Indoor Rowing - Session of the Week
Interval Time 2 or 3x 15min (4m/1m/4m/1m/4m/1m) rest 3:00 ~55%/~65%+ rates 20/24 2k PB pace +18-20 seconds at r20, alternating with +12-15 seconds at r24.

Check this GARAGEATHLETE Fitness workout on the ErgZone app: