| Event | 2017 SSE Airtricity Dublin - Marathon |
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| Name | Derek O' Brien | Club | Race Number | 4556 | Date | 29/10/2017 | |
| Gender | Male | Gender Position | 935 of 10700 | Category | M50 | Category Position | 54 of 1061 |
| Team | |||||||
| 10K | 00:42:10 | Stage Position | 612 |
| Halfway | 01:29:21 | Stage Position | 754 |
| 30K | 02:09:29 | Stage Position | 794 |
| Gun Time | 03:12:11 | Overall Position | 991 |
| Chip Time | 03:11:34 | Chip Position | 985 |