1, organizer + Q! u: x6 {+ r0 A, ?" s4 a2, commitment% ]" ^4 A# ^6 g. V
3, every paddler is different, some are recreational, some are serious competitors" h# I) i& z* B. M* N
4, cost4 b% |, X: ~4 R+ v/ h( N, k
5, fitness level % t) m$ C9 i r- g# z- ]! r6, whatever other factors