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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Karczmarek, Jonathan   Submit Personal Website Send Link 
Club:  
Residence: Frederick, MD
Year of birth: 1994 (Cat. german: M30)
Date of birth: 00.00.0000 (Cat. internat.: M23)
Nationality: USA USA United States
RunnerID: 625853
 

16 search results (16 Events, 857.604 km).  (More)

2023 1 Event, 69.201 km  (More)
04.02.2023 Froggy Hollow 9h (USA) 9h
69.201 km Karczmarek, Jonathan *Cockeysville, MD  Overall: 11 M: 4 Cat M23: 2
2022 2 Events, 100 km  (More)
29.10.2022 Patapsco Valley 50K (USA) 50km
7:13:04 h Karczmarek, Jonathan *Cockeysville, MD  Overall: 95 M: 80 Cat M23: 27
09.07.2022 Catoctin 50k Trail Run (USA) 50km
8:49:04 h Karczmarek, Jonathan *Cockeysville, MD  Overall: 103 M: 90 Cat M23: 22
2021 1 Event, 50 km  (More)
13.11.2021 Rosaryville Veterans Day 50K (USA) 50km
6:35:35 h Karczmarek, Jonathan *Cockeysville, MD  Overall: 59 M: 41 Cat M23: 13
2019 2 Events, 100 km  (More)
09.11.2019 Rosaryville Veterans Day 50K (USA) 50km
5:18:59 h Karczmarek, Jonathan *Cockeysville, MD  Overall: 18 M: 17 Cat M23: 6
27.04.2019 Endurance Challenge - Washington D.C. Trail 50 km (USA) 50km
5:12:21 h Karczmarek, Jonathan *Cockeysville, MD  Overall: 39 M: 33 Cat M23: 12
2018 3 Events, 188.403 km  (More)
17.11.2018 Stone Mill 50 Mile Run (USA) 50mi
11:24:54 h Karczmarek, Jonathan *Frederick, MD  Overall: 91 M: 80 Cat M23: 23
14.07.2018 Catoctin 50k Trail Run (USA) 50km
7:07:22 h Karczmarek, Jonathan *Towson, MD  Overall: 29 M: 24 Cat M23: 5
05.05.2018 Farm Park Challenge - 10 Hour Run (USA) 10h
57.936 km Karczmarek, Jonathan   Overall: 6 M: 6 Cat M23: 6
2017 3 Events, 150 km  (More)
28.10.2017 Patapsco Valley 50K (USA) 50km
6:22:24 h Karczmarek, Jonathan *Towson, MD  Overall: 50 M: 41 Cat MU23: 3
15.07.2017 Catoctin 50k Trail Run (USA) 50km
8:03:55 h Karczmarek, Jonathan *Fredrick, MD  Overall: 80 M: 64 Cat MU23: 2
18.03.2017 The HAT Run 50K (USA) 50km
5:24:09 h Karczmarek, Jonathan *Towson, MD  Overall: 37 M: 33 Cat MU23: 1
2015 2 Events, 100 km  (More)
24.10.2015 Patapsco Valley 50K (USA) 50km
6:10:13 h Karczmarek, Jonathan *Towson, MD  Overall: 60 M: 55 Cat MU23: 8
11.07.2015 Catoctin 50k Trail Run (USA) 50km
7:23:31 h Karczmarek, Jonathan *Frederick, MD  Overall: 45 M: 39 Cat MU23: 1
2014 1 Event, 50 km  (More)
26.07.2014 Catoctin 50k Trail Run (USA) 50km
5:56:55 h Karczmarek, Jonathan *Frederick, MD  Overall: 9 M: 7 Cat MU23: 1
2013 1 Event, 50 km  (More)
27.07.2013 Catoctin 50k Trail Run (USA) 50km
6:39:14 h Karczmarek, Jonathan *Frederick, MD  Overall: 30 M: 27 Cat MU23: 2

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 2023 2022 2021 2019 2018 2017 2015 2014 2013

Comparison table

Comparison of performances in races with multiple participations

   2023 2022 2021 2019 2018 2017 2015 2014 2013
Catoctin 50k Trail Run 6   8:49:04     7:07:22 8:03:55 7:23:31 5:56:55 6:39:14
Patapsco Valley 50K 3   7:13:04       6:22:24 6:10:13    
Rosaryville Veterans Day 50K 2     6:35:35 5:18:59