| Event | 2017 SSE Airtricity Dublin - Marathon |
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| Name | Grainne Grennan | Club | Race Number | 1645 | Date | 29/10/2017 | |
| Gender | Female | Gender Position | 253 of 5198 | Category | F55 | Category Position | 2 of 189 |
| Team | |||||||
| 10K | 00:49:44 | Stage Position | 3298 |
| Halfway | 01:44:08 | Stage Position | 3136 |
| 30K | 02:30:12 | Stage Position | 3306 |
| Gun Time | 03:34:15 | Overall Position | 2747 |
| Chip Time | 03:33:28 | Chip Position | 2771 |