| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Tadhg Costello | Club | Race Number | 1422 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 1218 of 8910 | Category | M50 | Category Position | 70 of 742 |
| 10K | 00:46:30 | Stage Position | 1435 |
| Halfway | 01:37:43 | Stage Position | 1399 |
| 30K | 02:19:29 | Stage Position | 1247 |
| Gun Time | 03:21:30 | Overall Position | 1291 |
| Chip Time | 03:21:10 | Chip Position | 1302 |