Not sure how many cars were entered, but the field size was capped at 26 per the 68th Race of Champions Competitor Guide
68th Annual Race of Champions 250 Qualifying Procedure at Lake Erie Speedway:
• 26 Car Field maximum.
• 26 Car Field maximum. (Two (2) Provisional positions available to the Top-15 in the current championship standings.) Provisional starting positions will be awarded to
the first (two) 2 drivers in the Top-15, who have failed to qualify for the feature race provided the competitor that is eligible for the Provisional practices and makes
an attempt to qualify through the qualifying races.