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| Name: | Griffenhagen, Gregg |
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| Club: | |||
| Residence: | Fort Collins, CO | ||
| Year of birth: | 1970 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1317525 | ||
11 search results (11 Events, 998.564 km). (More)
| 2025 | 1 Event, 160.934 km (More) | ||||
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| 12.-13.09.2025 | Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run (USA) | 100mi | |||
| 31:45:47 h | Griffenhagen, Gregg | *Loveland, CO | Overall: 137 | M: 114 | Cat M50: 7 |
| 2024 | 2 Events, 180.467 km (More) | ||||
| 27.-28.07.2024 | Never Summer 100k (USA) | 100km | |||
| 22:12:37 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 142 | M: 112 | Cat M50: 7 |
| 11.05.2024 | Quad Rock 50 Mile (USA) | 50mi | |||
| 13:50:14 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 108 | M: 81 | Cat M50: 8 |
| 2023 | 2 Events, 130.467 km (More) | ||||
| 04.11.2023 | Bridge Burner Ultra (USA) | 50km | |||
| 6:23:45 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 28 | M: 22 | Cat M50: 2 |
| 06.05.2023 | Quad Rock 50 Mile (USA) | 50mi | |||
| 13:22:27 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 107 | M: 87 | Cat M50: 5 |
| 2022 | 3 Events, 180.467 km (More) | ||||
| 01.10.2022 | Above the Clouds Ultra (USA) | 50km | |||
| 6:18:45 h | Griffenhagen, Gregg | Overall: 9 | M: 6 | Cat M50: 1 | |
| 17.09.2022 | Red Feather Trail Jamboree (USA) | 50km | |||
| 8:09:52 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 82 | M: 54 | Cat M50: 9 |
| 04.06.2022 | North Fork 50 Mile Trail Race (USA) | 50mi | |||
| 12:02:14 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 30 | M: 26 | Cat M50: 2 |
| 2021 | 1 Event, 165.762 km (More) | ||||
| 10.-11.07.2021 | Silverheels Trail Run - 100mi (USA) | 103mi | |||
| 30:56:00 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 10 | M: 9 | Cat M50: 1 |
| 2020 | 1 Event, 100 km (More) | ||||
| 25.-26.07.2020 | Never Summer 100k (USA) | 100km | |||
| 18:46:31 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 118 | M: 95 | Cat M45: 11 |
| 2019 | 1 Event, 80.467 km (More) | ||||
| 11.05.2019 | Quad Rock 50 Mile (USA) | 50mi | |||
| 12:12:06 h | Griffenhagen, Gregg | *Fort Collins, CO | Overall: 82 | M: 65 | 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 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | ||
|---|---|---|---|---|---|---|---|---|
| Quad Rock 50 Mile | 3 | 13:50:14 | 13:22:27 | 12:12:06 | ||||
| Never Summer 100k | 2 | 22:12:37 | 18:46:31 |