User blog comment:TotalDramaFan82498/First Post/Cannon and Timeline/@comment-2016820-20130919212853/@comment-27008299-20151112225201

No. In Total drama Ridonculous race it is confimered that Noah, Owen, and geoff are 19 meaning only 3 years have pasted since TDI-TDPI we can assume two seasons happen per year in their world:

TDI-TDA they are 16

TDWT-TDROTI the new cast is 16 while the old is 17.

TDAS-TDPI the new cast is 17 while the old are 18 (Making the TDPI cast 16)

TDPTRR-??? the 3rd gen cast is 17, 2nd gen is 18, 3rd gen is 19