| Name: | Grønhøj, Klaus |
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| Club: | Klub 100 Marathon Danmark | ||
| Residence: | Sorø | ||
| Year of birth: | 1967 | (Cat. german: M55) | |
| Date of birth: | 17.04.1967 | (Cat. internat.: M55) | |
| Nationality: | DEN ![]() |
Denmark | |
| RunnerID: | 45413 | ||
16 search results (15 Events, 1154.431 km). (More)
| 2025 | 2 Events, 200.759 km (More) | ||||
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| 27.09.2025 | Ultra Mirage El Djerid (UMED50) (TUN) | 52km | |||
| 9:02:35 h | Grønhøj, Klaus | Overall: 125 | M: 107 | Cat M55: 9 | |
| 29.-31.05.2025 | Viadal Ultra 48h (SWE) | 48h | |||
| 148.759 km | Grønhøj, Klaus | *Sorø | Overall: 13 | M: 7 | Cat M55: 1 |
| 29.-31.05.2025 | Viadal Ultra 48h - 24h (SWE) | 24h | |||
| 83.612 km | Grønhøj, Klaus | *Sorø | Overall: 17 | M: 9 | Cat M55: 1 |
| 2023 | 1 Event, 60 km (More) | ||||
| 26.08.2023 | Ultraløbet Ringkøbing Fjord Rundt 60km (DEN) | 60km | |||
| 9:43:37 h | Grønhøj, Klaus | Klub 100 Marathon Danmark | Overall: 25 | M: 20 | Cat M55: 2 |
| 2022 | 1 Event, 60 km (More) | ||||
| 30.04.2022 | Julsø Ultra 60km (DEN) | 60km | |||
| 10:32:43 h | Grønhøj, Klaus | Klub 100 Marathon | Overall: 112 | M: 98 | Cat M55: 11 |
| 2021 | 1 Event, 160.934 km (More) | ||||
| 14.-15.08.2021 | Mauerweglauf 100 Meilen Berlin (GER) | 100mi | |||
| 27:54:30 h | Grønhøj, Klaus | *Sorø | Overall: 225 | M: 188 | Cat M50: 55 |
| 2019 | 1 Event, 66 km (More) | ||||
| 13.04.2019 | Ultraløbet Ærø Route 66 (DEN) | 66km | |||
| 8:46:32 h | Grønhøj, Klaus | Sorø Triathlon Klub | Overall: 60 | M: 49 | Cat M50: 15 |
| 2018 | 1 Event, 60 km (More) | ||||
| 28.04.2018 | Julsø Ultra 60km (DEN) | 60km | |||
| 9:44:02 h | Grønhøj, Klaus | Sorø Triathlon Klub | Overall: 128 | M: 108 | Cat M50: 18 |
| 2015 | 1 Event, 76.1 km (More) | ||||
| 25.07.2015 | Swiss Alpine Marathon (SUI) | 76.1km | |||
| 12:46:12 h | Grønhøj, Klaus | Sorø Triathlon Klub | Overall: 751 | M: 609 | Cat M45: 125 |
| 2013 | 1 Event, 126.7 km (More) | ||||
| 14.-15.09.2013 | Grenå Løbefestival 24-timmers (DEN) | 24h | |||
| 126.700 km | Grønhøj, Klaus | Odense Triathlon Klub | Overall: 22 | M: 19 | Cat M45: 6 |
| 2012 | 1 Event, 61.123 km (More) | ||||
| 17.11.2012 | Grenå 6 timers løb (DEN) | 6h | |||
| 61.123 km | Grønhøj, Klaus | Odense Triathlon Klub | Overall: 60 | M: 50 | Cat M45: 12 |
| 2011 | 2 Events, 117.112 km (More) | ||||
| 19.11.2011 | Grenå 6 timers løb (DEN) | 6h | |||
| 58.562 km | Grønhøj, Klaus | Odense Triathlon Klub | Overall: 46 | M: 35 | Cat M40: 7 |
| 17.04.2011 | Horsensrun 6h (DEN) | 6h | |||
| 58.550 km | Grønhøj, Klaus | Odense Triathlon Klub | Overall: 25 | M: 23 | Cat M40: 4 |
| 2010 | 1 Event, 56.535 km (More) | ||||
| 20.11.2010 | Grenå 6 timers løb (DEN) | 6h | |||
| 56.535 km | Grønhøj, Klaus | OTK | Overall: 57 | M: 46 | Cat M40: 13 |
| 2009 | 1 Event, 56.893 km (More) | ||||
| 21.11.2009 | Grenå 6 timers løb (DEN) | 6h | |||
| 56.893 km | Grønhøj, Klaus | Odense Triathlon Klub | Overall: 60 | M: 53 | Cat M40: 20 |
| 2008 | 1 Event, 52.275 km (More) | ||||
| 24.11.2008 | Grenå 6 timers løb (DEN) | 6h | |||
| 52.275 km | Grønhøj, Klaus | OTK | Overall: 51 | M: 39 | Cat M40: 12 |
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 | 2023 | 2022 | 2021 | 2019 | 2018 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6h | 61.123 |
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61.123
(1132/102) |
58.562
(1132/121) |
56.535
(1325/106) |
56.893
(1136/86) |
52.275
(1344/56) |
| 24h | 126.700 |
83.612
(3604/104) |
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126.700
(1970/30) |
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| 48h | 148.759 |
148.759
(664/36) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2023 | 2022 | 2021 | 2019 | 2018 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grenå 6 timers løb | 5 | 61.123 | 58.562 | 56.535 | 56.893 | 52.275 | ||||||||
| Julsø Ultra 60km | 2 | 10:32:43 | 9:44:02 |





