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| Name: | Kostro, James |
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| Residence: | |||
| Year of birth: | 1979 | (Cat. german: M45) | |
| Date of birth: | 28.07.1979 | (Cat. internat.: M45) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 2535781 | ||
3 search results (3 Events, 153 km). (More)
| 2026 | 2 Events, 103 km (More) | ||||
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| 14.-15.03.2026 | Ultra-Trail Xiamen by UTMB - 50K (CHN) | 51km | |||
| 11:25:11 h | Kostro, James | Overall: 887 | M: 676 | Cat M45: 101 | |
| 14.02.2026 | Tarawera 50 km Ultramarathon (NZL) | 52km | |||
| 9:00:47 h | Kostro, James | Overall: 1325 | M: 717 | Cat M45: 97 | |
| 2025 | 1 Event, 50 km (More) | ||||
| 20.12.2025 | Chiang Dao 50 (THA) | 50km | |||
| 10:17:21 h | Kostro, James | Overall: 42 | M: 38 | Cat M45: 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 | 2026 | 2025 |
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