| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Mary Costello | Club | Race Number | 16584 | Date | 26/10/2015 | |
| Gender | Female | Gender Position | 3215 of 4175 | Category | F40 | Category Position | 757 of 928 |
| 10K | 01:07:24 | Stage Position | 11297 |
| Halfway | 02:23:53 | Stage Position | 11299 |
| 30K | 03:32:29 | Stage Position | 11288 |
| Gun Time | 05:13:27 | Overall Position | 11337 |
| Chip Time | 05:11:01 | Chip Position | 11261 |