I (we?) completed a half marathon on Sunday at reasonable pace for my substitute long/steady piece (2:08.8/500m; total time 1:30:37.8 ), which increased my confidence in this week's PP pacing.
Today was 6x 1km. Pace boat set to 2:00/500m as a fall back, with the hope of maintaining 1:58:
That would be around 7% slower than my last Waterrower run, which is bang on my prediction