| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Grzegorz Jakubczak | Club | Race Number | 4926 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 262 of 8666 | Category | MS | Category Position | 112 of 2562 |
| 10K | 00:41:24 | Stage Position | 317 |
| Half | 01:27:58 | Stage Position | 328 |
| 20Mile | 02:14:56 | Stage Position | 311 |
| Gun Time | 02:58:17 | Overall Position | 272 |
| Chip Time | 02:58:09 | Chip Position | 270 |