TBRA Historical Field Counts
| Race Date | Div | Race Name |
| 2013-05-25 | III | I AM Mountain: Hamilton Creek - XC |
| Cat. Code | Category/Field | 2013 |
| 31 | Men Pro | 1 |
| 21 | Men Cat 1 30-39 | 2 |
| 24 | Men Cat 1 40+ | 4 |
| 26 | Men Cat 2 19-29 | 2 |
| 17 | Men Cat 2 30-39 | 5 |
| 20 | Men Cat 2 40+ | 6 |
| 161 | Men Cat 3 19-29 | 4 |
| 164 | Men Cat 3 50+ | 1 |
| 40 | Men 50+ Combined | 3 |
| 6 | Junior 14 & Under | 1 |
| 7 | Junior 15 & Over | 1 |
| 140 | Women Pro/1 | 2 |
| 46139 | Women Cat 2 | 2 |
| 171 | Women Cat 3 | 2 |
| Total Entries: | 36 |


