Short - 5000m with rate changes every 1000m: 28-24-20-24-28
Row for a total of 5000 meters at a sustainable intensity, varying your stroke rate as follows: row 1000 meters @ 28 spm, 1000 meters @ 24 spm, 1000 meters @ 20 spm, 1000 meters @ 24 spm, and 1000 meters @ 28 spm.
Check this Concept2 workout on the ErgZone app: