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| Name: | Birks, Aivars |
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| Club: | VSK Noskrien | ||
| Residence: | Liepāja | ||
| Year of birth: | 1965 | (Cat. german: M60) | |
| Date of birth: | 09.03.1965 | (Cat. internat.: M60) | |
| Nationality: | LAT  |
Latvia | |
| RunnerID: | 241015 | ||
16 search results (15 Events, 1193.525 km). (More)
| 2023 | 1 Event, 107 km (More) | ||||
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| 03.-04.06.2023 | Riga-Valmiera - 100km Split (LAT) | 100km | |||
| 14:26:17 h | Birks, Aivars | *Liepāja | Overall: 113 | M: 82 | Cat M55: 3 |
| 03.06.2023 | Riga-Valmiera (LAT) | 107km | |||
| 15:28:01 h | Birks, Aivars | *Rīga | Overall: 112 | M: 82 | Cat M55: 3 |
| 2022 | 1 Event, 90.123 km (More) | ||||
| 08.10.2022 | Glasgow-Edinburgh Ultramarathon (GBR) | 56mi | |||
| 13:08:01 h | Birks, Aivars | VSK Noskrien | Overall: 195 | M: 157 | Cat M55: 10 |
| 2018 | 3 Events, 188.676 km (More) | ||||
| 30.06.2018 | Parspej sevi 6h (LAT) | 6h | |||
| 50.163 km | Birks, Aivars | Overall: 10 | M: 7 | Cat M50: 2 | |
| 31.03.2018 | Glasgow-Edinburgh Ultramarathon (GBR) | 55mi | |||
| 12:00:52 h | Birks, Aivars | VSK Noskrien | Overall: 81 | M: 65 | Cat M50: 4 |
| 27.01.2018 | 50km-Ultramarathon des RLT Rodgau (GER) | 50km | |||
| 5:04:45 h | Birks, Aivars | VSK Noskrien | Overall: 411 | M: 339 | Cat M50: 64 |
| 2017 | 1 Event, 88.513 km (More) | ||||
| 01.04.2017 | Glasgow-Edinburgh Ultramarathon (GBR) | 55mi | |||
| 10:48:20 h | Birks, Aivars | VSK Noskrien | Overall: 73 | M: 58 | Cat M50: 7 |
| 2016 | 2 Events, 169.513 km (More) | ||||
| 06.08.2016 | Cesis Eco Trail (LAT) | 81km | |||
| 13:08:34 h | Birks, Aivars | VSK Noskrien | Overall: 109 | M: 83 | Cat M50: 5 |
| 02.04.2016 | Glasgow-Edinburgh Ultramarathon (GBR) | 55mi | |||
| 10:43:55 h | Birks, Aivars | VSK Noskrien | Overall: 60 | M: 52 | Cat M50: 6 |
| 2015 | 4 Events, 267 km (More) | ||||
| 29.08.2015 | Baltic Barefoot Ultramarathon (LAT) | 53km | |||
| 5:53:53 h | Birks, Aivars | Overall: 36 | M: 28 | Cat M50: 3 | |
| 23.06.2015 | Daugavpils 50 km race (LAT) | 50km | |||
| 5:13:20 h | Birks, Aivars | Overall: 29 | M: 23 | Cat M50: 2 | |
| 06.-07.06.2015 | Zilonis Tumsā (LAT) | 57km | |||
| 8:32:46 h | Birks, Aivars | *Rīga | Overall: 42 | M: 32 | Cat M50: 2 |
| 28.03.2015 | Skrējiens Rīga–Valmiera (LAT) | 107km | |||
| 12:29:50 h | Birks, Aivars | VSK Noskrien | Overall: 33 | M: 28 | Cat M50: 2 |
| 2014 | 1 Event, 80 km (More) | ||||
| 02.08.2014 | Hagberg Cesis Eco Trail (LAT) | 80km | |||
| 13:47:17 h | Birks, Aivars | VSK Noskrien | Overall: 121 | M: 100 | Cat M45: 5 |
| 2013 | 1 Event, 147.7 km (More) | ||||
| 15.-16.06.2013 | Laulasmaa Ultra (EST) | 26h | |||
| 147.700 km | Birks, Aivars | Vasaras jooks | Overall: 14 | M: 11 | Cat M45: 3 |
| 2011 | 1 Event, 55 km (More) | ||||
| 29.10.2011 | Siguldas kalnu maratons 55 km (LAT) | 55km | |||
| 8:48:20 h | Birks, Aivars | VSK Noskrien | Overall: 102 | M: 89 | Cat M45: 8 |
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 | 2023 | 2022 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2011 | |
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| 50km | 5:04:45 |
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5:04:45
(6410/5) |
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5:13:20
(7405/24) |
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| 100km | 14:26:17 |
14:26:17
(7044/81) |
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Comparison table
Comparison of performances in races with multiple participations
| 2023 | 2022 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2011 | ||
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| Glasgow-Edinburgh Ultramarathon | 4 | 13:08:01 | 12:00:52 | 10:48:20 | 10:43:55 | |||||
| Skrējiens Rīga–Valmiera | 2 | 15:28:01 | 12:29:50 | |||||||
| Hagberg Cesis Eco Trail | 2 | 13:08:34 | 13:47:17 |