Blue Mountain League Middle School Track Division Calculation Method
1.  Find the number (exponent) corresponding to the athlete's age, height and weight from the following tables and add the three together.
Age (Decimal Years: Years + Months/12) Height (inches) Weight (pounds)
From To Exponent From To Exponent From To Exponent
9.9 10.2 20 0 47 22 53 59 9
10.3 10.8 21 47.5 49 23 60 65 10
10.9 11.2 22 49.5 51.5 24 66 71 11
11.3 11.8 23 52 53.5 25 72 79 12
11.9 12.2 24 54 55.5 26 79 84 13
12.3 12.8 25 56 57.5 27 85 90 14
12.9 13.2 26 58 59.5 28 91 96 15
13.3 13.8 27 60 62 29 97 103 16
13.9 14.2 28 62.5 64 30 104 109 17
14.3 14.8 29 64.5 66 31 110 115 18
14.9 15.2 30 66.5 68 32 116 121 19
15.3 15.8 31 68.5 70 33 122 128 20
15.9 16.2 32 70.5 72.5 34 129 134 21
16.3 16.8 33 73 74.5 35 135 140 22
16.9 17 34 75 up 36 141 146 23
147 153 24
154 159 25
160 165 26
166 171 27
2.  Determine which division the athlete falls into according to the following table. 172 178 28
179 184 29
185 190 30
191 up 31
Girls   Boys
Sum of the exponents is:   Sum of the exponents is:
From To Division   From To Division
0 71 C   0 71 C
72 75 B   72 78 B
76 up A   79 up A
Dan Nechodom, Dayton School District DanN@dayton.wednet.edu