Starting at the back of a big class like that, especially a sit-up CIK bodywork class, the draft is incredible! Being in the back is not a big deal. If you are able to run with the front runners, you can get there in a couple of laps.
Just remember though- I will be watching ;-) and I don’t put up with any sort of bump drafting, no nerfing, etc. so far, this is NOT the biggest field I have had to watch over (yet-but will be)-so you will not escape the watchful eyes of corner workers.