thank you for your suggestion. A while ago we got a similar feature request about having ones current rank displayed in competitions. I have added your idea to our feature whishlist.
While I personally think its a nice idea to have this feature, there are currently some technical hurdles to overcome for it to work. The rankings are highly dynamic, so they need to be recalculated every time the track list is updated, which would impact database performace quite a bit. We need to think about some kind of caching for the ranking tables first, so we can not make any promises when it will be implemented right now.