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| Name: | Duff, Michael |
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| Club: | |||
| Residence: | Somers, CT | ||
| Year of birth: | 1975 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1278756 | ||
5 search results (5 Events, 280.467 km). (More)
| 2025 | 1 Event, 50 km (More) | ||||
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| 31.05.2025 | Chesterfield Gorge 50 Km Ultra Race (USA) | 50km | |||
| 5:30:27 h | Duff, Michael | Overall: 14 | M: 9 | Cat M45: 1 | |
| 2023 | 1 Event, 50 km (More) | ||||
| 03.06.2023 | Chesterfield Gorge 50 Km Ultra Race (USA) | 50km | |||
| 4:54:25 h | Duff, Michael | Overall: 10 | M: 9 | Cat M45: 2 | |
| 2021 | 2 Events, 100 km (More) | ||||
| 10.07.2021 | Chesterfield Gorge 50 Km Ultra Race (USA) | 50km | |||
| 4:55:45 h | Duff, Michael | Overall: 7 | M: 7 | Cat M45: 2 | |
| 17.04.2021 | Traprock 50k Ultramarathon (USA) | 50km | |||
| 7:26:47 h | Duff, Michael | *Somers, CT | Overall: 54 | M: 43 | Cat M45: 5 |
| 2019 | 1 Event, 80.467 km (More) | ||||
| 04.05.2019 | Rock The Ridge 50-Mile Endurance Challenge (USA) | 50mi | |||
| 9:00:14 h | Duff, Michael | Overall: 27 | M: 20 | Cat M40: 5 | |
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 | 2023 | 2021 | 2019 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2023 | 2021 | 2019 | ||
|---|---|---|---|---|---|
| Chesterfield Gorge 50 Km Ultra Race | 3 | 5:30:27 | 4:54:25 | 4:55:45 |