I think that you can probably gain some useable strength from working out, but I wouldn't be the one to coach you through that. Swimming/running/biking are pretty specific movements, and it would be good to consult someone that has a good understanding of what is needed. Maybe try hitting up a triathlon forum and ask that question? Bet you will get lots of useful info from them.

Not to say I want you to go away, but you are talking outside of my zone now.