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| Name: | Marks, Robert |
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| Club: | |||
| Residence: | Durango, CO | ||
| Year of birth: | 1993 | (Cat. german: M30) | |
| Date of birth: | 18.07.1993 | (Cat. internat.: M23) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1209926 | ||
10 search results (10 Events, 707.335 km). (More)
| 2025 | 1 Event, 50 km (More) | ||||
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| 19.07.2025 | Silverton Alpine 50K (USA) | 50km | |||
| 6:29:18 h | Marks, Robert | *Durango, CO | Overall: 51 | M: 38 | Cat M23: 22 |
| 2024 | 1 Event, 160.934 km (More) | ||||
| 19.-20.07.2024 | High Lonesome 100 Mile (USA) | 100mi | |||
| 36:13:42 h | Marks, Robert | *Durango, CO | Overall: 121 | M: 67 | Cat M23: 21 |
| 2023 | 2 Events, 130.467 km (More) | ||||
| 24.06.2023 | San Juan Solstice 50 Mile Run (USA) | 50mi | |||
| 14:40:51 h | Marks, Robert | *Durango, CO | Overall: 141 | M: 107 | Cat M23: 47 |
| 02.04.2023 | Gorge Waterfalls 50k (USA) | 50km | |||
| 6:43:18 h | Marks, Robert | *Durango, CO | Overall: 87 | M: 58 | Cat M23: 31 |
| 2022 | 1 Event, 50 km (More) | ||||
| 25.09.2022 | Sawatch Ascent 50km Race (USA) | 50km | |||
| 8:08:02 h | Marks, Robert | *Durango, CO | Overall: 47 | M: 38 | Cat M23: 19 |
| 2021 | 3 Events, 210.934 km (More) | ||||
| 17.09.2021 | Run Rabbit Run 50 Mile Endurance Run (USA) | 50mi | |||
| 11:39:25 h | Marks, Robert | *Durango, CO | Overall: 42 | M: 29 | Cat M23: 13 |
| 11.07.2021 | Leadville Silver Rush 50 Mile Run (USA) | 50mi | |||
| 11:12:30 h | Marks, Robert | *CO | Overall: 188 | M: 150 | Cat M23: 46 |
| 17.04.2021 | Desert Rats Trail Running Festival 50 Km (USA) | 50km | |||
| 5:30:55 h | Marks, Robert | *Durango, CO | Overall: 63 | M: 49 | Cat M23: 21 |
| 2019 | 1 Event, 55 km (More) | ||||
| 03.08.2019 | Silverton Ultra Dirty - 55K (USA) | 55km | |||
| 10:47:01 h | Marks, Robert | *Durango, CO | Overall: 56 | M: 36 | Cat M23: 15 |
| 2018 | 1 Event, 50 km (More) | ||||
| 17.11.2018 | Dead Horse 50 km Race (USA) | 50km | |||
| 5:36:31 h | Marks, Robert | *Durango, CO | Overall: 118 | M: 77 | Cat M23: 38 |
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 | 2018 |
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