Select your language:
Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Klemm, Jeffrey   Submit Personal Website Send Link 
Club: VHTRC 
Residence: Mclean, VA
Year of birth: 1951 (Cat. german: M75)
Date of birth: 09.01.1951 (Cat. internat.: M75)
Nationality: USA USA United States
RunnerID: 469970
 

83 search results (83 Events, 4233.937 km).  (More)

2025 2 Events, 100 km  (More)
09.08.2025 Martha Moats Baker Memorial 50k (USA) 50km
9:24:00 h Klemm, Jeffrey *VA  Overall: 23 M: 17 Cat M70: 2
22.02.2025 Hashawha Hills 50 km Trail Run (USA) 50km
9:12:00 h Klemm, Jeffrey *Mclean, VA  Overall: 95 M: 72 Cat M70: 1
2024 2 Events, 100 km  (More)
24.02.2024 Hashawha Hills 50 km Trail Run (USA) 50km
8:41:25 h Klemm, Jeffrey   Overall: 96 M: 64 Cat M70: 1
01.01.2024 Red Eye 50km (USA) 50km
8:45:00 h Klemm, Jeffrey   Overall: 33 M: 25 Cat M70: 1
2023 10 Events, 498.28 km  (More)
09.12.2023 Magnus Gluteus Maximus 50 km (USA) 50km
9:19:00 h Klemm, Jeffrey *VA  Overall: 50 M: 41 Cat M70: 1
05.11.2023 Potomac Heritage Trail (USA) 50km
8:44:00 h Klemm, Jeffrey   Overall: 33 M: 22 Cat M70: 2
08.10.2023 Rick O'Donnell 8-hour Ultra Challenge (USA) 8h
48.280 km Klemm, Jeffrey *Mc Lean, VA  Overall: 25 M: 8 Cat M70: 1
19.08.2023 MD Heat Trail Race (USA) 50km
8:38:12 h Klemm, Jeffrey *Mclean, VA  Overall: 35 M: 26 Cat M70: 1
12.08.2023 Martha Moats Baker Memorial 50k (USA) 50km
8:55:00 h Klemm, Jeffrey   Overall: 13 M: 12 Cat M70: 1
22.07.2023 Catherine's 50k Run (USA) 50km
10:52:00 h Klemm, Jeffrey   Overall: 70 M: 54 Cat M70: 4
28.05.2023 Holy Cowan's Gap 50k+ (USA) 50km
11:41:00 h Klemm, Jeffrey *VA  Overall: 29 M: 18 Cat M70: 1
25.03.2023 Greenbrier 50k Fun Run (USA) 50km
9:39:13 h Klemm, Jeffrey *Mclean, VA  Overall: 30 M: 26 Cat M70: 1
11.03.2023 Elizabeth's Furnace Fat Ass 50 km Race (USA) 50km
10:49:00 h Klemm, Jeffrey   Overall: 50 M: 38 Cat M70: 1
25.02.2023 Hashawha Hills 50 km Trail Run (USA) 50km
8:51:11 h Klemm, Jeffrey *Mclean, VA  Overall: 95 M: 58 Cat M70: 1
2022 11 Events, 545.383 km  (More)
10.12.2022 Magnus Gluteus Maximus 50 km (USA) 50km
9:12:00 h Klemm, Jeffrey   Overall: 39 M: 24 Cat M70: 1
06.11.2022 Potomac Heritage Trail (USA) 50km
8:49:00 h Klemm, Jeffrey   Overall: 17 M: 13 Cat M70: 2
28.10.2022 The Hot Wild Oak Trail 28 Mile Race (USA) 28.2mi
9:59:00 h Klemm, Jeffrey   Overall: 13 M: 12 Cat M70: 1
24.09.2022 The Big Schloss 50K (USA) 50km
10:45:15 h Klemm, Jeffrey   Overall: 49 M: 33 Cat M70: 1
13.08.2022 Martha Moats Baker Memorial 50k (USA) 50km
9:47:00 h Klemm, Jeffrey *VA  Overall: 16 M: 13 Cat M70: 1
23.07.2022 Catherine's 50k Run (USA) 50km
10:37:00 h Klemm, Jeffrey *VA  Overall: 52 M: 40 Cat M70: 3
29.05.2022 Holy Cowan's Gap 50k+ (USA) 50km
10:57:00 h Klemm, Jeffrey *VA  Overall: 37 M: 26 Cat M70: 1
30.04.2022 Ultra Race of Champions (UROC) 50K (USA) 50km
8:42:15 h Klemm, Jeffrey   Overall: 53 M: 37 Cat M70: 1
25.03.2022 Greenbrier 50k Fun Run (USA) 50km
8:07:26 h Klemm, Jeffrey *Mclean, VA  Overall: 50 M: 45 Cat M70: 1
26.02.2022 Hashawha Hills 50 km Trail Run (USA) 50km
8:46:10 h Klemm, Jeffrey *McLean, VA  Overall: 90 M: 60 Cat M70: 1
01.01.2022 Red Eye 50km (USA) 50km
8:48:00 h Klemm, Jeffrey   Overall: 20 M: 18 Cat M70: 2
2021 9 Events, 445.383 km  (More)
11.12.2021 Magnus Gluteus Maximus 50 km (USA) 50km
8:33:00 h Klemm, Jeffrey *VA  Overall: 41 M: 31 Cat M70: 1
13.11.2021 Rosaryville Veterans Day 50K (USA) 50km
7:51:59 h Klemm, Jeffrey *Mclean, VA  Overall: 99 M: 65 Cat M70: 1
30.10.2021 PB&J Fat Ass 50K (USA) 50km
9:00:00 h Klemm, Jeffrey *VA  Overall: 40 M: 26 Cat M70: 2
17.10.2021 The Hot Wild Oak Trail 28 Mile Race (USA) 28.2mi
10:20:00 h Klemm, Jeffrey   Overall: 11 M: 9 Cat M70: 1
02.10.2021 Hemlock Overlook 50 km Race (USA) 50km
8:31:00 h Klemm, Jeffrey *VA  Overall: 26 M: 19 Cat M70: 2
25.09.2021 The Big Schloss 50K (USA) 50km
10:21:00 h Klemm, Jeffrey   Overall: 44 M: 30 Cat M70: 2
14.08.2021 Martha Moats Baker Memorial 50k (USA) 50km
11:28:00 h Klemm, Jeffrey *VA  Overall: 37 M: 27 Cat M70: 2
24.07.2021 Catherine's 50k Run (USA) 50km
9:51:00 h Klemm, Jeffrey *VA  Overall: 64 M: 40 Cat M70: 2
13.03.2021 Elizabeth's Furnace Fat Ass 50 km Race (USA) 50km
10:42:00 h Klemm, Jeffrey *VA  Overall: 32 M: 24 Cat M70: 1
2020 2 Events, 100 km  (More)
29.02.2020 Hashawha Hills 50 km Trail Run (USA) 50km
7:58:57 h Klemm, Jeffrey *Mclean, VA  Overall: 100 M: 65 Cat M65: 3
01.01.2020 Red Eye 50km (USA) 50km
8:08:00 h Klemm, Jeffrey *Mclean, VA  Overall: 39 M: 31 Cat M65: 3
2019 9 Events, 450 km  (More)
09.11.2019 Rosaryville Veterans Day 50K (USA) 50km
7:52:59 h Klemm, Jeffrey   Overall: 130 M: 86 Cat M65: 2
27.10.2019 Marine Corps 50km Marathon Race (USA) 50km
6:59:16 h Klemm, Jeffrey *Mc Lean, VA  Overall: 1191 M: 758 Cat M65: 5
05.10.2019 PB&J Fat Ass 50K (USA) 50km
8:29:00 h Klemm, Jeffrey   Overall: 61 M: 37 Cat M65: 1
28.09.2019 The Big Schloss 50K (USA) 50km
10:13:00 h Klemm, Jeffrey   Overall: 28 M: 22 Cat M65: 1
26.05.2019 Holy Cowan's Gap 50k+ (USA) 50km
10:10:00 h Klemm, Jeffrey *VA  Overall: 28 M: 17 Cat M65: 2
27.04.2019 Promise Land 50K++ (USA) 50km
9:52:44 h Klemm, Jeffrey *Mclean, VA  Overall: 282 M: 188 Cat M65: 2
13.04.2019 Gunpowder Keg Ultra (USA) 50km
8:54:41 h Klemm, Jeffrey   Overall: 32 M: 24 Cat M65: 1
16.03.2019 Elizabeth's Furnace Fat Ass 50 km Race (USA) 50km
10:03:00 h Klemm, Jeffrey *VA  Overall: 56 M: 48 Cat M65: 3
02.03.2019 Seneca Creek Greenway Trail 50k (USA) 50km
8:43:46 h Klemm, Jeffrey *Mclean, VA  Overall: 117 M: 83 Cat M65: 1
2018 12 Events, 664.424 km  (More)
08.12.2018 Magnus Gluteus Maximus 50 km (USA) 50km
8:56:00 h Klemm, Jeffrey *Mc Lean, VA  Overall: 57 M: 40 Cat M65: 2
17.11.2018 Little Gunpowder 50K (USA) 50km
8:18:53 h Klemm, Jeffrey   Overall: 43 M: 33 Cat M65: 1
04.11.2018 Potomac Heritage Trail (USA) 50km
8:18:00 h Klemm, Jeffrey   Overall: 25 M: 22 Cat M65: 2
06.10.2018 PB&J Fat Ass 50K (USA) 50km
7:38:00 h Klemm, Jeffrey *VA  Overall: 39 M: 22 Cat M65: 1
29.09.2018 The Big Schloss 50K (USA) 50km
9:36:00 h Klemm, Jeffrey   Overall: 27 M: 20 Cat M65: 2
01.-02.09.2018 The Ring 71-mile Run (USA) 71.1mi
28:04:00 h Klemm, Jeffrey *VA  Overall: 38 M: 27 Cat M65: 2
11.08.2018 Martha Moats Baker Memorial 50k (USA) 50km
10:16:00 h Klemm, Jeffrey *VA  Overall: 43 M: 33 Cat M65: 1
27.05.2018 Holy Cowan's Gap 50k+ (USA) 50km
10:05:00 h Klemm, Jeffrey *VA  Overall: 37 M: 25 Cat M65: 2
28.04.2018 Endurance Challenge - Washington D.C. Trail 50 km (USA) 50km
7:52:06 h Klemm, Jeffrey *Mc Lean, VA  Overall: 278 M: 203 Cat M65: 2
14.04.2018 Gunpowder Keg Ultra (USA) 50km
8:49:32 h Klemm, Jeffrey   Overall: 29 M: 21 Cat M65: 1
17.03.2018 Elizabeth's Furnace Fat Ass 50 km Race (USA) 50km
10:01:00 h Klemm, Jeffrey *VA  Overall: 54 M: 41 Cat M65: 3
24.02.2018 Hashawha Hills 50 km Trail Run (USA) 50km
8:00:19 h Klemm, Jeffrey *Mclean, VA  Overall: 94 M: 66 Cat M65: 1
2017 10 Events, 530.467 km  (More)
09.12.2017 Magnus Gluteus Maximus 50 km (USA) 50km
8:58:00 h Klemm, Jeffrey   Overall: 43 M: 32 Cat M65: 4
18.11.2017 Little Gunpowder 50K (USA) 50km
7:54:04 h Klemm, Jeffrey *VA  Overall: 40 M: 32 Cat M65: 1
11.11.2017 Rosaryville Veterans Day 50K (USA) 50km
7:41:36 h Klemm, Jeffrey *Mclean, VA  Overall: 79 M: 47 Cat M65: 1
07.10.2017 PB&J Fat Ass 50K (USA) 50km
7:36:00 h Klemm, Jeffrey   Overall: 34 M: 19 Cat M65: 2
30.09.2017 The Big Schloss 50K (USA) 50km
9:21:00 h Klemm, Jeffrey   Overall: 30 M: 19 Cat M65: 3
28.05.2017 Holy Cowan's Gap 50k+ (USA) 50km
9:31:00 h Klemm, Jeffrey *VA  Overall: 31 M: 25 Cat M65: 2
29.04.2017 Gunpowder Keg Ultra (USA) 50km
8:49:25 h Klemm, Jeffrey   Overall: 20 M: 16 Cat M65: 2
08.04.2017 Bull Run Run 50 Miler (USA) 50mi
12:45:08 h Klemm, Jeffrey *Mclean, VA  Overall: 276 M: 206 Cat M65: 6
04.03.2017 Seneca Creek Greenway Trail 50k (USA) 50km
8:11:25 h Klemm, Jeffrey *Mclean, VA  Overall: 143 M: 86 Cat M65: 3
01.01.2017 Red Eye 50km (USA) 50km
7:32:00 h Klemm, Jeffrey *Mclean, VA  Overall: 22 M: 17 Cat M65: 2
2016 5 Events, 250 km  (More)
10.12.2016 Magnus Gluteus Maximus 50 km (USA) 50km
7:38:00 h Klemm, Jeffrey *VA  Overall: 53 M: 41 Cat M65: 3
19.11.2016 Little Gunpowder 50K (USA) 50km
7:45:55 h Klemm, Jeffrey   Overall: 45 M: 32 Cat M65: 1
06.11.2016 Potomac Heritage Trail (USA) 50km
7:30:00 h Klemm, Jeffrey   Overall: 21 M: 14 Cat M65: 1
01.10.2016 PB&J Fat Ass 50K (USA) 50km
7:38:00 h Klemm, Jeffrey *VA  Overall: 34 M: 23 Cat M65: 3
01.01.2016 Red Eye 50km (USA) 50km
7:58:00 h Klemm, Jeffrey   Overall: 38 M: 26 Cat M60: 7
2015 4 Events, 200 km  (More)
05.12.2015 Magnus Gluteus Maximus 50 km (USA) 50km
7:20:00 h Klemm, Jeffrey *Mclean, VA  Overall: 59 M: 46 Cat M60: 3
08.11.2015 Potomac Heritage Trail (USA) 50km
7:23:00 h Klemm, Jeffrey   Overall: 27 M: 24 Cat M60: 1
10.10.2015 PB&J Fat Ass 50K (USA) 50km
7:23:00 h Klemm, Jeffrey   Overall: 27 M: 20 Cat M60: 4
28.02.2015 Hashawha Hills 50 km Trail Run (USA) 50km
8:36:29 h Klemm, Jeffrey *Mclean, VA  Overall: 44 M: 37 Cat M60: 3
2014 2 Events, 100 km  (More)
13.12.2014 Magnus Gluteus Maximus 50 km (USA) 50km
7:14:00 h Klemm, Jeffrey *VA  Overall: 57 M: 50 Cat M60: 3
02.11.2014 Potomac Heritage Trail (USA) 50km
7:28:00 h Klemm, Jeffrey   Overall: 22 M: 15 Cat M60: 1
2013 1 Event, 50 km  (More)
09.11.2013 Rosaryville Veterans Day 50K (USA) 50km
6:29:16 h Klemm, Jeffrey *Mclean, VA  Overall: 118 M: 77 Cat M60: 2
2012 2 Events, 100 km  (More)
04.11.2012 Potomac Heritage Trail (USA) 50km
7:24:00 h Klemm, Jeffrey   Overall: 24 M: 19 Cat M60: 1
03.03.2012 Seneca Creek Greenway Trail 50k (USA) 50km
6:41:36 h Klemm, Jeffrey *Mclean, VA  Overall: 91 M: 78 Cat M60: 1
2011 1 Event, 50 km  (More)
13.11.2011 Potomac Heritage Trail (USA) 50km
7:16:00 h Klemm, Jeffrey   Overall: 29 M: 22 Cat M60: 1
2010 1 Event, 50 km  (More)
07.11.2010 Potomac Heritage Trail (USA) 50km
6:40:00 h Klemm, Jeffrey   Overall: 29 M: 24 Cat M55: 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 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010
Potomac Heritage Trail 9     8:44:00 8:49:00       8:18:00   7:30:00 7:23:00 7:28:00   7:24:00 7:16:00 6:40:00
Magnus Gluteus Maximus 50 km 8     9:19:00 9:12:00 8:33:00     8:56:00 8:58:00 7:38:00 7:20:00 7:14:00        
Hashawha Hills 50 km Trail Run 7 9:12:00 8:41:25 8:51:11 8:46:10   7:58:57   8:00:19     8:36:29          
PB&J Fat Ass 50K 6         9:00:00   8:29:00 7:38:00 7:36:00 7:38:00 7:23:00          
Red Eye 50km 5   8:45:00   8:48:00   8:08:00     7:32:00 7:58:00            
Martha Moats Baker Memorial 50k 5 9:24:00   8:55:00 9:47:00 11:28:00     10:16:00                
Holy Cowan's Gap 50k+ 5     11:41:00 10:57:00     10:10:00 10:05:00 9:31:00              
The Big Schloss 50K 5       10:45:15 10:21:00   10:13:00 9:36:00 9:21:00              
Elizabeth's Furnace Fat Ass 50 km Race 4     10:49:00   10:42:00   10:03:00 10:01:00                
Rosaryville Veterans Day 50K 4         7:51:59   7:52:59   7:41:36       6:29:16      
Catherine's 50k Run 3     10:52:00 10:37:00 9:51:00                      
Seneca Creek Greenway Trail 50k 3             8:43:46   8:11:25         6:41:36    
Little Gunpowder 50K 3               8:18:53 7:54:04 7:45:55            
Gunpowder Keg Ultra 3             8:54:41 8:49:32 8:49:25              
Greenbrier 50k Fun Run 2     9:39:13 8:07:26                        
The Hot Wild Oak Trail 28 Mile Race 2       9:59:00 10:20:00