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| Name: | Clarkson, Robert |
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| Residence: | Dallas, TX | ||
| Year of birth: | 1973 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 945172 | ||
11 search results (11 Events, 881.188 km). (More)
| 2025 | 1 Event, 80.467 km (More) | ||||
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| 27.06.2025 | The Yeti 50 Mile Endurance Run-Washington (USA) | 50mi | |||
| 16:55:27 h | Clarkson, Robert | *Midland, TX | Overall: 22 | M: 12 | Cat M50: 2 |
| 2024 | 3 Events, 376.037 km (More) | ||||
| 24.-27.10.2024 | Endless Mile - 72 Hour Race (USA) | 72h | |||
| 161.261 km | Clarkson, Robert | *Midland, TX | Overall: 28 | M: 18 | Cat M50: 5 |
| 07.-09.06.2024 | Merrill's Mile 48 Hour Run (USA) | 48h | |||
| 51.246 km | Clarkson, Robert | *Midland, TX | Overall: 48 | M: 31 | Cat M50: 2 |
| 16.-18.02.2024 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 163.530 km | Clarkson, Robert | *Midland, TX | Overall: 19 | M: 13 | Cat M50: 2 |
| 2023 | 2 Events, 128.747 km (More) | ||||
| 11.-12.11.2023 | Tunnel Hill 50 Mile Race (USA) | 50mi | |||
| 13:51:49 h | Clarkson, Robert | *Midland, TX | Overall: 298 | M: 182 | Cat M45: 25 |
| 19.08.2023 | Lean Horse Ultra-Marathon 30 Mile (USA) | 30mi | |||
| 7:39:48 h | Clarkson, Robert | *Midland, TX | Overall: 30 | M: 17 | Cat M45: 1 |
| 2019 | 1 Event, 50 km (More) | ||||
| 31.08.2019 | Alamo City Ultra - Saturday Race (USA) | 50km | |||
| 11:17:03 h | Clarkson, Robert | *Midland, TX | Overall: 50 | M: 41 | Cat M45: 4 |
| 2018 | 2 Events, 99.889 km (More) | ||||
| 01.-02.12.2018 | Perpetual Motion 24 Hour Race (USA) | 24h | |||
| 49.889 km | Clarkson, Robert | *Dallas, TX | Overall: 23 | M: 11 | Cat M40: 1 |
| 07.01.2018 | Bandera 50 km Endurance Run (USA) | 50km | |||
| 8:18:21 h | Clarkson, Robert | *Dallas, TX | Overall: 155 | M: 114 | Cat M40: 24 |
| 2017 | 2 Events, 146.048 km (More) | ||||
| 02.-03.12.2017 | Perpetual Motion 24 Hour Race (USA) | 24h | |||
| 96.048 km | Clarkson, Robert | *Dallas, TX | Overall: 5 | M: 3 | Cat M40: 2 |
| 22.04.2017 | Ouachita Trail 50 km (USA) | 50km | |||
| 11:00:25 h | Clarkson, Robert | *TX | Overall: 92 | M: 53 | Cat M40: 15 |
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 | 2019 | 2018 | 2017 | |
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| 50mi | 13:51:49 |
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13:51:49
(1075/518) |
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| 24h | 96.048 |
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49.889
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96.048
(3129/438) |
| 48h | 163.530 |
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163.530
(367/87) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2019 | 2018 | 2017 | ||
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| Perpetual Motion 24 Hour Race | 2 | 49.889 | 96.048 |