Cross Training?

I was not an athletic kid.  I enjoyed playing "army," climbing trees, tag, and Star Wars.  I didn't even really get interested in sports until after college when I took up climbing.  But in the last 10 years I have found myself drawn deeper into more sports as a way to cross train for climbing.  It began with a simple jog.  Before I knew it was running in a 5K.  Last year I ran a trail marathon for some bizarre reason.  Then I took up biking in the summertime because it was too damn hot to climb.  This year I rode in the 100 mile Tour De Rock.  Today, I hopped on a mountain bike for the first time in years.  If I am not careful, my cross training sports are going to get in the way of my rock climbing....