Long - 5 x 2000m rate change 24-26 / 2 min easy
Row five 2000 meter pieces. In each piece change the rate every 500m. The first 500m @ 24 spm. Then 500m @ 26 spm. 500m @ 24 and 500m @ 26. Row for two minutes at light pressure during the rest period.

Check this Concept2 workout on the ErgZone app: