1, organizer6 \6 y; j; c3 v- |% S& s6 G- c
2, commitment: r/ u% R9 q( p( `: }6 E
3, every paddler is different, some are recreational, some are serious competitors 4 f1 j1 ]* b O& A+ n8 d- ~) j* V4, cost, x0 Q( S6 |9 n3 \/ U
5, fitness level5 w+ g5 a; ?$ @3 B$ _" z. p
6, whatever other factors