Indoor (25 yard) classification list which is extracted from the results database every time it is updated. Classification is based on the last three results for each compeitor and is limited to results from the last two years. Class cut offs are roughly broken down to equal segments and class boundaries are adjusted accordingly. The current classification is based on the following criteria. Class A: 607 and above. Class B: Between 595 and 607. Class C: Between 570 and 595. Class D: Below 570. These are based on decimal scoring and include the results from the DURC Open.