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| Nombre: | Rosenfeld, Jack |
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| Club: | |||
| Domicilio: | Los Angeles, CA | ||
| Año de nacimiento: | 1979 | (Cat. alemana: M45) | |
| Fecha de nacimiento: | 00.00.0000 | (Cat. internac.: M45) | |
| Nacionalidad: | USA  |
Estados Unidos | |
| RunnerID: | 248392 | ||
34 resultados de la búsqueda (34 pruebas, 3002.15 km). (Más)
| 2026 | 1 prueba, 50 km (Más) | ||||
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| 10.01.2026 | Bridle Trails Winter Running Festival (USA) | 50km | |||
| 7:02:48 h | Rosenfeld, Jack | total: 40 | M: 30 | Cat M45: 5 | |
| 2025 | 2 pruebas, 404.588 km (Más) | ||||
| 02.-03.08.2025 | Hamster Endurance Runs 32 Hour Run (USA) | 32h | |||
| 163.187 km | Rosenfeld, Jack | total: 9 | M: 6 | Cat M45: 1 | |
| 14.-18.05.2025 | Born to Run Ultra 4 days Marathon (USA) | 4d | |||
| 241.401 km | Rosenfeld, Jack | *Seattle, WA | total: 10 | M: 8 | Cat M45: 1 |
| 2024 | 3 pruebas, 200 km (Más) | ||||
| 14.12.2024 | Deception Pass 50 km (USA) | 50km | |||
| 7:10:52 h | Rosenfeld, Jack | total: 170 | M: 102 | Cat M40: 23 | |
| 27.10.2024 | Cougar Mountain Trail Run (USA) | 50km | |||
| 7:41:04 h | Rosenfeld, Jack | *Seattle, WA | total: 23 | M: 19 | Cat M40: 3 |
| 28.06.2024 | The Yeti 100 km Endurance Run-Washington (USA) | 100km | |||
| 17:40:37 h | Rosenfeld, Jack | *Seattle, WA | total: 36 | M: 24 | Cat M40: 5 |
| 2023 | 3 pruebas, 627.643 km (Más) | ||||
| 15.-18.09.2023 | Cowboy 200 (USA) | 200mi | |||
| 3d 09:58:41 h | Rosenfeld, Jack | *Seattle, WA | total: 28 | M: 22 | Cat M40: 5 |
| 29.07.2023 | Burning River 50 Mile Endurance Run (USA) | 50mi | |||
| 14:17:24 h | Rosenfeld, Jack | *Seattle, WA | total: 187 | M: 142 | Cat M40: 18 |
| 12.-16.04.2023 | Born to Run Ultra 4 days Marathon (USA) | 4d | |||
| 225.308 km | Rosenfeld, Jack | *Seattle, WA | total: 17 | M: 13 | Cat M40: 3 |
| 2022 | 1 prueba, 50 km (Más) | ||||
| 17.-18.09.2022 | Teanaway Country 50 Race (USA) | 50km | |||
| 14:05:00 h | Rosenfeld, Jack | *Seattle, WA | total: 57 | M: 36 | Cat M40: 9 |
| 2018 | 2 pruebas, 107.294 km (Más) | ||||
| 19.05.2018 | Born to Run Ultra 30 Mile Marathon (USA) | 30mi | |||
| 5:47:46 h | Rosenfeld, Jack | *Gig Harbor, WA | total: 66 | M: 42 | Cat M35: 6 |
| 14.04.2018 | Cottontail 12 Hour Race (USA) | 12h | |||
| 59.014 km | Rosenfeld, Jack | *Gig Harbor, WA | total: 8 | M: 6 | Cat M35: 1 |
| 2017 | 3 pruebas, 178.747 km (Más) | ||||
| 23.07.2017 | West Seattle Beach Run - Summer Edition (USA) | 50km | |||
| 5:57:50 h | Rosenfeld, Jack | *Gig Harbor, WA | total: 6 | M: 4 | Cat M35: 1 |
| 03.06.2017 | Rainier to Ruston Rail-Trail 50 Mile Ultra (USA) | 50mi | |||
| 11:44:35 h | Rosenfeld, Jack | total: 36 | M: 27 | Cat M35: 2 | |
| 20.05.2017 | Born to Run Ultra 30 Mile Marathon (USA) | 30mi | |||
| 10:25:26 h | Rosenfeld, Jack | *Gig Harbor, WA | total: 126 | M: 66 | Cat M35: 11 |
| 2016 | 1 prueba, 66.095 km (Más) | ||||
| 26.03.2016 | Cottontail 12 Hour Race (USA) | 12h | |||
| 66.095 km | Rosenfeld, Jack | *Gigharbor, WA | total: 4 | M: 2 | Cat M35: 1 |
| 2015 | 4 pruebas, 228.747 km (Más) | ||||
| 06.12.2015 | OTHTC High Desert 50K Ultra (USA) | 50km | |||
| 6:25:18 h | Rosenfeld, Jack | total: 123 | M: 89 | Cat M35: 18 | |
| 16.05.2015 | Born to Run Ultra 30 Mile Marathon (USA) | 30mi | |||
| 5:07:56 h | Rosenfeld, Jack | *Culver City, CA | total: 52 | M: 41 | Cat M35: 10 |
| 21.02.2015 | Antelope Canyon 50 Mile Race (USA) | 50mi | |||
| 11:36:17 h | Rosenfeld, Jack | *Culver City, CA | total: 48 | M: 35 | Cat M35: 7 |
| 07.02.2015 | Sean O'Brien 50 km Trail Race (USA) | 50km | |||
| 7:20:28 h | Rosenfeld, Jack | total: 103 | M: 70 | Cat M35: 16 | |
| 2014 | 5 pruebas, 452.795 km (Más) | ||||
| 30.12.2014-01.01.2015 | Across the Years, 48h (USA) | 48h | |||
| 172.328 km | Rosenfeld, Jack | *Culver City, CA | total: 14 | M: 9 | Cat M23: 2 |
| 12.10.2014 | Whoo's In El Moro 50k Trail Races - Fall Edition (USA) | 50km | |||
| 6:31:33 h | Rosenfeld, Jack | *Culver City, CA | total: 52 | M: 35 | Cat M23: 16 |
| 13.-14.09.2014 | Headlands Hundred 50 Mile Endurance Run (USA) | 50mi | |||
| 13:31:29 h | Rosenfeld, Jack | *Culver City, CA | total: 50 | M: 42 | Cat M23: 18 |
| 23.08.2014 | Bulldog 50k Ultra Run (USA) | 50km | |||
| 5:17:41 h | Rosenfeld, Jack | *Culver City, CA | total: 37 | M: 31 | Cat M23: 12 |
| 17.-18.05.2014 | Born to Run Ultra 100 km Marathon (USA) | 100km | |||
| 17:20:15 h | Rosenfeld, Jack | total: 32 | M: 22 | Cat M23: 9 | |
| 2013 | 2 pruebas, 130.467 km (Más) | ||||
| 24.08.2013 | Bulldog 50k Ultra Run (USA) | 50km | |||
| 5:51:59 h | Rosenfeld, Jack | *Culver City, CA | total: 67 | M: 52 | Cat M23: 13 |
| 13.01.2013 | Avalon Benefit 50-Mile Run (USA) | 50mi | |||
| 8:19:05 h | Rosenfeld, Jack | *Los Angeles, CA | total: 27 | M: 21 | Cat M23: 10 |
| 2012 | 3 pruebas, 260.934 km (Más) | ||||
| 17.11.2012 | JFK 50 Mile (USA) | 50mi | |||
| 10:26:44 h | Rosenfeld, Jack | *Los Angeles, CA | total: 517 | M: 416 | Cat M23: 112 |
| 19.-20.05.2012 | Born to Run Ultra 100 km Marathon (USA) | 100km | |||
| 13:54:00 h | Rosenfeld, Jack | *Los Angeles, CA | total: 8 | M: 6 | Cat M23: 2 |
| 07.04.2012 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 8:13:21 h | Rosenfeld, Jack | *Los Angeles, CA | total: 77 | M: 70 | Cat M23: 25 |
| 2011 | 3 pruebas, 180.467 km (Más) | ||||
| 03.12.2011 | Endurance Challenge - California Trail 50 Mile (USA) | 50mi | |||
| 10:02:16 h | Rosenfeld, Jack | *Los Angeles, CA | total: 130 | M: 109 | Cat M23: 60 |
| 20.11.2011 | Santa Monica Mountains 50 km (USA) | 50km | |||
| 5:46:30 h | Rosenfeld, Jack | *Los Angeles, CA | total: 16 | M: 13 | Cat M23: 6 |
| 27.08.2011 | Bulldog 50k Ultra Run (USA) | 50km | |||
| 6:01:18 h | Rosenfeld, Jack | total: 26 | M: 20 | Cat M23: 8 | |
| 2010 | 1 prueba, 64.373 km (Más) | ||||
| 27.11.2010 | Santa Barbara Red Rock 40 Mile (USA) | 40mi | |||
| 10:36:00 h | Rosenfeld, Jack | total: 43 | M: 36 | Cat M23: 6 | |
Mejores marcas
Your list of personal best performances only contains performances of races which can be included into rankings.
Entre paréntesis ranking annual internacional/ranking nacional.
| PB | 2026 | 2025 | 2024 | 2023 | 2022 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | |
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| 48h | 172.328 |
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172.328
(281/66) |
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Cuadro comparativo
Comparación de resultados en las carreras con participaciones múltiples
| 2026 | 2025 | 2024 | 2023 | 2022 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bulldog 50k Ultra Run | 3 | 5:17:41 | 5:51:59 | 6:01:18 | |||||||||||
| Born to Run Ultra 30 Mile Marathon | 3 | 5:47:46 | 10:25:26 | 5:07:56 | |||||||||||
| Born to Run Ultra 4 days Marathon | 2 | 241.401 | 225.308 | ||||||||||||
| Cottontail 12 Hour Race | 2 | 59.014 | 66.095 | ||||||||||||
| Born to Run Ultra 100 km Marathon | 2 | 17:20:15 | 13:54:00 |