| Event | 2012 Chester - Marathon |
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| Name | JOANNA SIWIECKA | Club | Race Number | 2567 | Date | 07/10/2012 | |
| Gender | Female | Gender Position | 442 of 535 | Category | FSEN | Category Position | 159 of 197 |
| Half | 02:18:41 | Stage Position | 1891 |
| Gun Time | 05:04:22 | Overall Position | 1880 |
| Chip Time | 05:03:21 | Chip Position | 1888 |