4by2k r24

4by2k r24 done - chopped the warm up to 2k with varying bumps to fit it in lunch time - no drama - just nice  :-D

6:48.1 1:42.0 r24 HR 156
6:47.9 1:41.9 r24 HR 158
6:47.9 1:41.9 r24 HR 162
6:47.5 1:41.8 r24 HR 164

Garmin Data http://connect.garmin.com/activity/476509068