| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Niamh Grehan | Club | Race Number | 301 | Date | 26/10/2015 | |
| Gender | Female | Gender Position | 2682 of 4175 | Category | F35 | Category Position | 588 of 844 |
| 10K | 01:01:31 | Stage Position | 9285 |
| Halfway | 02:10:20 | Stage Position | 9339 |
| 30K | 03:16:23 | Stage Position | 9983 |
| Gun Time | 04:50:30 | Overall Position | 10228 |
| Chip Time | 04:48:16 | Chip Position | 10135 |