Whats a good time for the 400 meters in Track for a freshman?

IM IN XC AND ITS GUNA END IN LIKE 20 DAYS AND MY 2 MILE TIME IS 12:29. I WANT TO BE A SPRINTER IN TRACK SO WHATS A GOOD TIME FOR THE 400 TO BE IN VARSITY. REAL ANSWERS FROM PEOPLE ACTUALLYY IN TRACK AND XC. THANKS