Michael O'Brien
- Total Results 144
- Total Events 26
Personal Records
- 200m (in) - 24.54
- 400m (in) - 53.52
- Long Jump (in) - 17-7.5
- Long Jump - 18-5
- Pole Vault - 11-0
- Shot Put (in) - 31-10.75
- Triple Jump (in) - 42-11
- Triple Jump - 42-0.25
- Dec Variant - 3910
- Pentathlon (in) - 1762
- 40y (in) - 6.20
- 55mH (in) - 10.49
- 55m (in) - 7.64
- 100m - 11.86
- 200m - 24.46
- 240y (in) - 33.90
- 300mH - 43.45
- 300m (in) - 38.35
- 400m - 55.33
- 440y (in) - 1:17.70
- 1000m (in) - 3:08.27
- Discus - 70-11
- High Jump - 4-11.75
- Javelin - 105-1
- Pole Vault (in) - 11-0
- Shot Put - 29-0.5