Jakub Sumbera (M38)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2013 | |||||
| Meet your Maker | 09/01/13 | 50 Miles | 7:38:19 | 1 | |
Jakub Sumbera (Unknown Age)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2013 | |||||
| Grizzly Ultra | 10/13/13 | 50 KM | 3:45:39 | 1 | |
| 2016 | |||||
| Dirty Feet Kal Park 50K | 05/01/16 | 50 KM | 3:58:15 | 1 | |
