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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Grunewald, Justin   Submit Personal Website Send Link 
Club: Altra/Rabbit 
Residence: Minneapolis, MN
Year of birth: 1985 (Cat. german: M40)
Date of birth: 00.00.0000 (Cat. internat.: M40)
Nationality: USA USA United States
RunnerID: 1150896
 

24 search results (24 Events, 1765.335 km).  (More)

2025 4 Events, 310.934 km  (More)
28.09.2025 Sawatch Ascent 50km Race (USA) 50km
4:41:18 h Grunewald, Justin *Boulder, CO  Overall: 1 M: 1 Cat M35: 1
27.09.2025 West Line Winder 50 km Race (USA) 50km
3:57:45 h Grunewald, Justin *Boulder, CO  Overall: 2 M: 2 Cat M35: 2
16.-17.08.2025 Leadville Trail 100 Mile (USA) 100mi
18:06:34 h Grunewald, Justin *Boulder, CO  Overall: 3 M: 2 Cat M35: 2
10.05.2025 Valkyrie Trail Race 50k (USA) 50km
3:54:02 h Grunewald, Justin *Boulder, CO  Overall: 1 M: 1 Cat M35: 1
2024 7 Events, 562.934 km  (More)
07.12.2024 McDowell Mountain Frenzy 50 km (USA) 50km
3:33:19 h Grunewald, Justin *Boulder, CO  Overall: 1 M: 1 Cat M35: 1
26.-27.10.2024 Javelina Jundred 100 Mile Endurance Run (USA) 100mi
14:35:18 h Grunewald, Justin *Boulder, CO  Overall: 9 M: 8 Cat M35: 2
28.09.2024 West Line Winder 50 km Race (USA) 50km
3:54:17 h Grunewald, Justin   Overall: 1 M: 1 Cat M35: 1
27.-28.07.2024 Never Summer 100k (USA) 100km
11:39:48 h Grunewald, Justin *Boulder, CO  Overall: 1 M: 1 Cat M35: 1
11.05.2024 Tillamook Burn Trail Run 50 Km (USA) 50km
4:12:07 h Grunewald, Justin *Boulder, CO  Overall: 1 M: 1 Cat M35: 1
13.04.2024 Desert Rats Trail Running Festival 50 Km (USA) 50km
3:40:55 h Grunewald, Justin   Overall: 1 M: 1 Cat M35: 1
17.-18.02.2024 Tarawera 100 km Ultramarathon (NZL) 102km
8:25:57 h Grunewald, Justin   Overall: 2 M: 2 Cat M35: 1
2023 2 Events, 200 km  (More)
22.-23.09.2023 Grindstone 100 Km (USA) 100km
9:12:46 h Grunewald, Justin   Overall: 3 M: 3 Cat M35: 1
29.04.2023 The Canyons Endurance 100 Km Run (USA) 100km
8:53:30 h Grunewald, Justin   Overall: 3 M: 3 Cat M35: 1
2022 2 Events, 106 km  (More)
04.11.2022 Antelope Island Fall Classic 50K (USA) 50km
3:26:49 h Grunewald, Justin *Boulder, CO  Overall: 1 M: 1 Cat M35: 1
25.08.2022 Orsières-Champex-Chamonix (OCC) (SUI) 56km
5:56:08 h Grunewald, Justin Altra/Rabbit  Overall: 12 M: 12 Cat M35: 5
2021 3 Events, 205 km  (More)
20.11.2021 Golden Gate Trail Classic 50 km Race (USA) 50km
3:33:23 h Grunewald, Justin *Minneapolis, MN  Overall: 1 M: 1 Cat M35: 1
07.08.2021 Silverton Ultra Dirty - 55K (USA) 55km
6:08:42 h Grunewald, Justin *CO  Overall: 1 M: 1 Cat M35: 1
14.02.2021 Black Canyon Trail 100 Km Run (USA) 100km
8:43:03 h Grunewald, Justin *Minneapolis, MN  Overall: 7 M: 7 Cat M35: 3
2020 3 Events, 200 km  (More)
17.10.2020 Wild Duluth 50 km Races (USA) 50km
4:09:43 h Grunewald, Justin *Minneapolis, MN  Overall: 1 M: 1 Cat M23: 1
07.03.2020 Way Too Cool 50K Endurance Run (USA) 50km
3:21:16 h Grunewald, Justin *Minneapolis, MN  Overall: 2 M: 2 Cat M23: 2
11.01.2020 Bandera 100 km Endurance Run (USA) 100km
9:20:56 h Grunewald, Justin *Minneapolis, MN  Overall: 8 M: 7 Cat M23: 7
2019 2 Events, 130.467 km  (More)
16.11.2019 Endurance Challenge - California Trail 50 km (USA) 50km
4:15:39 h Grunewald, Justin *Minneapolis, MN  Overall: 3 M: 3 Cat M23: 3
14.09.2019 Endurance Challenge - Wisconsin Trail 50 Miles (USA) 50mi
6:02:46 h Grunewald, Justin *Minneapolis, MN  Overall: 1 M: 1 Cat M23: 1
2018 1 Event, 50 km  (More)
07.07.2018 Afton Trail Run 50K (USA) 50km
3:30:14 h Grunewald, Justin *Minneapolis, MN  Overall: 1 M: 1 Cat M23: 1

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 2020 2019 2018

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2020 2019 2018
West Line Winder 50 km Race 2 3:57:45 3:54:17