| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Grainne Grennan | Club | Race Number | 2045 | Date | 26/10/2015 | |
| Gender | Female | Gender Position | 217 of 4175 | Category | F55 | Category Position | 5 of 125 |
| 10K | 00:50:37 | Stage Position | 3181 |
| Halfway | 01:46:35 | Stage Position | 3214 |
| 30K | 02:32:37 | Stage Position | 2929 |
| Gun Time | 03:36:33 | Overall Position | 2464 |
| Chip Time | 03:35:55 | Chip Position | 2500 |