| Event | 2015 SSE Airtricity Dublin - Marathon | 
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| Name | John Walsh | Club | APFS Harriers | Race Number | 770 | Date | 26/10/2015 | 
| Gender | Male | Gender Position | 3410 of 8910 | Category | M50 | Category Position | 235 of 742 | 
| 10K | 00:52:24 | Stage Position | 4020 | 
| Halfway | 01:50:27 | Stage Position | 4085 | 
| 30K | 02:38:03 | Stage Position | 3757 | 
| Gun Time | 03:50:14 | Overall Position | 3900 | 
| Chip Time | 03:48:09 | Chip Position | 3740 |