| Event | 2013 Airtricity Dublin - Marathon |
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| Name | John Byrne | Club | Race Number | 2115 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 1379 of 8666 | Category | MS | Category Position | 434 of 2562 |
| 10K | 00:42:10 | Stage Position | 563 |
| Half | 01:30:11 | Stage Position | 611 |
| 20Mile | 02:20:42 | Stage Position | 641 |
| Gun Time | 03:24:39 | Overall Position | 1462 |
| Chip Time | 03:24:28 | Chip Position | 1488 |