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Best 50 k Performances over the past 12 months
| Male (Top four finishers from each race) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lake Sonoma 50 | Stephen Kersh | Seattle, WA US | Male | 2025-04-12 | 6:50:31 |
| 2 | Lake Sonoma 50 | Ryan Raff | Billings, MT US | Male | 2025-04-12 | 6:52:36 |
| 3 | Lake Sonoma 50 | Chris Myers | Nederland, CO US | Male | 2025-04-12 | 6:53:25 |
| 4 | Lake Sonoma 50 | Hiroki Kai | Kashiwa, 12 JP | Male | 2025-04-12 | 7:15:11 |
| Female (Top four finishers from each race) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lake Sonoma 50 | Tara Dower | Durango, CO US | Female | 2025-04-12 | 7:36:21 |
| 2 | Lake Sonoma 50 | JANE MAUS | Salt Lake City, UT | Female | 2025-04-12 | 7:54:54 |
| 3 | Lake Sonoma 50 | Robyn Mildren | Baltimore, MD US | Female | 2025-04-12 | 8:07:16 |
| 4 | Lake Sonoma 50 | Natalie Sandoval | Phoenix, AZ US | Female | 2025-04-12 | 8:17:40 |
