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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Bosak, Keith   Submit Personal Website Send Link 
Club:  
Residence: Florence, MT
Year of birth: 1973 (Cat. german: M50)
Date of birth: 00.00.0000 (Cat. internat.: M50)
Nationality: USA USA United States
RunnerID: 1245704
 

17 search results (17 Events, 1029.706 km).  (More)

2025 2 Events, 101.499 km  (More)
12.04.2025 Yakima Skyline Rim 50k (USA) 50km
8:01:57 h Bosak, Keith   Overall: 45 M: 32 Cat M50: 7
15.02.2025 Running Up For Air - Mt. Sentinel (USA) 12h
51.499 km Bosak, Keith *Florence, MT  Overall: 14 M: 6 Cat M50: 2
2023 1 Event, 50 km  (More)
18.11.2023 Valley of Fire Backcountry（Fire Fest Ultra） (USA) 50km
9:20:16 h Bosak, Keith   Overall: 20 M: 17 Cat M45: 3
2022 3 Events, 191.966 km  (More)
01.10.2022 DC Peaks 50 Mi (USA) 50mi
13:28:22 h Bosak, Keith *Florence, MT  Overall: 51 M: 41 Cat M45: 3
23.07.2022 Standhope Ultra Challenge (USA) 60km
11:24:48 h Bosak, Keith *Florence, MT  Overall: 37 M: 25 Cat M45: 2
12.02.2022 Running Up For Air - Mt. Sentinel (USA) 12h
51.499 km Bosak, Keith *Florence, MT  Overall: 11 M: 7 Cat M45: 3
2021 1 Event, 50 km  (More)
23.05.2021 The Hootenanny 50km Trail Race (USA) 50km
5:57:13 h Bosak, Keith *Florence, MT  Overall: 32 M: 25 Cat M45: 3
2020 5 Events, 325.307 km  (More)
07.11.2020 Ancient Lakes 50 km Trail Run (USA) 50km
6:30:22 h Bosak, Keith *Florence, MT  Overall: 10 M: 10 Cat M45: 2
04.10.2020 The Hootenanny 50km Trail Race (USA) 50km
6:20:22 h Bosak, Keith *Florence, MT  Overall: 12 M: 8 Cat M45: 3
29.08.2020 White Pine 50 Mile Backcountry Run (USA) 50mi
13:17:30 h Bosak, Keith *Florence, MT  Overall: 16 M: 13 Cat M45: 1
06.06.2020 Trail Rail Run 50 Mile (USA) 50mi
9:01:35 h Bosak, Keith *Florence, MT  Overall: 3 M: 3 Cat M45: 1
29.02.2020 Mount Mitchell Challenge (USA) 40mi
4:39:39 h Bosak, Keith *Florence, MT  Overall: 66 M: 59 Cat M45: 10
2019 4 Events, 260.934 km  (More)
16.11.2019 Looking Glass 50mi Trail Race (USA) 50mi
11:48:28 h Bosak, Keith *Florence, MT  Overall: 40 M: 32 Cat M45: 2
05.10.2019 Whitefish Trail Legacy 50km Run (USA) 50km
12:30:00 h Bosak, Keith *Florence, MT  Overall: 40 M: 31 Cat M45: 2
08.06.2019 Trail Rail Run 50 Mile (USA) 50mi
10:37:16 h Bosak, Keith *Florence, MT  Overall: 34 M: 21 Cat M45: 4
18.05.2019 Smith Rock Ascent 50K (USA) 50km
6:45:27 h Bosak, Keith *Florence, MT  Overall: 188 M: 116 Cat M45: 15
2018 1 Event, 50 km  (More)
17.11.2018 Antelope Island Fall Classic 50K (USA) 50km
6:42:53 h Bosak, Keith *Florence, MT  Overall: 143 M: 92 Cat M40: 16

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 2020 2019 2018

Comparison table

Comparison of performances in races with multiple participations

   2025 2023 2022 2021 2020 2019 2018
Running Up For Air - Mt. Sentinel 2 51.499   51.499        
The Hootenanny 50km Trail Race 2       5:57:13 6:20:22    
Trail Rail Run 50 Mile 2         9:01:35 10:37:16