Joseph O'brien
- Total Results 125
- Total Events 13
Personal Records
- 55m (in) - 6.41
- 60m (in) - 6.79
- 100m - 10.39
- 200m (in) - 21.23
- 200m - 20.86
- 300m (in) - 33.55
- 400m (in) - 48.57
- High Jump (in) - 5-10
- 100m (in) - 15.00
- 400m - 48.77
- 500m (in) - 1:07.12
- 600m (in) - 1:33.20
- High Jump - 5-6