Remember like RJ said, 37yards max for IBO and 40 for ASA sanctioned shoots in Hunter Class.

The ASA i went to had the majority of the targets between 35 and 40 yards.......I didn't use anything under 30 yards for 40 targets. And that was a HUNTER class.
30 yard max should be a breeze. The majority will be in the 23-25 yard range.