All-time results of this event:
Cow Bone 12 Hour Trail Run
| Distance: | 12h | More details of this race. |
| Ranking eligible: | No (2019-2023) | Multiple Finishers |
| 1 to 64 of 64 search results. |
| Rank | Performance | Date | Name | Nat. | YOB | Rank | M/F | Rank M/F | Cat | Cat. Rank |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 96.560 km | 28.05.2022 | McComas, Mac | USA | 1988 | 1 | M | 1 | M30 | 1 |
| 2 | 89.318 km | 29.05.2021 | Jordan, Kevin | USA | 1977 | 1 | M | 1 | M40 | 1 |
| 3 | 86.904 km | 28.05.2022 | Sinnott, Emmet | USA | 1986 | 2 | M | 2 | M35 | 1 |
| 4 | 84.490 km | 28.05.2022 | Gibson, Kimberly | USA | 1978 | 3 | F | 1 | W40 | 1 |
| 5 | 84.490 km | 29.05.2021 | Dorsey-Spitz, Jenni | USA | 1990 | 2 | F | 1 | W30 | 1 |
| 6 | 84.490 km | 29.05.2021 | Huffman, Larry | USA | 1960 | 3 | M | 2 | M60 | 1 |
| 7 | 82.076 km | 29.05.2021 | Cordeiro, Wendy | USA | 1971 | 6 | F | 2 | W50 | 1 |
| 8 | 82.076 km | 29.05.2021 | Pak, Beck | USA | 1957 | 5 | M | 3 | M60 | 2 |
| 9 | 82.076 km | 29.05.2021 | Nicolini, Juliana | USA | 1996 | 4 | F | 2 | W20 | 1 |
| 10 | 82.076 km | 27.05.2023 | Axler, Mike | USA | 1995 | 1 | M | 1 | M20 | 1 |
| 11 | 82.076 km | 25.05.2019 | Felsenfeld, Sam | USA | 1975 | 1 | M | 1 | M40 | 1 |
| 12 | 77.248 km | 28.05.2022 | Gomez-Martinez, Ana | USA | 1992 | 4 | F | 2 | W30 | 1 |
| 13 | 77.248 km | 29.05.2021 | Kristo, Blaine | USA | 1973 | 7 | M | 4 | M45 | 1 |
| 14 | 77.248 km | 28.05.2022 | Massie, Tammy | USA | 1972 | 5 | F | 2 | W50 | 1 |
| 15 | 74.834 km | 27.05.2023 | Browning, Kelly | USA | 1975 | 2 | F | 1 | W45 | 1 |
| 16 | 74.834 km | 29.05.2021 | Gibson, Kimberly | USA | 1978 | 8 | F | 4 | W40 | 1 |
| 17 | 74.834 km | 28.05.2022 | Tjersland, Cindy | USA | 1966 | 6 | F | 4 | W55 | 1 |
| 18 | 72.420 km | 29.05.2021 | Tjersland, Cindy | USA | 1966 | 9 | F | 5 | W55 | 1 |
| 19 | 70.006 km | 27.05.2023 | Stettler, Erin | USA | 1971 | 3 | F | 2 | W50 | 1 |
| 20 | 70.006 km | 25.05.2019 | Kazmierski, Robert | USA | 1981 | 2 | M | 2 | M35 | 1 |
| 21 | 67.592 km | 28.05.2022 | Orellano, John | USA | 1989 | 7 | M | 3 | M30 | 2 |
| 22 | 67.592 km | 27.05.2023 | Cummings, Brian | USA | 1972 | 4 | M | 2 | M50 | 1 |
| 23 | 67.592 km | 28.05.2022 | Kaye, Kimberly | USA | 1981 | 9 | F | 5 | W40 | 2 |
| 24 | 67.592 km | 28.05.2022 | Valenzuela, Paul | USA | 1966 | 8 | M | 3 | M55 | 1 |
| 25 | 67.592 km | 29.05.2021 | Deiches, Jon | USA | 1986 | 10 | M | 5 | M35 | 1 |
| 26 | 65.178 km | 25.05.2019 | Clapp, Brice | USA | 1991 | 3 | M | 3 | M20 | 1 |
| 27 | 65.178 km | 28.05.2022 | Dress, Jennifer | USA | 1965 | 11 | F | 6 | W55 | 2 |
| 28 | 65.178 km | 28.05.2022 | Cordeiro, Wendy | USA | 1971 | 10 | F | 6 | W50 | 2 |
| 29 | 65.178 km | 27.05.2023 | Thomas, Andrew | USA | 1982 | 5 | M | 3 | M40 | 1 |
| 30 | 65.178 km | 29.05.2021 | Ordonez, Heather | USA | 1976 | 12 | F | 6 | W45 | 1 |
| 31 | 65.178 km | 29.05.2021 | Hipszer, Sandra | USA | 1976 | 11 | F | 6 | W45 | 1 |
| 32 | 62.764 km | 28.05.2022 | Rehm, Catherine | USA | 1957 | 12 | F | 8 | W65 | 1 |
| 33 | 60.350 km | 29.05.2021 | Hixson, Jonathan | USA | 1995 | 13 | M | 6 | M20 | 1 |
| 34 | 60.350 km | 29.05.2021 | Dremann, Blake | USA | 1981 | 14 | M | 6 | M40 | 2 |
| 35 | 60.350 km | 28.05.2022 | Jones, Doug | USA | 1977 | 13 | M | 5 | M45 | 1 |
| 36 | 57.936 km | 27.05.2023 | Archuletta, Katrina | USA | 1981 | 7 | F | 3 | W40 | 1 |
| 37 | 57.936 km | 29.05.2021 | Delong, Chad | USA | 1981 | 15 | M | 8 | M40 | 3 |
| 38 | 57.936 km | 27.05.2023 | Ammann, Paul | USA | 1961 | 6 | M | 4 | M60 | 1 |
| 39 | 55.522 km | 25.05.2019 | Dress, Jennifer | USA | 1965 | 4 | F | 1 | W50 | 1 |
| 40 | 55.522 km | 29.05.2021 | Massie, Tammy | USA | 1972 | 16 | F | 8 | W45 | 3 |
| 41 | 55.522 km | 27.05.2023 | Massie, Tammy | USA | 1972 | 8 | F | 4 | W50 | 2 |
| 42 | 53.108 km | 28.05.2022 | Gravatt, Glenn | USA | 1957 | 15 | M | 6 | M65 | 1 |
| 43 | 53.108 km | 29.05.2021 | Dubicki, Gregory | USA | 1987 | 17 | M | 9 | M30 | 1 |
| 44 | 53.108 km | 28.05.2022 | Falsone, Laura | USA | 1963 | 14 | F | 9 | W55 | 3 |
| 45 | 53.108 km | 29.05.2021 | Astorga, Jorge | USA | 1981 | 18 | M | 9 | M40 | 4 |
| 46 | 50.694 km | 27.05.2023 | Meltzer, Natalie | USA | 1981 | 10 | F | 5 | W40 | 2 |
| 47 | 50.694 km | 27.05.2023 | Douglas, Michelle | USA | 1979 | 9 | F | 5 | W40 | 2 |
| 48 | 50.694 km | 29.05.2021 | Hawbaker, Mitch | USA | 1959 | 19 | M | 11 | M60 | 3 |
| 49 | 50.694 km | 29.05.2021 | Gravatt, Glenn | USA | 1957 | 20 | M | 11 | M60 | 3 |
| 50 | 50.694 km | 28.05.2022 | Dorsey-Spitz, Jenni | USA | 1990 | 16 | F | 10 | W30 | 2 |
| 51 | 50.694 km | 27.05.2023 | Archuletta, Israel | USA | 1979 | 11 | M | 5 | M40 | 2 |
| 52 | 50.694 km | 25.05.2019 | Bryant, Vickie | USA | 1969 | 5 | F | 2 | W50 | 2 |
| 53 | 50.694 km | 28.05.2022 | Rosenblatt, Rachel | USA | 1969 | 20 | F | 10 | W50 | 3 |
| 54 | 50.694 km | 28.05.2022 | King, Amanda | USA | 1995 | 19 | F | 10 | W20 | 1 |
| 55 | 50.694 km | 28.05.2022 | Callahan, Julie | USA | 1979 | 18 | F | 10 | W40 | 3 |
| 56 | 50.694 km | 28.05.2022 | Landymore, David | USA | 1983 | 17 | M | 7 | M35 | 2 |
| 57 | 50.694 km | 25.05.2019 | Dubicki, Gregory | USA | 1987 | 6 | M | 4 | M30 | 1 |
| 58 | 48.280 km | 29.05.2021 | Homoleski, Kristina | USA | 1980 | 21 | F | 9 | W40 | 2 |
| 59 | 48.280 km | 29.05.2021 | Swope, Deborah | USA | 1968 | 23 | F | 9 | W50 | 2 |
| 60 | 48.280 km | 29.05.2021 | Lehman, Donna | USA | 1972 | 22 | F | 9 | W45 | 4 |
| 61 | 48.280 km | 25.05.2019 | Fackler, Edwin | USA | 1963 | 7 | M | 5 | M55 | 1 |
| 62 | 45.866 km | 29.05.2021 | Murphy, Mary | USA | 1967 | 25 | F | 12 | W50 | 3 |
| 63 | 45.866 km | 28.05.2022 | Britton, Richard | USA | 1955 | 21 | M | 8 | M65 | 2 |
| 64 | 45.866 km | 29.05.2021 | Dubicki, John | USA | 1979 | 24 | M | 13 | M40 | 5 |




