| Name: | Osorio, Oscar |
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| Club: | |||
| Residence: | San Francisco, CA | ||
| Year of birth: | 1976 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M45) | |
| Nationality: | USA ![]() |
United States | |
| RunnerID: | 338932 | ||
53 search results (53 Events, 4444.892 km). (More)
| 2025 | 3 Events, 306.639 km (More) | ||||
|---|---|---|---|---|---|
| 29.11.2025 | Quad Dipsea Trail Run (USA) | 28.4mi | |||
| 6:45:26 h | Osorio, Oscar | *Millbrae, CA | Overall: 148 | M: 120 | Cat M45: 20 |
| 28.-29.06.2025 | Western States 100 Mile Endurance Run (USA) | 100mi | |||
| 27:49:18 h | Osorio, Oscar | Overall: 174 | M: 132 | Cat M45: 32 | |
| 10.05.2025 | Quicksilver 100 km Endurance Run (USA) | 100km | |||
| 15:09:28 h | Osorio, Oscar | *Millbrae, CA | Overall: 72 | M: 60 | Cat M45: 16 |
| 2024 | 5 Events, 386.462 km (More) | ||||
| 30.11.2024 | Quad Dipsea Trail Run (USA) | 28mi | |||
| 6:33:05 h | Osorio, Oscar | Overall: 135 | M: 105 | Cat M45: 13 | |
| 04.08.2024 | Skyline 50k Endurance Run (USA) | 50km | |||
| 6:42:35 h | Osorio, Oscar | *Millbrae, CA | Overall: 73 | M: 51 | Cat M45: 9 |
| 26.-27.04.2024 | The Canyons Endurance 100 Miles Run (USA) | 100mi | |||
| 30:16:57 h | Osorio, Oscar | Overall: 95 | M: 82 | Cat M45: 9 | |
| 13.04.2024 | Woodside Purisima Creek Crossover (USA) | 50km | |||
| 6:26:05 h | Osorio, Oscar | *San Bruno, CA | Overall: 16 | M: 14 | Cat M45: 3 |
| 09.03.2024 | Marin Ultra Challenge 50 Mile Race (USA) | 50mi | |||
| 11:34:14 h | Osorio, Oscar | *San Bruno, CA | Overall: 64 | M: 50 | Cat M45: 8 |
| 2023 | 5 Events, 325.528 km (More) | ||||
| 25.11.2023 | Quad Dipsea Trail Run (USA) | 28mi | |||
| 6:58:56 h | Osorio, Oscar | *San Bruno, CA | Overall: 203 | M: 165 | Cat M45: 27 |
| 04.11.2023 | Almaden Hills Trail Run - Fall (USA) | 50km | |||
| 7:52:45 h | Osorio, Oscar | *San Bruno, CA | Overall: 1 | M: 1 | Cat M45: 1 |
| 21.10.2023 | Lake Sonoma 100K & 50K (USA) | 100km | |||
| 16:44:41 h | Osorio, Oscar | *San Bruno, CA | Overall: 154 | M: 132 | Cat M45: 27 |
| 30.09.2023 | Dick Collins Firetrails 50 Mile (USA) | 50mi | |||
| 11:53:29 h | Osorio, Oscar | *San Bruno, CA | Overall: 49 | M: 36 | Cat M45: 3 |
| 02.09.2023 | Almaden Hills Trail Run - Summer (USA) | 50km | |||
| 8:11:07 h | Osorio, Oscar | *San Bruno, CA | Overall: 7 | M: 6 | Cat M45: 2 |
| 2022 | 3 Events, 250 km (More) | ||||
| 17.12.2022 | Woodside Ramble 50K - Winter (USA) | 50km | |||
| 7:18:47 h | Osorio, Oscar | *San Bruno, CA | Overall: 69 | M: 45 | Cat M45: 6 |
| 14.05.2022 | Quicksilver 100 km Endurance Run (USA) | 100km | |||
| 15:58:38 h | Osorio, Oscar | *Daly City, CA | Overall: 93 | M: 73 | Cat M45: 14 |
| 23.04.2022 | The Canyons Endurance 100 Km Run (USA) | 100km | |||
| 17:57:26 h | Osorio, Oscar | *Daly City, CA | Overall: 369 | M: 287 | Cat M45: 42 |
| 2021 | 2 Events, 180.467 km (More) | ||||
| 23.10.2021 | Quicksilver 100 km Endurance Run (USA) | 100km | |||
| 16:50:12 h | Osorio, Oscar | *Daly City, CA | Overall: 132 | M: 103 | Cat M40: 24 |
| 25.09.2021 | Dick Collins Firetrails 50 Mile (USA) | 50mi | |||
| 12:26:33 h | Osorio, Oscar | *Daly City, CA | Overall: 49 | M: 33 | Cat M40: 7 |
| 2020 | 1 Event, 50 km (More) | ||||
| 01.02.2020 | Jed Smith Ultra Classic - 50 Km Race (USA) | 50km | |||
| 6:10:39 h | Osorio, Oscar | *Daly City, CA | Overall: 41 | M: 28 | Cat M40: 4 |
| 2019 | 8 Events, 597.396 km (More) | ||||
| 30.11.2019 | Quad Dipsea Trail Run (USA) | 28mi | |||
| 6:44:39 h | Osorio, Oscar | *Daly City, CA | Overall: 128 | M: 106 | Cat M40: 27 |
| 02.-03.11.2019 | Rio Del Lago 100 Mile Endurance Run (USA) | 100mi | |||
| 27:36:01 h | Osorio, Oscar | *Daly City, CA | Overall: 137 | M: 105 | Cat M40: 24 |
| 12.10.2019 | Ruth Anderson Ultra 50mi (USA) | 50mi | |||
| 9:57:58 h | Osorio, Oscar | Overall: 15 | M: 9 | Cat M40: 2 | |
| 05.10.2019 | Dick Collins Firetrails 50 Mile (USA) | 50mi | |||
| 12:34:45 h | Osorio, Oscar | *Daly City, CA | Overall: 52 | M: 37 | Cat M40: 7 |
| 04.08.2019 | Skyline 50k Endurance Run (USA) | 50km | |||
| 7:21:51 h | Osorio, Oscar | *Daly City, CA | Overall: 113 | M: 77 | Cat M40: 10 |
| 18.05.2019 | Silver State 50 Mile (USA) | 50mi | |||
| 12:56:22 h | Osorio, Oscar | *Daly City, CA | Overall: 60 | M: 49 | Cat M40: 7 |
| 13.04.2019 | Diablo Trails Challenge (USA) | 50km | |||
| 8:47:59 h | Osorio, Oscar | *Daly, CITY | Overall: 106 | M: 78 | Cat M40: 18 |
| 17.02.2019 | Montara Mountain 50 km Trail Run (USA) | 50km | |||
| 7:23:17 h | Osorio, Oscar | *Daly City, CA | Overall: 18 | M: 13 | Cat M40: 3 |
| 2018 | 6 Events, 460.934 km (More) | ||||
| 21.-22.07.2018 | Tahoe Rim Trail 100M Endurance Run (USA) | 100mi | |||
| 30:56:44 h | Osorio, Oscar | *Daly City, CA | Overall: 72 | M: 65 | Cat M40: 12 |
| 12.05.2018 | Quicksilver 50 km Endurance Run (USA) | 50km | |||
| 8:42:47 h | Osorio, Oscar | *Daly City, CA | Overall: 131 | M: 92 | Cat M40: 16 |
| 22.04.2018 | Ruth Anderson Ultra 100km (USA) | 100km | |||
| 13:23:51 h | Osorio, Oscar | Overall: 9 | M: 8 | Cat M40: 2 | |
| 14.04.2018 | Diablo Trails Challenge (USA) | 50km | |||
| 8:07:47 h | Osorio, Oscar | *Daly City | Overall: 66 | M: 53 | Cat M40: 14 |
| 17.02.2018 | FOURmidable 50K (USA) | 50km | |||
| 6:58:21 h | Osorio, Oscar | Overall: 99 | M: 68 | Cat M40: 9 | |
| 03.02.2018 | Jed Smith Ultra Classic - 50 Km Race (USA) | 50km | |||
| 5:38:12 h | Osorio, Oscar | *Daly City, CA | Overall: 21 | M: 16 | Cat M40: 3 |
| 2017 | 6 Events, 492.095 km (More) | ||||
| 09.-10.09.2017 | Headlands Hundred 100 Mile Endurance Run (USA) | 100mi | |||
| 29:25:15 h | Osorio, Oscar | *Daly City, CA | Overall: 41 | M: 37 | Cat M40: 8 |
| 26.08.2017 | Tamalpa Headlands 50K (USA) | 31.5mi | |||
| 7:28:14 h | Osorio, Oscar | *Daly City, CA | Overall: 78 | M: 52 | Cat M40: 8 |
| 20.05.2017 | Silver State 50 Mile (USA) | 50mi | |||
| 13:45:00 h | Osorio, Oscar | *Daily City, CA | Overall: 61 | M: 44 | Cat M40: 8 |
| 13.05.2017 | Quicksilver 100 km Endurance Run (USA) | 100km | |||
| 16:06:42 h | Osorio, Oscar | *Daly City, CA | Overall: 145 | M: 115 | Cat M40: 33 |
| 04.03.2017 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 6:28:07 h | Osorio, Oscar | *Daly City, CA | Overall: 377 | M: 276 | Cat M40: 48 |
| 04.02.2017 | Jed Smith Ultra Classic - 50 Km Race (USA) | 50km | |||
| 6:11:45 h | Osorio, Oscar | *Daly City, CA | Overall: 43 | M: 30 | Cat M40: 6 |
| 2016 | 6 Events, 536.462 km (More) | ||||
| 26.11.2016 | Quad Dipsea Trail Run (USA) | 28mi | |||
| 7:46:40 h | Osorio, Oscar | Overall: 206 | M: 160 | Cat M35: 23 | |
| 10.-11.09.2016 | Headlands Hundred 100 Mile Endurance Run (USA) | 100mi | |||
| 26:17:23 h | Osorio, Oscar | *Daly City, CA | Overall: 14 | M: 12 | Cat M35: 4 |
| 14.05.2016 | Quicksilver 100 km Endurance Run (USA) | 100km | |||
| 14:39:24 h | Osorio, Oscar | *San Francisco, CA | Overall: 84 | M: 71 | Cat M35: 15 |
| 07.05.2016 | Miwok 100k Trail Race (USA) | 100km | |||
| 14:41:58 h | Osorio, Oscar | *San Francisco, CA | Overall: 218 | M: 177 | Cat M35: 33 |
| 17.04.2016 | Diablo Trails Challenge (USA) | 50km | |||
| 7:23:08 h | Osorio, Oscar | Overall: 59 | M: 50 | Cat M35: 9 | |
| 09.04.2016 | Lake Sonoma 50 Mile Race (USA) | 50mi | |||
| 11:29:13 h | Osorio, Oscar | *San Francisco, CA | Overall: 200 | M: 147 | Cat M35: 21 |
| 2015 | 2 Events, 210.934 km (More) | ||||
| 06.12.2015 | Hunter S. Thompson Fear & Loathing 50 Km (USA) | 50km | |||
| 7:19:00 h | Osorio, Oscar | Overall: 25 | M: 18 | Cat M35: 4 | |
| 28.02.-01.03.2015 | Razorback 100 Mile Endurance Race (USA) | 100mi | |||
| 26:09:17 h | Osorio, Oscar | Overall: 3 | M: 3 | Cat M35: 2 | |
| 2014 | 3 Events, 306.574 km (More) | ||||
| 31.12.2014-01.01.2015 | New Years One Day 24 Hour Run (USA) | 24h | |||
| 97.695 km | Osorio, Oscar | *San Francisco, CA | Overall: 28 | M: 21 | Cat M35: 3 |
| 13.07.2014 | DSE Distance Classic 6 Hour (USA) | 6h | |||
| 47.945 km | Osorio, Oscar | Overall: 9 | M: 8 | Cat M35: 2 | |
| 01.-02.03.2014 | Razorback 100 Mile Endurance Race (USA) | 100mi | |||
| 24:55:24 h | Osorio, Oscar | Overall: 4 | M: 2 | Cat M35: 2 | |
| 2013 | 2 Events, 180.467 km (More) | ||||
| 09.-10.03.2013 | Razorback 100 km Endurance Race (USA) | 100km | |||
| 14:37:49 h | Osorio, Oscar | *San Francisco, CA | Overall: 2 | M: 2 | Cat M35: 1 |
| 24.02.2013 | San Bruno Mountain 50 Mile Ultramarathon (USA) | 50mi | |||
| 11:56:32 h | Osorio, Oscar | *San Francisco, CA | Overall: 20 | M: 16 | Cat M35: 4 |
| 2012 | 1 Event, 160.934 km (More) | ||||
| 18.-19.08.2012 | Run-de-Vous 100 Mile Endurance Run (USA) | 100mi | |||
| 31:50:21 h | Osorio, Oscar | *San Francisco, CA | Overall: 38 | M: 28 | Cat M35: 6 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50km | 5:38:12 |
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6:10:39
(4328/288) |
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5:38:12
(10053/400) |
6:11:45
(13928/601) |
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| 50mi | 9:57:58 |
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9:57:58
(480/274) |
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| 100km | 13:23:51 |
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13:23:51
(7976/74) |
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| 24h | 97.695 |
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97.695
(3064/555) |
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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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quad Dipsea Trail Run | 5 | 6:45:26 | 6:33:05 | 6:58:56 | 6:44:39 | 7:46:40 | |||||||||
| Quicksilver 100 km Endurance Run | 5 | 15:09:28 | 15:58:38 | 16:50:12 | 16:06:42 | 14:39:24 | |||||||||
| Diablo Trails Challenge | 3 | 8:47:59 | 8:07:47 | 7:23:08 | |||||||||||
| Dick Collins Firetrails 50 Mile | 3 | 11:53:29 | 12:26:33 | 12:34:45 | |||||||||||
| Jed Smith Ultra Classic - 50 Km Race | 3 | 6:10:39 | 5:38:12 | 6:11:45 | |||||||||||
| Skyline 50k Endurance Run | 2 | 6:42:35 | 7:21:51 | ||||||||||||
| Razorback 100 Mile Endurance Race | 2 | 26:09:17 | 24:55:24 | ||||||||||||
| Silver State 50 Mile | 2 | 12:56:22 | 13:45:00 | ||||||||||||
| Headlands Hundred 100 Mile Endurance Run | 2 | 29:25:15 | 26:17:23 |





