1, organizer6 h$ i& B6 U. p M9 f2 [
2, commitment* T* r- [0 w( G8 I( e5 N
3, every paddler is different, some are recreational, some are serious competitors & d5 z/ S( w/ H4, cost# b& G1 Y) T4 K9 h7 M( m
5, fitness level7 x! I) X# ^5 R! S
6, whatever other factors