1, organizer7 |9 s* M+ J6 z3 l
2, commitment, v* X' j7 l. P. d% m3 u; i, H
3, every paddler is different, some are recreational, some are serious competitors " ?: H' z0 c" R5 b+ t$ g) g Q4, cost( e& c3 Y1 e7 w
5, fitness level [$ r( h Q1 ^/ h1 e( }' V5 j9 Y
6, whatever other factors