| Name: | Thierfelder, William |
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| Club: | |||
| Residence: | Port Crane, NY | ||
| Year of birth: | 2000 | (Cat. german: M20) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M23) | |
| Nationality: | USA ![]() |
United States | |
| RunnerID: | 2018146 | ||
8 search results (8 Events, 721.495 km). (More)
| 2025 | 3 Events, 390.586 km (More) | ||||
|---|---|---|---|---|---|
| 13.-14.09.2025 | Virgil Crest 100 Mile Ultra (USA) | 100mi | |||
| 30:43:00 h | Thierfelder, William | *Port Crane, NY | Overall: 4 | M: 4 | Cat M23: 1 |
| 18.05.2025 | Loop the Lemur at the Ross Park Zoo (USA) | 6h | |||
| 68.718 km | Thierfelder, William | *Port Crane, NY | Overall: 2 | M: 2 | Cat M23: 2 |
| 25.-26.01.2025 | Angela Ivory 100 Mile Memorial Run (USA) | 100mi | |||
| 22:19:37 h | Thierfelder, William | *Port Crane, NY | Overall: 1 | M: 1 | Cat M23: 1 |
| 2024 | 3 Events, 223.456 km (More) | ||||
| 28.09.2024 | Parallel of Latitude 8 Hour Endurance Run (USA) | 8h | |||
| 83.283 km | Thierfelder, William | *Port Crane, NY | Overall: 1 | M: 1 | Cat M23: 1 |
| 29.06.2024 | Finger Lakes Fifties 50 Mile Run (USA) | 50mi | |||
| 10:12:56 h | Thierfelder, William | *Port Crane, NY | Overall: 10 | M: 8 | Cat M23: 3 |
| 18.05.2024 | Loop the Lemur at the Ross Park Zoo (USA) | 6h | |||
| 59.706 km | Thierfelder, William | *Port Crane, NY | Overall: 4 | M: 3 | Cat M23: 2 |
| 2023 | 2 Events, 107.453 km (More) | ||||
| 08.10.2023 | Green Monster Trail Challenge 50K (USA) | 50km | |||
| 6:32:16 h | Thierfelder, William | *Port Crane, NY | Overall: 8 | M: 8 | Cat MU23: 1 |
| 13.05.2023 | Loop the Lemur at the Ross Park Zoo (USA) | 6h | |||
| 57.453 km | Thierfelder, William | Overall: 4 | M: 4 | Cat MU23: 1 | |
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 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | ||
|---|---|---|---|---|
| Loop the Lemur at the Ross Park Zoo | 3 | 68.718 | 59.706 | 57.453 |





