Really nice image! What a capture of intense concentration you got. I like the perspective that the person in the background adds. Only niggle is that I wish I could see his hands. Favorite part is that purple rope that draws my eye right in to the climber.
Very nice take on the challenge - would have worked well in Perspective, too. Nice color, nice composition with the guy on the ground. One nit - would have been nice to see the hands if possible.