| Name: | Williams, Grant Duncan |
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| Club: | Runavation | ||
| Residence: | Gauteng North | ||
| Year of birth: | 1974 | (Cat. german: M50) | |
| Date of birth: | 27.08.1974 | (Cat. internat.: M50) | |
| Nationality: | RSA ![]() |
South Africa | |
| RunnerID: | 577139 | ||
16 search results (14 Events, 990.968 km). (More)
| 2024 | 2 Events, 108.5 km (More) | ||||
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| 21.09.2024 | Paraty by UTMB - PTR 55 (BRA) | 58.5km | |||
| 12:23:48 h | Williams, Grant Duncan | Wild Africa Experiences | Overall: 269 | M: 208 | Cat M50: 12 |
| 23.03.2024 | Magoebas Forest Marathon (RSA) | 50km | |||
| 9:02:59 h | Williams, Grant Duncan | Overall: 31 | M: 26 | Cat M45: 1 | |
| 2023 | 2 Events, 144.067 km (More) | ||||
| 14.10.2023 | Cappadocia Medium Trail (TUR) | 63.6km | |||
| 9:15:46 h | Williams, Grant Duncan | Wild Africa Experiences | Overall: 229 | M: 195 | Cat M45: 25 |
| 20.05.2023 | Mac Mac Ultra 50 Mile (RSA) | 50mi | |||
| 13:18:41 h | Williams, Grant Duncan | Overall: 9 | M: 7 | Cat M45: 1 | |
| 2022 | 1 Event, 80.467 km (More) | ||||
| 21.05.2022 | Mac Mac Ultra 50 Mile (RSA) | 50mi | |||
| 14:25:12 h | Williams, Grant Duncan | Overall: 19 | M: 15 | Cat M45: 1 | |
| 2021 | 1 Event, 160.934 km (More) | ||||
| 21.-23.05.2021 | Mac Mac Ultra 100 Mile (RSA) | 100mi | |||
| 35:14:18 h | Williams, Grant Duncan | Overall: 13 | M: 11 | Cat M45: 2 | |
| 2019 | 2 Events, 150 km (More) | ||||
| 16.-17.11.2019 | SkyRun 100 Km (RSA) | 100km | |||
| 26:35:06 h | Williams, Grant Duncan | Overall: 120 | M: 89 | Cat M45: 23 | |
| 07.09.2019 | Mont-Aux-Sources 50km Challenge (RSA) | 50km | |||
| 7:29:40 h | Williams, Grant Duncan | Overall: 51 | M: 44 | Cat M45: 8 | |
| 2018 | 1 Event, 50 km (More) | ||||
| 11.08.2018 | Magaliesberg Challenge (RSA) | 50km | |||
| 8:59:32 h | Williams, Grant Duncan | Overall: 51 | M: 44 | Cat M40: 10 | |
| 2017 | 2 Events, 135 km (More) | ||||
| 04.06.2017 | Comrades Marathon - Up Run (RSA) | 87km | |||
| 11:36:28 h | Williams, Grant Duncan | Team Vitality - AGN | Overall: 11541 | M: 9441 | Cat M40: 2098 |
| 02.04.2017 | Modern Athlete Irene Ultra (RSA) | 48km | |||
| 4:59:45 h | Williams, Grant Duncan | Team Vitality | Overall: 1126 | M: 947 | Cat M40: 197 |
| 2015 | 1 Event, 56 km (More) | ||||
| 04.04.2015 | Two Oceans Marathon - 50km Split (RSA) | 50km | |||
| 5:33:46 h | Williams, Grant Duncan | Running INN Athletics Club | Overall: 5056 | M: 3952 | Cat M40: 831 |
| 04.04.2015 | Two Oceans Marathon (RSA) | 56km | |||
| 6:16:03 h | Williams, Grant Duncan | Running INN Athletics Club | Overall: 5168 | M: 4005 | Cat M40: 848 |
| 2014 | 1 Event, 56 km (More) | ||||
| 18.04.2014 | Two Oceans Marathon (RSA) | 56km | |||
| 6:10:55 h | Williams, Grant Duncan | RunNING | Overall: 4783 | M: 3746 | Cat M35: 795 |
| 18.04.2014 | Two Oceans Marathon - 50km Split (RSA) | 50km | |||
| 5:32:43 h | Williams, Grant Duncan | RunNING | Overall: 4980 | M: 3918 | Cat M35: 823 |
| 2001 | 1 Event, 50 km (More) | ||||
| 17.03.2001 | Om Die Dam 50km (RSA) | 50km | |||
| 5:20:52 h | Williams, Grant Duncan | Irene | Overall: 1902 | M: 1011 | Cat M23: 389 |
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 | 2024 | 2023 | 2022 | 2021 | 2019 | 2018 | 2017 | 2015 | 2014 | 2001 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50km | 5:20:52 |
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5:33:46
(9612/4387) |
5:32:43
(9451/4158) |
5:20:52
(2608/1017) |
Comparison table
Comparison of performances in races with multiple participations
| 2024 | 2023 | 2022 | 2021 | 2019 | 2018 | 2017 | 2015 | 2014 | 2001 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mac Mac Ultra 50 Mile | 2 | 13:18:41 | 14:25:12 | ||||||||
| Two Oceans Marathon | 2 | 6:16:03 | 6:10:55 |





