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| Name: | O'Connor, Jennifer |
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| Club: | |||
| Residence: | Walnut Creek, CA | ||
| Year of birth: | 1968 | (Cat. german: W55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: W55) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 464226 | ||
70 search results (70 Events, 5302.428 km). (More)
| 2025 | 5 Events, 311.819 km (More) | ||||
|---|---|---|---|---|---|
| 31.12.2025 | New Years One Day 12 Hour Run (USA) | 12h | |||
| 81.352 km | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 7 | F: 2 | Cat W55: 1 |
| 07.06.2025 | Silver State 50 km (USA) | 50km | |||
| 8:55:05 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 62 | F: 21 | Cat W55: 3 |
| 12.04.2025 | Leona Divide 50 Mile Run (USA) | 50mi | |||
| 15:16:43 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 64 | F: 19 | Cat W55: 3 |
| 08.03.2025 | Marin Ultra Challenge 50 km Race (USA) | 50km | |||
| 6:50:31 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 137 | F: 46 | Cat W55: 2 |
| 15.02.2025 | Chabot Trail Run (USA) | 50km | |||
| 7:02:22 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 29 | F: 10 | Cat W55: 1 |
| 2024 | 3 Events, 180.467 km (More) | ||||
| 08.06.2024 | Cinderella 50 km Spring Trail Run (USA) | 50km | |||
| 8:39:32 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 22 | F: 7 | Cat W55: 2 |
| 09.03.2024 | Marin Ultra Challenge 50 km Race (USA) | 50km | |||
| 7:18:05 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 175 | F: 60 | Cat W55: 2 |
| 27.01.2024 | Monterey Ultra (USA) | 50miles | |||
| 12:25:39 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 45 | F: 18 | Cat W55: 2 |
| 2023 | 8 Events, 542.872 km (More) | ||||
| 31.12.2023 | New Years One Day 6 Hour Run (USA) | 6h | |||
| 51.471 km | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 16 | F: 4 | Cat W55: 1 |
| 09.12.2023 | Hunter S. Thompson Fear & Loathing 50 Km (USA) | 50km | |||
| 6:54:00 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 49 | F: 16 | Cat W50: 3 |
| 11.-12.11.2023 | Tunnel Hill 100 Mile Race (USA) | 100mi | |||
| 23:47:42 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 91 | F: 20 | Cat W50: 2 |
| 14.10.2023 | Ruth Anderson Ultra 50km (USA) | 50km | |||
| 5:24:57 h | O'Connor, Jennifer | Overall: 33 | F: 13 | Cat W50: 4 | |
| 06.08.2023 | Skyline 50k Endurance Run (USA) | 50km | |||
| 7:01:59 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 69 | F: 23 | Cat W50: 2 |
| 10.06.2023 | Cool Moon 50 Mile Endurance Run (USA) | 50mi | |||
| 13:40:40 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 21 | F: 5 | Cat W50: 1 |
| 04.03.2023 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 7:27:00 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 313 | F: 107 | Cat W50: 11 |
| 28.01.2023 | Fort Ord 50K Trail Run (USA) | 50km | |||
| 6:39:27 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 52 | F: 11 | Cat W50: 1 |
| 2022 | 6 Events, 472.427 km (More) | ||||
| 31.12.2022-01.01.2023 | New Years One Day 24 Hour Run (USA) | 24h | |||
| 81.026 km | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 19 | F: 7 | Cat W50: 1 |
| 04.12.2022 | Hunter S. Thompson Fear & Loathing 50 Km (USA) | 50km | |||
| 6:11:00 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 10 | F: 4 | Cat W50: 2 |
| 05.11.2022 | Rio Del Lago 50 km Race (USA) | 50km | |||
| 6:18:00 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 20 | F: 8 | Cat W50: 2 |
| 15.07.2022 | The Yeti 100 Mile Endurance Run-Washington (USA) | 100mi | |||
| 28:12:30 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 31 | F: 11 | Cat W50: 5 |
| 23.04.2022 | Leona Divide 50 Mile Run (USA) | 50mi | |||
| 13:58:19 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 74 | F: 19 | Cat W50: 2 |
| 05.03.2022 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 6:56:50 h | O'Connor, Jennifer | Overall: 374 | F: 132 | Cat W50: 12 | |
| 2021 | 5 Events, 409.154 km (More) | ||||
| 31.12.2021 | New Years One Day 12 Hour Run (USA) | 12h | |||
| 67.753 km | O'Connor, Jennifer | Overall: 18 | F: 9 | Cat W50: 1 | |
| 05.12.2021 | Hunter S. Thompson Fear & Loathing 50 Km (USA) | 50km | |||
| 7:05:00 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 25 | F: 4 | Cat W50: 1 |
| 09.10.2021 | Ruth Anderson Ultra 50km (USA) | 50km | |||
| 5:50:11 h | O'Connor, Jennifer | Overall: 18 | F: 6 | Cat W50: 2 | |
| 24.07.2021 | Burning River 50 Mile Endurance Run (USA) | 50mi | |||
| 14:08:49 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 237 | F: 77 | Cat W50: 11 |
| 05.-07.02.2021 | Grandmaster Ultras 100 Mile Run (USA) | 100mi | |||
| 32:39:43 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 15 | F: 4 | Cat W50: 2 |
| 2020 | 1 Event, 50 km (More) | ||||
| 08.02.2020 | Golden Gate 50 km Winter Trail Run (USA) | 50km | |||
| 7:23:39 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 24 | F: 5 | Cat W50: 1 |
| 2019 | 8 Events, 649.359 km (More) | ||||
| 31.12.2019 | New Years One Day 12 Hour Run (USA) | 12h | |||
| 83.524 km | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 15 | F: 4 | Cat W50: 2 |
| 02.-03.11.2019 | Rio Del Lago 100 Mile Endurance Run (USA) | 100mi | |||
| 29:19:55 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 212 | F: 58 | Cat W50: 7 |
| 28.09.2019 | Overlook Endurance Run 50M (USA) | 50mi | |||
| 12:20:28 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 29 | F: 6 | Cat W50: 1 |
| 04.08.2019 | Skyline 50k Endurance Run (USA) | 50km | |||
| 6:21:53 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 79 | F: 21 | Cat W50: 4 |
| 18.05.2019 | Silver State 50 Mile (USA) | 50mi | |||
| 13:44:32 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 72 | F: 14 | Cat W50: 3 |
| 14.04.2019 | Connemara Int. Ultramarathon (IRL) | 63.5km | |||
| 7:05:24 h | O'Connor, Jennifer | Overall: 113 | F: 11 | Cat W50: 1 | |
| 09.03.2019 | Marin Ultra Challenge 50 Mile Race (USA) | 50mi | |||
| 11:27:56 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 108 | F: 22 | Cat W50: 1 |
| 02.02.2019 | Fort Ord 50K Trail Run (USA) | 50km | |||
| 6:07:53 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 39 | F: 10 | Cat W50: 2 |
| 2018 | 4 Events, 421.868 km (More) | ||||
| 27.-28.10.2018 | Javelina Jundred 100 Mile Endurance Run (USA) | 100mi | |||
| 27:20:38 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 249 | F: 64 | Cat W45: 11 |
| 18.08.2018 | Waldo 100K Trail Run (USA) | 100km | |||
| 18:11:26 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 98 | F: 30 | Cat W45: 5 |
| 19.05.2018 | San Francisco 50 Mile Endurance Run (USA) | 50mi | |||
| 12:22:01 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 22 | F: 5 | Cat W45: 2 |
| 22.04.2018 | Ruth Anderson Ultra 50mi (USA) | 50mi | |||
| 9:50:53 h | O'Connor, Jennifer | Overall: 10 | F: 3 | Cat W45: 1 | |
| 2017 | 5 Events, 421.868 km (More) | ||||
| 15.-16.07.2017 | Tahoe Rim Trail 50M Endurance Run (USA) | 50mi | |||
| 13:44:10 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 87 | F: 27 | Cat W45: 4 |
| 21.05.2017 | Ohlone 50K Wilderness Run (USA) | 50km | |||
| 8:12:51 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 65 | F: 10 | Cat W45: 4 |
| 07.-08.04.2017 | The Zion 100 Mile Run (USA) | 100mi | |||
| 32:06:45 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 118 | F: 22 | Cat W45: 2 |
| 11.03.2017 | Marin Ultra Challenge 50 km Race (USA) | 50km | |||
| 6:17:01 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 87 | F: 23 | Cat W45: 4 |
| 04.02.2017 | Sean O'Brien 50 Mile Trail Race (USA) | 50mi | |||
| 11:03:14 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 49 | F: 10 | Cat W45: 1 |
| 2016 | 2 Events, 181.533 km (More) | ||||
| 31.12.2016 | New Years One Day 12 Hour Run (USA) | 12h | |||
| 101.066 km | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 4 | F: 1 | Cat W45: 1 |
| 08.10.2016 | Dick Collins Firetrails 50 Mile (USA) | 50mi | |||
| 10:32:08 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 44 | F: 11 | Cat W45: 2 |
| 2015 | 1 Event, 80.467 km (More) | ||||
| 07.02.2015 | Sean O'Brien 50 Mile Trail Race (USA) | 50mi | |||
| 11:39:22 h | O'Connor, Jennifer | Overall: 43 | F: 8 | Cat W45: 2 | |
| 2014 | 8 Events, 743.736 km (More) | ||||
| 01.-02.11.2014 | Javelina Jundred 100 Mile Endurance Run (USA) | 100mi | |||
| 28:08:01 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 216 | F: 61 | Cat W45: 12 |
| 27.09.2014 | Stevens Creek Striders 50K (USA) | 50km | |||
| 6:06:44 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 12 | F: 1 | Cat W45: 1 |
| 13.-14.09.2014 | Headlands Hundred 50 Mile Endurance Run (USA) | 50mi | |||
| 10:19:59 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 14 | F: 2 | Cat W45: 2 |
| 17.08.2014 | Run On The Sly 50 Km (USA) | 50km | |||
| 5:46:18 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 25 | F: 5 | Cat W45: 1 |
| 19.-20.07.2014 | Tahoe Rim Trail 100M Endurance Run (USA) | 100mi | |||
| 31:02:28 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 92 | F: 22 | Cat W45: 3 |
| 17.05.2014 | Bishop High Sierra Ultramarathons 50 Miles (USA) | 50mi | |||
| 11:44:45 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 15 | F: 3 | Cat W45: 2 |
| 12.04.2014 | Lake Sonoma 50 Mile Race (USA) | 50mi | |||
| 11:17:14 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 211 | F: 48 | Cat W45: 4 |
| 15.03.2014 | Marin Ultra Challenge 50 Mile Race (USA) | 50mi | |||
| 11:58:01 h | O'Connor, Jennifer | *Walnut Creek | Overall: 62 | F: 16 | Cat W45: 4 |
| 2013 | 3 Events, 277.313 km (More) | ||||
| 31.12.2013-01.01.2014 | New Years One Day 24 Hour Run (USA) | 24h | |||
| 146.846 km | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 10 | F: 3 | Cat W45: 3 |
| 12.10.2013 | Dick Collins Firetrails 50 Mile (USA) | 50mi | |||
| 10:14:27 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 132 | F: 29 | Cat W40: 8 |
| 28.09.2013 | Stevens Creek Striders 50K (USA) | 50km | |||
| 6:40:32 h | O'Connor, Jennifer | *Walnut Creek | Overall: 22 | F: 4 | Cat W40: 3 |
| 2012 | 1 Event, 50 km (More) | ||||
| 08.01.2012 | Epiphany Ultras - 50 Km Run (USA) | 50km | |||
| 6:43:00 h | O'Connor, Jennifer | *Walnut Creek, CA | Overall: 10 | F: 4 | Cat W40: 2 |
| 2011 | 1 Event, 50 km (More) | ||||
| 14.08.2011 | Stevens Creek Striders 50K (USA) | 50km | |||
| 6:19:43 h | O'Connor, Jennifer | *Concord | Overall: 14 | F: 2 | Cat W40: 1 |
| 2010 | 1 Event, 50 km (More) | ||||
| 15.08.2010 | Stevens Creek Striders 50K (USA) | 50km | |||
| 7:00:37 h | O'Connor, Jennifer | *Piedmont, CA | Overall: 30 | F: 4 | Cat W40: 2 |
| 2008 | 3 Events, 150 km (More) | ||||
| 06.09.2008 | Redwood Park 50K Trail Run (USA) | 50km | |||
| 6:33:19 h | O'Connor, Jennifer | *Piedmont, CA | Overall: 15 | F: 3 | Cat W35: 3 |
| 01.03.2008 | Skyline Ridge Trail Run (USA) | 50km | |||
| 5:44:23 h | O'Connor, Jennifer | *Piedmont, CA | Overall: 26 | F: 6 | Cat W35: 1 |
| 02.02.2008 | Woodside Trail Run 50K (USA) | 50km | |||
| 5:47:20 h | O'Connor, Jennifer | *Oakland, CA | Overall: 27 | F: 4 | Cat W35: 1 |
| 2007 | 1 Event, 59.545 km (More) | ||||
| 29.04.2007 | Diablo Endurance Run (USA) | 37mi | |||
| 9:55:00 h | O'Connor, Jennifer | *Oakland, CA | Overall: 8 | F: 2 | Cat W35: 1 |
| 2005 | 3 Events, 150 km (More) | ||||
| 17.09.2005 | Psychedelic Climacteric 50k (USA) | 50km | |||
| 6:37:00 h | O'Connor, Jennifer | Overall: 4 | F: 1 | Cat W35: 1 | |
| 20.03.2005 | Stevens Creek Striders 50K (USA) | 50km | |||
| 6:14:57 h | O'Connor, Jennifer | *Oakland | Overall: 21 | F: 4 | Cat W35: 1 |
| 05.02.2005 | Woodside Trail Run 50K (USA) | 50km | |||
| 5:44:07 h | O'Connor, Jennifer | *CA | Overall: 26 | F: 3 | Cat W35: 1 |
| 2004 | 1 Event, 50 km (More) | ||||
| 08.05.2004 | Quicksilver 50 km Endurance Run (USA) | 50km | |||
| 5:46:15 h | O'Connor, Jennifer | Overall: 28 | F: 8 | Cat W35: 3 | |
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 | 2008 | 2007 | 2005 | 2004 | |
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| 50km | 5:24:57 |
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5:24:57
(2062/136) |
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5:50:11
(780/102) |
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| 50mi | 9:50:53 |
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9:50:53
(116/74) |
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| 100mi | 23:47:42 |
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23:47:42
(258/49) |
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| 6h | 51.471 |
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51.471
(765/33) |
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| 12h | 101.066 |
81.352
(638/82) |
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67.753
(648/153) |
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83.524
(578/82) |
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101.066
(197/9) |
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| 24h | 146.846 |
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81.026
(1416/345) |
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146.846
(304/56) |
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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 | 2008 | 2007 | 2005 | 2004 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stevens Creek Striders 50K | 5 | 6:06:44 | 6:40:32 | 6:19:43 | 7:00:37 | 6:14:57 | |||||||||||||||
| New Years One Day 12 Hour Run | 4 | 81.352 | 67.753 | 83.524 | 101.066 | ||||||||||||||||
| Hunter S. Thompson Fear & Loathing 50 Km | 3 | 6:54:00 | 6:11:00 | 7:05:00 | |||||||||||||||||
| Marin Ultra Challenge 50 km Race | 3 | 6:50:31 | 7:18:05 | 6:17:01 | |||||||||||||||||
| Fort Ord 50K Trail Run | 2 | 6:39:27 | 6:07:53 | ||||||||||||||||||
| Woodside Trail Run 50K | 2 | 5:47:20 | 5:44:07 | ||||||||||||||||||
| Sean O'Brien 50 Mile Trail Race | 2 | 11:03:14 | 11:39:22 | ||||||||||||||||||
| Skyline 50k Endurance Run | 2 | 7:01:59 | 6:21:53 | ||||||||||||||||||
| Marin Ultra Challenge 50 Mile Race | 2 | 11:27:56 | 11:58:01 | ||||||||||||||||||
| Way Too Cool 50K Endurance Run | 2 | 7:27:00 | 6:56:50 | ||||||||||||||||||
| New Years One Day 24 Hour Run | 2 | 81.026 | 146.846 | ||||||||||||||||||
| Dick Collins Firetrails 50 Mile | 2 | 10:32:08 | 10:14:27 | ||||||||||||||||||
| Leona Divide 50 Mile Run | 2 | 15:16:43 | 13:58:19 | ||||||||||||||||||
| Ruth Anderson Ultra 50km | 2 | 5:24:57 | 5:50:11 | ||||||||||||||||||
| Javelina Jundred 100 Mile Endurance Run | 2 | 27:20:38 | 28:08:01 |