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| Name: | Wiersma, Piet |
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| Club: | RTC Noord Atletiek | ||
| Residence: | Wildervank | ||
| Year of birth: | 1997 | (Cat. german: M20) | |
| Date of birth: | 20.10.1997 | (Cat. internat.: M23) | |
| Nationality: | NED  |
Netherlands | |
| RunnerID: | 1316484 | ||
17 search results (12 Events, 935 km). (More)
| 2025 | 1 Event, 90 km (More) | ||||
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| 08.06.2025 | Comrades Marathon - Down Run (RSA) | 90km | |||
| 5:25:33 h | Wiersma, Piet | Nedbank International | Overall: 2 | M: 2 | Cat M23: 1 |
| 2024 | 1 Event, 87 km (More) | ||||
| 09.06.2024 | Comrades Marathon - Up Run (RSA) | 87km | |||
| 5:25:00 h | Wiersma, Piet | Nedbank International | Overall: 1 | M: 1 | Cat M23: 1 |
| 2023 | 2 Events, 137 km (More) | ||||
| 11.06.2023 | Comrades Marathon - Down Run (RSA) | 87km | |||
| 5:14:01 h | Wiersma, Piet | Nedbank Running Club INT | Overall: 2 | M: 2 | Cat M23: 2 |
| 25.04.2023 | 50 km di Romagna (ITA) | 50km | |||
| 3:02:57 h | Wiersma, Piet | Netherlands | Overall: 6 | M: 6 | Cat M23: 4 |
| 2022 | 3 Events, 210 km (More) | ||||
| 27.08.2022 | 100 km Berlin Bernau, combined IAU & WMA race - 50km split (GER) | 50km | |||
| 3:06:09 h | Wiersma, Piet | Overall: 7 | M: 7 | Cat M20: 5 | |
| 27.08.2022 | 100 km Berlin Bernau, combined IAU & WMA race - 50mi split (GER) | 50mi | |||
| 5:13:01 h | Wiersma, Piet | Overall: 4 | M: 4 | Cat M20: 4 | |
| 27.08.2022 | 100 km Berlin Bernau, IAU 100 km WC (GER) | 100km | |||
| 6:18:47 h | Wiersma, Piet | National team Netherlands | Overall: 3 | M: 3 | Cat M20: 3 |
| 25.04.2022 | 50 km di Romagna (ITA) | 50km | |||
| 3:00:03 h | Wiersma, Piet | Netherlands | Overall: 2 | M: 2 | Cat M23: 1 |
| 27.03.2022 | De Zestig van Texel (NED) | 60km | |||
| 3:45:39 h | Wiersma, Piet | Jahn Ii | Overall: 1 | M: 1 | Cat M23: 1 |
| 2021 | 2 Events, 182 km (More) | ||||
| 30.10.2021 | La Maxi Race du Lac d'Annecy (FRA) | 82km | |||
| 10:24:21 h | Wiersma, Piet | *Wildervank | Overall: 5 | M: 5 | Cat M23: 5 |
| 11.09.2021 | RUN Winschoten 100 km (NED) | 100km | |||
| 6:49:47 h | Wiersma, Piet | Overall: 3 | M: 3 | Cat M23: 1 | |
| 2019 | 3 Events, 229 km (More) | ||||
| 14.09.2019 | RUN Winschoten 100 km - Nederlands Kampioenschap (NED) | 100km | |||
| 7:39:06 h | Wiersma, Piet | Overall: 3 | M: 3 | Cat MU23: 1 | |
| 14.09.2019 | RUN Winschoten 100km - open race (NED) | 100km | |||
| 7:39:06 h | Wiersma, Piet | *Wildervank | Overall: 9 | M: 8 | Cat MU23: 1 |
| 14.09.2019 | RUN Winschoten 100km - 50km Split (NED) | 50km | |||
| 3:23:16 h | Wiersma, Piet | Overall: 4 | M: 4 | Cat MU23: 1 | |
| 11.08.2019 | Allgäu Panorama Ultra Trail (GER) | 69km | |||
| 6:31:50 h | Wiersma, Piet | RTC Noord Atletiek | Overall: 1 | M: 1 | Cat M20: 1 |
| 23.06.2019 | Veluwezoom Trail (NED) | 60km | |||
| 4:41:32 h | Wiersma, Piet | *Wildervank | Overall: 1 | M: 1 | 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 | 2022 | 2021 | 2019 | |
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| 50km | 3:00:03 |
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3:02:57
(108/1) |
3:00:03
(74/2) |
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3:23:16
(237/2) |
| 50mi | 5:13:01 |
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5:13:01
(8/1) |
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| 100km | 6:18:47 |
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6:18:47
(4/1) |
6:49:47
(14/1) |
7:39:06
(108/3) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2019 | ||
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| Comrades Marathon - Down Run | 3 | 5:25:33 | 5:25:00 | 5:14:01 | |||
| RUN Winschoten 100km - open race | 2 | 6:49:47 | 7:39:06 | ||||
| 50 km di Romagna | 2 | 3:02:57 | 3:00:03 |