1, organizer% O3 {/ R, r" x
2, commitment& [- S T1 D3 `+ m* c3 x% `2 u1 y
3, every paddler is different, some are recreational, some are serious competitors; ?7 U* X, ?5 P. l8 b7 Q9 |' T
4, cost A4 R' m3 u5 j; V# k
5, fitness level - i$ [+ y- O# ]6, whatever other factors