On the C2 rower:
Pull a sub-1:25/500-m pace for as long as possible
Rest 3 minutes
Pull a sub-1:30/500-m pace for as long as possible
Rest 3 minutes
Pull a sub-1:35/500-m pace for as long as possible
Rest 3 minutes
Pull a sub-1:30/500-m pace for as long as possible
Rest 3 minutes
Pull a sub-1:25/500-m pace for as long as possible
Post time maintained at each pace to comments. Scale split times as needed.