| Name: | Marek Kowalkiewicz | |
| Gender: | M | |
| Natonality: | AUS | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 2016 | 2016-04-10 | Canberra 50km Ultramarathon (50km road) | 135 | 100 | 50.000 km | 5:42:29 h |
| 2019 | 2019-07-27 | The Guzzler Ultra 50km (50km trail) | 92 | 63 | 50.000 km | 7:38:21 h |
| 2020 | 2020-11-07 | The Guzzler Ultra 100km (100km trail) | 70 | 53 | 100.000 km | 23:29:08 h |
| 2021 | 2021-07-24 | The Guzzler Ultra 50km (50km trail) | 184 | 135 | 50.000 km | 7:54:55 h |
| 2022 | 2022-07-23 | The Guzzler Ultra 50km (50km trail) | 238 | 187 | 50.000 km | 8:17:35 h |
| 2023 | 2023-05-13 | Ultra-Trail Australia 100 Km (100km trail) | 457 | 399 | 100.000 km | 17:53:47 h |
| 2023-07-22 | The Guzzler Ultra 50km (50km trail) | 182 | 147 | 50.000 km | 7:44:03 h |