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| Name: | Duffy, Don |
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| Club: | |||
| Residence: | Esparto, CA | ||
| Year of birth: | 1953 | (Cat. german: M70) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M70) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 35103 | ||
45 search results (45 Events, 3636.291 km). (More)
| 2022 | 1 Event, 80.467 km (More) | ||||
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| 02.04.2022 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 11:58:10 h | Duffy, Don | Overall: 91 | M: 63 | Cat M65: 1 | |
| 2019 | 1 Event, 80.467 km (More) | ||||
| 06.04.2019 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 12:10:46 h | Duffy, Don | *Pollock Pines, CA | Overall: 233 | M: 168 | Cat M65: 4 |
| 2018 | 1 Event, 80.467 km (More) | ||||
| 07.04.2018 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 11:31:07 h | Duffy, Don | *Pollock Pines, CA | Overall: 171 | M: 126 | Cat M60: 7 |
| 2017 | 1 Event, 80.467 km (More) | ||||
| 01.04.2017 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 11:01:28 h | Duffy, Don | *Pollock Pines, CA | Overall: 192 | M: 133 | Cat M60: 7 |
| 2012 | 1 Event, 80.467 km (More) | ||||
| 07.04.2012 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:55:14 h | Duffy, Don | *Pollock Pines, CA | Overall: 158 | M: 143 | Cat M55: 4 |
| 2010 | 2 Events, 241.401 km (More) | ||||
| 26.-27.06.2010 | Western States 100 Mile Endurance Run (USA) | 100mi | |||
| 27:59:44 h | Duffy, Don | *Esparto, CA | Overall: 223 | M: 190 | Cat M55: 10 |
| 10.04.2010 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 9:50:36 h | Duffy, Don | *Esparto, CA | Overall: 243 | M: 199 | Cat M55: 5 |
| 2009 | 1 Event, 80.467 km (More) | ||||
| 04.04.2009 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:54:16 h | Duffy, Don | Overall: 120 | M: 102 | Cat M55: 5 | |
| 2008 | 4 Events, 291.401 km (More) | ||||
| 31.08.2008 | Run On The Sly 50 Km (USA) | 50km | |||
| 5:27:57 h | Duffy, Don | *CA | Overall: 10 | M: 9 | Cat M50: 1 |
| 19.-20.07.2008 | Tahoe Rim Trail 50M Endurance Runs (USA) | 50mi | |||
| 11:21:19 h | Duffy, Don | *Pollock Pines CA | Overall: 38 | M: 23 | Cat M50: 5 |
| 17.05.2008 | Pony Express 50 Mile Run (USA) | 50mi | |||
| 9:43:50 h | Duffy, Don | *Esparto, CA | Overall: 3 | M: 3 | Cat M50: 1 |
| 05.04.2008 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 9:10:45 h | Duffy, Don | *Pollock Pines, CA | Overall: 139 | M: 122 | Cat M50: 11 |
| 2007 | 5 Events, 377.018 km (More) | ||||
| 03.11.2007 | Helen Klein Ultra Classic 50mi (USA) | 50mi | |||
| 8:33:42 h | Duffy, Don | *Pollick Pines, CA | Overall: 25 | M: 22 | Cat M50: 3 |
| 22.09.2007 | Sierra Nevada Endurance 53 Mile Run (USA) | 53.2mi | |||
| 10:19:42 h | Duffy, Don | *Esparto, CA | Overall: 11 | M: 9 | Cat M50: 1 |
| 02.09.2007 | Run On The Sly 50 Km (USA) | 50km | |||
| 5:53:24 h | Duffy, Don | Overall: 24 | M: 21 | Cat M50: 1 | |
| 14.04.2007 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:48:39 h | Duffy, Don | *Pollock Pines, CA | Overall: 117 | M: 93 | Cat M50: 11 |
| 03.02.2007 | Jed Smith Ultra Classic - 50 Mile Race (USA) | 50mi | |||
| 8:26:01 h | Duffy, Don | *Pollock Pines CA | Overall: 10 | M: 10 | Cat M50: 2 |
| 2006 | 1 Event, 80.467 km (More) | ||||
| 01.04.2006 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 9:35:37 h | Duffy, Don | *Pollock Pines, CA | Overall: 148 | M: 121 | Cat M50: 10 |
| 2005 | 1 Event, 80.467 km (More) | ||||
| 02.04.2005 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:50:21 h | Duffy, Don | *CA | Overall: 94 | M: 77 | Cat M50: 11 |
| 2004 | 1 Event, 80.467 km (More) | ||||
| 03.04.2004 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 9:27:15 h | Duffy, Don | Overall: 136 | M: 110 | Cat M50: 18 | |
| 2003 | 2 Events, 180.467 km (More) | ||||
| 03.05.2003 | Miwok 100k Trail race (USA) | 100km | |||
| 13:38:57 h | Duffy, Don | *Esparto, CA | Overall: 109 | M: 86 | Cat M45: 23 |
| 05.04.2003 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:38:36 h | Duffy, Don | Overall: 93 | M: 80 | Cat M45: 17 | |
| 1999 | 1 Event, 50 km (More) | ||||
| 13.02.1999 | Jed Smith Ultra Classic - 50 Km Race (USA) | 50km | |||
| 3:57:13 h | Duffy, Don | Overall: 24 | M: 20 | Cat M45: 5 | |
| 1998 | 1 Event, 80.467 km (More) | ||||
| 14.11.1998 | Helen Klein Ultra Classic 50mi (USA) | 50mi | |||
| 7:07:42 h | Duffy, Don | *Esparto, CA | Overall: 16 | M: 15 | Cat M40: 2 |
| 1997 | 2 Events, 130.467 km (More) | ||||
| 31.08.1997 | Run On The Sly 50 Km (USA) | 50km | |||
| 5:31:24 h | Duffy, Don | Overall: 10 | M: 7 | Cat M40: 2 | |
| 05.04.1997 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:15:30 h | Duffy, Don | Overall: 90 | M: 80 | Cat M40: 14 | |
| 1996 | 1 Event, 80.467 km (More) | ||||
| 06.04.1996 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 7:51:15 h | Duffy, Don | Overall: 50 | M: 43 | Cat M40: 6 | |
| 1995 | 4 Events, 325.73 km (More) | ||||
| 28.10.1995 | Sierra Nevada Endurance 52 Mile Run (USA) | 52.4mi | |||
| 10:00:46 h | Duffy, Don | Overall: 14 | M: 13 | Cat M40: 5 | |
| 03.09.1995 | Run On The Sly 50 Mile (USA) | 50mi | |||
| 7:34:07 h | Duffy, Don | Overall: 4 | M: 4 | Cat M40: 1 | |
| 13.05.1995 | Quicksilver 50 Mile Endurance Run (USA) | 50mi | |||
| 9:33:37 h | Duffy, Don | Overall: 25 | M: 23 | Cat M40: 9 | |
| 01.04.1995 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 7:52:35 h | Duffy, Don | Overall: 69 | M: 60 | Cat M40: 12 | |
| 1994 | 1 Event, 80.467 km (More) | ||||
| 02.04.1994 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:16:13 h | Duffy, Don | Overall: 103 | M: 90 | Cat M40: 22 | |
| 1992 | 4 Events, 391.401 km (More) | ||||
| 27.-28.06.1992 | Western States 100 Mile Endurance Run (USA) | 100mi | |||
| 24:52:54 h | Duffy, Don | Overall: 77 | M: 72 | Cat M35: 19 | |
| 04.04.1992 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 7:24:02 h | Duffy, Don | Overall: 32 | M: 31 | Cat M35: 7 | |
| 14.03.1992 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 4:51:20 h | Duffy, Don | Overall: 53 | M: 52 | Cat M35: 15 | |
| 08.02.1992 | 100km Jed Smith Ultra Classic (USA) | 100km | |||
| 8:55:15 h | Duffy, Don | Overall: 6 | M: 6 | Cat M35: 2 | |
| 1991 | 5 Events, 421.868 km (More) | ||||
| 14.09.1991 | Pacific Crest Trail 50 Km (USA) | 50km | |||
| 5:48:43 h | Duffy, Don | Overall: 13 | M: 13 | Cat M35: 6 | |
| 29.-30.06.1991 | Western States 100 Mile Endurance Run (USA) | 100mi | |||
| 23:50:28 h | Duffy, Don | Overall: 94 | M: 87 | Cat M35: 24 | |
| 06.04.1991 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 7:25:08 h | Duffy, Don | Overall: 31 | M: 31 | Cat M35: 7 | |
| 09.03.1991 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 4:32:25 h | Duffy, Don | Overall: 15 | M: 15 | Cat M35: 6 | |
| 09.02.1991 | Jed Smith Ultra Classic - 50 Mile Race (USA) | 50mi | |||
| 6:41:02 h | Duffy, Don | Overall: 15 | M: 14 | Cat M35: 4 | |
| 1990 | 1 Event, 50 km (More) | ||||
| 15.09.1990 | Pacific Crest Trail 50 Km (USA) | 50km | |||
| 5:12:21 h | Duffy, Don | Overall: 8 | M: 8 | Cat M35: 3 | |
| 1989 | 1 Event, 80.467 km (More) | ||||
| 09.04.1989 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:23:48 h | Duffy, Don | Overall: 43 | M: 41 | Cat M35: 9 | |
| 1988 | 2 Events, 130.467 km (More) | ||||
| 17.09.1988 | Pacific Crest Trail 50 Km (USA) | 50km | |||
| 6:25:51 h | Duffy, Don | Overall: 28 | M: 26 | Cat M23: 10 | |
| 10.04.1988 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 10:12:15 h | Duffy, Don | Overall: 139 | M: 121 | Cat M23: 32 | |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2022 | 2019 | 2018 | 2017 | 2012 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1992 | 1991 | 1990 | 1989 | 1988 | |
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| 50km | 3:57:13 |
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3:57:13
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| 50mi | 6:41:02 |
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8:26:01
(93/87) |
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7:07:42
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6:41:02
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| 100km | 8:55:15 |
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8:55:15
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Comparison table
Comparison of performances in races with multiple participations
| 2022 | 2019 | 2018 | 2017 | 2012 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1992 | 1991 | 1990 | 1989 | 1988 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| American River 50 Mile Endurance Run | 21 | 11:58:10 | 12:10:46 | 11:31:07 | 11:01:28 | 8:55:14 | 9:50:36 | 8:54:16 | 9:10:45 | 8:48:39 | 9:35:37 | 8:50:21 | 9:27:15 | 8:38:36 | 8:15:30 | 7:51:15 | 7:52:35 | 8:16:13 | 7:24:02 | 7:25:08 | 8:23:48 | 10:12:15 | |||
| Run On The Sly 50 Km | 3 | 5:27:57 | 5:53:24 | 5:31:24 | |||||||||||||||||||||
| Pacific Crest Trail 50 Km | 3 | 5:48:43 | 5:12:21 | 6:25:51 | |||||||||||||||||||||
| Western States 100 Mile Endurance Run | 3 | 27:59:44 | 24:52:54 | 23:50:28 | |||||||||||||||||||||
| Way Too Cool 50K Endurance Run | 2 | 4:51:20 | 4:32:25 | ||||||||||||||||||||||
| Sierra Nevada Endurance 52 Mile Run | 2 | 10:19:42 | 10:00:46 | ||||||||||||||||||||||
| Helen Klein Ultra Classic 50mi | 2 | 8:33:42 | 7:07:42 | ||||||||||||||||||||||
| Jed Smith Ultra Classic - 50 Mile Race | 2 | 8:26:01 | 6:41:02 |