Mark O'Brien
| Event | Category | Date | |
|---|---|---|---|
| 38 | Portland MTB Short Track Series | Category 2 Men 45+ | 8/2 |
| 26 | Portland MTB Short Track Series | Category 2 Men 45+ | 7/26 |
| 20 | Portland MTB Short Track Series | Category 2 Men 45+ | 7/12 |
| 29 | Portland MTB Short Track Series | Category 2 Men 45+ | 6/28 |
| 26 | Portland MTB Short Track Series | Category 2 Men 45+ | 6/21 |
2290th — 2010 Ironman
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 26 | Portland MTB Short Track Series | Category 2 Men 45+ | 6/21 | 1 |
| 29 | Portland MTB Short Track Series | Category 2 Men 45+ | 6/28 | 1 |
| 20 | Portland MTB Short Track Series | Category 2 Men 45+ | 7/12 | 1 |
| 26 | Portland MTB Short Track Series | Category 2 Men 45+ | 7/26 | 1 |
| 38 | Portland MTB Short Track Series | Category 2 Men 45+ | 8/2 | 1 |
| 5 |