| Name: | Jefferson Fernando Silva | |
| Gender: | M | |
| Natonality: | BRA | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 2019 | 2019-05-18 | Ultra-Trail Australia 100 Km (100km trail) | 730 | 569 | 100.000 km | 18:47:02 h |
| 2021 | 2021-11-06 | Feral Pig Ultra 50 km (50km trail) | 3 | 3 | 50.000 km | 6:08:39 h |
| 2021-08-13 | Birdy's Backyard Ultra (51h ) | 51 | 38 | 93.940 km | 51:00:00 h |
| 2022 | 2022-03-18 | Herdy's Frontyard Ultra (50h ) | 24 | 19 | 140.910 km | 50:00:00 h |
| 2022-10-29 | Ultra-Trail Australia 100 Km (100km trail) | 405 | 361 | 100.000 km | 14:13:51 h |
| 2023 | 2023-03-17 | Herdy's Frontyard Ultra (57h ) | 158 | 122 | 67.060 km | 57:00:00 h |