I am just getting into triathlons and know at this point I will continue to do them. I am only doing sprint distance and am gonna work up to Olympic distance, probably not further. I have a trek 1.1 that works fine but I want to be competitive and have noticed most fast people have full tri bikes. Is it worth it to have a tri bike at these short distances? I understand the difference between road and tri bikes just a lot of money when looking at tri bikes. Thank you in advance for any advise.