David B Bierwirth
| Event | Category | Date | |
|---|---|---|---|
| 18 | 30th Annual Mudslinger | Category 3 Novice Men 40+ | 4/15 |
2887th — 2017 Ironman
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 18 | 30th Annual Mudslinger | Category 3 Novice Men 40+ | 4/15 | 1 |
| 1 |
| Event | Category | Date | |
|---|---|---|---|
| 18 | 30th Annual Mudslinger | Category 3 Novice Men 40+ | 4/15 |
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 18 | 30th Annual Mudslinger | Category 3 Novice Men 40+ | 4/15 | 1 |
| 1 |
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