| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Leonard O Brennan | Club | Race Number | 2603 | Date | 26/10/2015 | |
| Gender | Male | Gender Position | 2591 of 8910 | Category | M40 | Category Position | 600 of 1919 |
| 10K | 00:50:02 | Stage Position | 2892 |
| Halfway | 01:44:11 | Stage Position | 2448 |
| 30K | 02:29:20 | Stage Position | 2516 |
| Gun Time | 03:40:53 | Overall Position | 2877 |
| Chip Time | 03:38:33 | Chip Position | 2749 |