Related Clues:

• Humankind division
• Move swiftly
• Application form box
• Triple Crown segment
• Speedway competition
• Basis for discrimination
• Dash, e.g.
• Reason for a 98-Across
• Ethnicity
• Go really fast
• Hurdles, for one
• Box marked "M," "F", or "Yes, please!"
• Type of education
• Topic for Dr. Ruth
• Petty event?