I have a lot of sporty friends. They will come on an mtb fun ride once per yr. But will not race. My thoughts are:
1. Equipment. They do not own half decent bikes
2. Technical assist: they do not understand how bikes work...
3. Fear: they are happy to enter various running events but seem to think that mtb racing us much more serious and out of their league.
Well they are my thoughts. I drive my friends insane trying to get them to race :( they call me a Jehovah witness...