| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Derek Leahy | Club | Piranha Triathlon Club | Race Number | 4641 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 99 of 8910 | Category | M50 | Category Position | 8 of 742 |
| 10K | 00:37:20 | Stage Position | 68 |
| Halfway | 01:20:29 | Stage Position | 87 |
| 30K | 01:57:22 | Stage Position | 106 |
| Gun Time | 02:48:28 | Overall Position | 107 |
| Chip Time | 02:48:25 | Chip Position | 106 |