MC and ATV Racing – Pre-Register Online day before race 12:01 a.m. to 11:59 p.m.-(times can vary)Strongly Encouraged. No Additional Fees. Pay at Track. Go to the Race TN Series Website. Find the Schedule/Pre Registration Tab Click the green tab below it Arrive at track and pay at registration booth. CASH ONLY!! Each round has a $5.00 membership fee per rider NOT per class. Check details below for approximate time frames for each event