| Name: | Lefferts, Peter C. |
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| Club: | |||
| Residence: | Naples, FL | ||
| Year of birth: | 1956 | (Cat. german: M70) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M65) | |
| Nationality: | USA ![]() |
United States | |
| RunnerID: | 46660 | ||
53 search results (53 Events, 6191.983 km). (More)
| 2025 | 1 Event, 80.467 km (More) | ||||
|---|---|---|---|---|---|
| 05.-06.04.2025 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 18:35:35 h | Lefferts, Peter C. | *FL | Overall: 126 | M: 85 | Cat M65: 8 |
| 2024 | 1 Event, 80.467 km (More) | ||||
| 06.-07.04.2024 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 16:29:54 h | Lefferts, Peter C. | *FL | Overall: 91 | M: 65 | Cat M65: 3 |
| 2023 | 2 Events, 241.401 km (More) | ||||
| 01.-02.04.2023 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 29:44:48 h | Lefferts, Peter C. | *Naples, FL | Overall: 124 | M: 95 | Cat M65: 2 |
| 28.01.2023 | Florida Skydive Ultra Run - 50 Miles (USA) | 50mi | |||
| 16:25:22 h | Lefferts, Peter C. | *Naples, FL | Overall: 7 | M: 6 | Cat M65: 1 |
| 2022 | 2 Events, 160.934 km (More) | ||||
| 02.-03.04.2022 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 13:45:14 h | Lefferts, Peter C. | *FL | Overall: 73 | M: 57 | Cat M65: 5 |
| 29.01.2022 | Florida Skydive Ultra Run - 50 Miles (USA) | 50mi | |||
| 13:47:07 h | Lefferts, Peter C. | *Naples, FL | Overall: 5 | M: 3 | Cat M65: 1 |
| 2021 | 2 Events, 241.401 km (More) | ||||
| 15.-16.05.2021 | Keys100 Ultra-Marathons 100mi (USA) | 100mi | |||
| 30:23:06 h | Lefferts, Peter C. | *Naples, FL | Overall: 84 | M: 63 | Cat M60: 5 |
| 27.-28.03.2021 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 12:54:43 h | Lefferts, Peter C. | *FL | Overall: 41 | M: 32 | Cat M60: 6 |
| 2020 | 1 Event, 80.467 km (More) | ||||
| 25.01.2020 | Florida Skydive Ultra Run - 50 Miles (USA) | 50mi | |||
| 13:43:21 h | Lefferts, Peter C. | *Naples, FL | Overall: 10 | M: 9 | Cat M60: 1 |
| 2019 | 3 Events, 329.047 km (More) | ||||
| 06.-07.07.2019 | Merrill's Mile 24 Hour Run (USA) | 24h | |||
| 87.646 km | Lefferts, Peter C. | *Naples, FL | Overall: 8 | M: 5 | Cat M60: 2 |
| 06.-07.04.2019 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 29:15:58 h | Lefferts, Peter C. | *FL | Overall: 142 | M: 104 | Cat M60: 10 |
| 26.01.2019 | Florida Skydive Ultra Run - 50 Miles (USA) | 50mi | |||
| 13:13:45 h | Lefferts, Peter C. | *Naples, FL | Overall: 12 | M: 6 | Cat M60: 1 |
| 2018 | 4 Events, 502.114 km (More) | ||||
| 30.08.-03.09.2018 | A Race for the Ages (USA) | 86h | |||
| 180.246 km | Lefferts, Peter C. | *Naples, FL | Overall: 60 | M: 44 | Cat M60: 6 |
| 19.-20.05.2018 | Keys100 Ultra-Marathons 100mi (USA) | 100mi | |||
| 29:38:39 h | Lefferts, Peter C. | *Naples, FL | Overall: 110 | M: 80 | Cat M60: 2 |
| 08.-09.04.2018 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 14:32:57 h | Lefferts, Peter C. | *FL | Overall: 101 | M: 67 | Cat M60: 8 |
| 27.01.2018 | Florida Skydive Ultra Run - 50 Miles (USA) | 50mi | |||
| 13:27:52 h | Lefferts, Peter C. | *Naples, FL | Overall: 5 | M: 4 | Cat M60: 1 |
| 2017 | 1 Event, 160.934 km (More) | ||||
| 01.-02.04.2017 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 29:32:32 h | Lefferts, Peter C. | *FL | Overall: 139 | M: 104 | Cat M60: 6 |
| 2016 | 1 Event, 80.467 km (More) | ||||
| 02.-03.04.2016 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 13:07:00 h | Lefferts, Peter C. | *FL | Overall: 58 | M: 38 | Cat M55: 3 |
| 2015 | 1 Event, 160.934 km (More) | ||||
| 28.-29.03.2015 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 29:50:57 h | Lefferts, Peter C. | *FL | Overall: 146 | M: 96 | Cat M55: 7 |
| 2014 | 1 Event, 160.934 km (More) | ||||
| 05.-06.04.2014 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 29:37:43 h | Lefferts, Peter C. | *FL | Overall: 149 | M: 105 | Cat M55: 13 |
| 2013 | 2 Events, 241.401 km (More) | ||||
| 23.11.2013 | JFK 50 Mile (USA) | 50mi | |||
| 13:43:18 h | Lefferts, Peter C. | *Naples, FL | Overall: 853 | M: 637 | Cat M55: 36 |
| 06.-07.04.2013 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 29:42:41 h | Lefferts, Peter C. | *FL | Overall: 159 | M: 115 | Cat M55: 11 |
| 2012 | 1 Event, 160.934 km (More) | ||||
| 31.03.-01.04.2012 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 29:12:39 h | Lefferts, Peter C. | *FL | Overall: 141 | M: 93 | Cat M55: 8 |
| 2011 | 1 Event, 160.934 km (More) | ||||
| 02.-03.04.2011 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 28:25:39 h | Lefferts, Peter C. | *FL | Overall: 127 | M: 90 | Cat M50: 18 |
| 2010 | 1 Event, 160.934 km (More) | ||||
| 27.-28.03.2010 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 27:32:55 h | Lefferts, Peter C. | *FL | Overall: 113 | M: 86 | Cat M50: 11 |
| 2009 | 1 Event, 160.934 km (More) | ||||
| 04.-05.04.2009 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 28:46:31 h | Lefferts, Peter C. | *FL | Overall: 121 | M: 87 | Cat M50: 15 |
| 2008 | 2 Events, 210.934 km (More) | ||||
| 05.-06.04.2008 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 28:08:19 h | Lefferts, Peter C. | *FL | Overall: 79 | M: 60 | Cat M50: 15 |
| 02.02.2008 | Manasota Track Club 50K (USA) | 50km | |||
| 6:18:52 h | Lefferts, Peter C. | Overall: 21 | M: 14 | Cat M50: 2 | |
| 2007 | 1 Event, 160.934 km (More) | ||||
| 31.03.-01.04.2007 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 28:59:01 h | Lefferts, Peter C. | *FL | Overall: 97 | M: 63 | Cat M50: 11 |
| 2006 | 1 Event, 160.934 km (More) | ||||
| 08.-09.04.2006 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 29:05:58 h | Lefferts, Peter C. | *FL | Overall: 94 | M: 71 | Cat M45: 18 |
| 2004 | 1 Event, 160.934 km (More) | ||||
| 03.-04.04.2004 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 25:52:57 h | Lefferts, Peter C. | *PA | Overall: 65 | M: 57 | Cat M45: 10 |
| 2003 | 2 Events, 241.401 km (More) | ||||
| 22.11.2003 | JFK 50 Mile (USA) | 50mi | |||
| 11:23:54 h | Lefferts, Peter C. | *Glenside, PA | Overall: 597 | M: 497 | Cat M45: 85 |
| 05.-06.04.2003 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 27:18:10 h | Lefferts, Peter C. | *PA | Overall: 52 | M: 41 | Cat M45: 8 |
| 2002 | 2 Events, 241.401 km (More) | ||||
| 23.11.2002 | JFK 50 Mile (USA) | 50mi | |||
| 11:12:52 h | Lefferts, Peter C. | *Glenside, PA | Overall: 551 | M: 450 | Cat M45: 75 |
| 06.-07.04.2002 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 28:06:58 h | Lefferts, Peter C. | *PA | Overall: 67 | M: 56 | Cat M45: 8 |
| 2001 | 2 Events, 241.401 km (More) | ||||
| 17.11.2001 | JFK 50 Mile (USA) | 50mi | |||
| 10:29:47 h | Lefferts, Peter C. | *Glenside, PA | Overall: 402 | M: 340 | Cat M40: 72 |
| 07.-08.04.2001 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 24:40:42 h | Lefferts, Peter C. | *PA | Overall: 14 | M: 12 | Cat M40: 3 |
| 2000 | 2 Events, 160.934 km (More) | ||||
| 04.11.2000 | JFK 50 Mile (USA) | 50mi | |||
| 10:42:03 h | Lefferts, Peter C. | *Glenside, PA | Overall: 378 | M: 333 | Cat M40: 63 |
| 08.-09.04.2000 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 10:23:53 h | Lefferts, Peter C. | *PA | Overall: 30 | M: 27 | Cat M40: 4 |
| 1999 | 2 Events, 241.401 km (More) | ||||
| 20.11.1999 | JFK 50 Mile (USA) | 50mi | |||
| 10:03:41 h | Lefferts, Peter C. | *Apex, NC | Overall: 372 | M: 335 | Cat M40: 55 |
| 10.-11.04.1999 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 26:07:11 h | Lefferts, Peter C. | *NC | Overall: 33 | M: 32 | Cat M40: 6 |
| 1998 | 2 Events, 241.401 km (More) | ||||
| 21.11.1998 | JFK 50 Mile (USA) | 50mi | |||
| 10:35:16 h | Lefferts, Peter C. | *Glenside, PA | Overall: 453 | M: 403 | Cat M40: 82 |
| 04.-05.04.1998 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 25:36:15 h | Lefferts, Peter C. | *VA | Overall: 41 | M: 35 | Cat M40: 8 |
| 1997 | 3 Events, 402.335 km (More) | ||||
| 22.11.1997 | JFK 50 Mile (USA) | 50mi | |||
| 10:49:19 h | Lefferts, Peter C. | *Ferrum, VA | Overall: 431 | M: 373 | Cat M40: 79 |
| 21.-22.06.1997 | Mohican Trail 100 Mile (USA) | 100mi | |||
| 29:11:39 h | Lefferts, Peter C. | *VA | Overall: 30 | M: 28 | Cat M40: 7 |
| 05.-06.04.1997 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 23:11:25 h | Lefferts, Peter C. | *VA | Overall: 11 | M: 10 | Cat M40: 2 |
| 1996 | 3 Events, 241.401 km (More) | ||||
| 23.11.1996 | JFK 50 Mile (USA) | 50mi | |||
| 10:50:50 h | Lefferts, Peter C. | *Ferrum, VA | Overall: 387 | M: 344 | Cat M35: 70 |
| 13.04.1996 | Bull Run Run 50 Miler (USA) | 50mi | |||
| 11:40:32 h | Lefferts, Peter C. | *VA | Overall: 85 | M: 79 | Cat M35: 17 |
| 30.-31.03.1996 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 12:14:00 h | Lefferts, Peter C. | Overall: 30 | M: 28 | Cat M35: 6 | |
| 1995 | 1 Event, 80.467 km (More) | ||||
| 18.11.1995 | JFK 50 Mile (USA) | 50mi | |||
| 10:19:05 h | Lefferts, Peter C. | *Ferrum, VA | Overall: 230 | M: 198 | Cat M35: 35 |
| 1994 | 1 Event, 80.467 km (More) | ||||
| 19.11.1994 | JFK 50 Mile (USA) | 50mi | |||
| 9:23:49 h | Lefferts, Peter C. | *Fredericksburg, VA | Overall: 157 | M: 148 | Cat M35: 35 |
| 1993 | 1 Event, 80.467 km (More) | ||||
| 20.11.1993 | JFK 50 Mile (USA) | 50mi | |||
| 10:40:12 h | Lefferts, Peter C. | *Fredericksburg, VA | Overall: 197 | M: 183 | Cat M35: 45 |
| 1990 | 1 Event, 80.467 km (More) | ||||
| 17.11.1990 | JFK 50 Mile (USA) | 50mi | |||
| 10:43:45 h | Lefferts, Peter C. | *Fredericksburg, VA | Overall: 199 | M: 175 | Cat M23: 41 |
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 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1993 | 1990 | |
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| 24h | 87.646 |
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87.646
(3281/615) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | 1993 | 1990 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Umstead Endurance Run 100 Miles | 20 | 29:44:48 | 29:15:58 | 29:32:32 | 29:50:57 | 29:37:43 | 29:42:41 | 29:12:39 | 28:25:39 | 27:32:55 | 28:46:31 | 28:08:19 | 28:59:01 | 29:05:58 | 25:52:57 | 27:18:10 | 28:06:58 | 24:40:42 | 26:07:11 | 25:36:15 | 23:11:25 | |||||||||||||
| JFK 50 Mile | 13 | 13:43:18 | 11:23:54 | 11:12:52 | 10:29:47 | 10:42:03 | 10:03:41 | 10:35:16 | 10:49:19 | 10:50:50 | 10:19:05 | 9:23:49 | 10:40:12 | 10:43:45 | ||||||||||||||||||||
| Umstead Endurance Run 50 Miles | 8 | 18:35:35 | 16:29:54 | 13:45:14 | 12:54:43 | 14:32:57 | 13:07:00 | 10:23:53 | 12:14:00 | |||||||||||||||||||||||||
| Florida Skydive Ultra Run - 50 Miles | 4 | 16:25:22 | 13:47:07 | 13:43:21 | 13:13:45 | |||||||||||||||||||||||||||||
| Keys100 Ultra-Marathons 100mi | 2 | 30:23:06 | 29:38:39 |





