What u Need : A Jailbroken iDevice !, iGameguardian or GameGem or GamePlayer. and Need For Speed no limits latest Version.
So if you do a race in tournaments u get a rank write it down to iGameGuardian go back to Need For Speed an make a race again write your new rank in iGameGuardian do that until u have 1 value and change that to 1 if u go back to Need For Speed and tournaments u see Need For Speed refreshes and you are now rank 1 but in 20-30 minutes the rank will be gone and your old rank will be back so do that 5-10 minutes before the tournaments series end's and u will get the reward from the first place !!!
Youtube Video for the Proof here :