1, organizer 1 w n* W5 n" i2 T2, commitment& o, `& a6 k% Y5 Z
3, every paddler is different, some are recreational, some are serious competitors $ h1 F( m$ o3 Y, H4, cost # H Q' o: f5 r% e* y+ J5, fitness level & T3 M9 K! |9 l% U6, whatever other factors