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| Name: | Alvarenga, Sifrido |
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| Residence: | Lancaster, CA | ||
| Year of birth: | 1984 | (Cat. german: M40) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M40) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1849324 | ||
5 search results (5 Events, 391.401 km). (More)
| 2026 | 1 Event, 80.467 km (More) | ||||
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| 10.01.2026 | Avalon Benefit 50 Mile Run (USA) | 50mi | |||
| 10:34:00 h | Alvarenga, Sifrido | *Lancaster, CA | Overall: 152 | M: 113 | Cat M40: 21 |
| 2025 | 2 Events, 180.467 km (More) | ||||
| 06.12.2025 | Ray Miller 50 Mile Trail Race (USA) | 50mi | |||
| 12:29:31 h | Alvarenga, Sifrido | *Lancaster, CA | Overall: 53 | M: 43 | Cat M40: 10 |
| 22.02.2025 | Sean O'Brien 100 km Trail Race (USA) | 100km | |||
| 14:22:42 h | Alvarenga, Sifrido | *Lancaster, CA | Overall: 37 | M: 29 | Cat M40: 6 |
| 2024 | 1 Event, 80.467 km (More) | ||||
| 09.03.2024 | Antelope Canyon 50 Mile Race (USA) | 50mi | |||
| 13:39:09 h | Alvarenga, Sifrido | Overall: 183 | M: 118 | Cat M35: 25 | |
| 2023 | 1 Event, 50 km (More) | ||||
| 04.03.2023 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 6:25:59 h | Alvarenga, Sifrido | *Lancaster, CA | Overall: 184 | M: 127 | Cat M35: 29 |
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 | 2026 | 2025 | 2024 | 2023 |
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