| Event | 2013 Airtricity Dublin - Marathon |
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| Name | John Williams | Club | Race Number | 4288 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 6513 of 8666 | Category | M50 | Category Position | 419 of 583 |
| 10K | 00:57:05 | Stage Position | 7023 |
| Half | 02:00:56 | Stage Position | 7213 |
| 20Mile | 03:13:16 | Stage Position | 7615 |
| Gun Time | 04:29:32 | Overall Position | 8352 |
| Chip Time | 04:28:57 | Chip Position | 8370 |