1, organizer! Z0 L3 _( y& y2 W. w1 l) p
2, commitment5 [ D- m/ C0 h; o: V6 A( s
3, every paddler is different, some are recreational, some are serious competitors" D* A9 |- F) H( H6 y! }/ L
4, cost 1 g Z: A& J1 O' S$ K0 h5, fitness level# _" d. J$ ]0 m5 A5 Y
6, whatever other factors