I took the off of Kettlebell Rob's page. A good metcon but not one that will wreck me for days. Rob always has some good workouts going - http://kettlebellrob.blogspot.com/.
With a running clock, row 10 meters the first minute, 20 meters the second minute, and so on until you cannot complete the prescribed distance for the current minute. Post your distance for the last (incomplete minute), and the total distance traveled.