1, excellent: within 6.5 seconds for boys and within 7.5 seconds for girls.
2. Good: 7.5 seconds to 8.5 seconds for boys and 8.5 seconds to 9.5 seconds for girls.
3. Qualified: 8.5 seconds to 9.5 seconds for boys and 9.5 seconds to 10.5 seconds for girls.
4. Unqualified: boys are over 9.5 seconds, girls are 10.5 seconds.