373712 x 400 @ threshold pace (6:10ish) & 90" RBI
6:12 (93")
6:03 (90")
6:08 (92")
6:03 (91")
5:57 (88")
6:08 (91")
6:10 (91")
6:06 (90")
6:06 (91")
6:09 (92")
6:09 (91")
6:03 (91")
These were challenging. First to find the pace, then to hang in the intervals, but was able to do them and recover. Good mental workout too.