| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Ronan O' Byrne | Club | Race Number | 2453 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 2449 of 8666 | Category | M40 | Category Position | 545 of 1790 |
| 10K | 00:49:17 | Stage Position | 2667 |
| Half | 01:44:32 | Stage Position | 2699 |
| 20Mile | 02:40:00 | Stage Position | 2537 |
| Gun Time | 03:38:58 | Overall Position | 2693 |
| Chip Time | 03:37:20 | Chip Position | 2662 |