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| Name: | Ritzmann, Colin Jonathan |
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| Club: | Northbern Running Club | ||
| Residence: | Wabern | ||
| Year of birth: | 1996 | (Cat. german: M30) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M23) | |
| Nationality: | IRL  |
Ireland | |
| RunnerID: | 2072243 | ||
3 search results (3 Events, 295.064 km). (More)
| 2025 | 1 Event, 107.296 km (More) | ||||
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| 13.-15.09.2025 | Backyard Ultra The Last Lap - Jegenstorf (SUI) | 33h | |||
| 107.296 km | Ritzmann, Colin Jonathan | Atrc | Overall: 14 | M: 11 | Cat M23: 2 |
| 2024 | 1 Event, 100.59 km (More) | ||||
| 14.-16.09.2024 | Backyard Ultra The Last Lap (SUI) | 26h | |||
| 100.590 km | Ritzmann, Colin Jonathan | Dayone Running Club | Overall: 18 | M: 11 | Cat M23: 5 |
| 2023 | 1 Event, 87.178 km (More) | ||||
| 16.-18.09.2023 | Backyard Ultra The Last Lap (SUI) | 33h | |||
| 87.178 km | Ritzmann, Colin Jonathan | Northbern Running Club | Overall: 18 | M: 18 | Cat M23: 7 |
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 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | ||
|---|---|---|---|---|
| Backyard Ultra The Last Lap | 3 | 107.296 | 100.590 | 87.178 |