Age-graded tables are a series of factors and age standards which are used to compare performances at different ages in different athletic events.  Age-graded factors are generally used for ages 35 and up

To have reports show Age-Grading
  1. Go to Set-up > Report Preferences
  2. Under Meet Program/Results check Show Age-Graded Table conversions

To rank results by the age-graded mark
  1. Go to Set-up > Entry/Scoring Preferences > Entries/Results
  2. Select the option Rank results by Age-Graded mark