This challenge was chosen by Isenhurst Rowers Row 100m 1'Rest 200m 1'R 300m 1'R 400m 1'R 500m 1'R 400m 1'R 300m 1'R 200m 1'R 100m to finish There are no restrictions. Record your time for 2500m. http://www.c2ctc.com/index.php?c_id=231