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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Klaus, Jon   Submit Personal Website Send Link 
Club:  
Residence: Garland, TX
Year of birth: 1964 (Cat. german: M60)
Date of birth: 19.01.1964 (Cat. internat.: M60)
Nationality: USA USA United States
RunnerID: 1218543
 

20 search results (20 Events, 2341.983 km).  (More)

2025 4 Events, 794.364 km  (More)
29.-30.11.2025 Sunset 24 Hour Endurance Challenge (USA) 24h
66.964 km Klaus, Jon *Greenville, TX  Overall: 25 M: 20 Cat M60: 1
25.-26.07.2025 Texas Endurance 24 Hour Endurance Runs (USA) 24h
58.419 km Klaus, Jon *Greenville, TX  Overall: 27 M: 17 Cat M60: 3
10.-20.07.2025 Last Annual Vol-State 500K Endurance Run (USA) 500km
8d 07:29:30 h Klaus, Jon *Greenville, TX  Overall: 54 M: 35 Cat M60: 5
16.-18.05.2025 3 Days at the Fair 48 Hour Race (USA) 48h
168.981 km Klaus, Jon *Greenville  Overall: 14 M: 11 Cat M60: 4
2024 1 Event, 177.027 km  (More)
29.08.-02.09.2024 A Race for the Ages (USA) 91h
177.027 km Klaus, Jon *Greenville, TX  Overall: 36 M: 26 Cat M60: 3
2023 4 Events, 437.015 km  (More)
25.11.2023 Sunset 12 Hour Endurance Challenge (USA) 12h
60.430 km Klaus, Jon *Garland, TX  Overall: 6 M: 3 Cat M55: 1
28.-30.07.2023 WRATH Texas 48 Hour Endurance Runs (USA) 48h
84.490 km Klaus, Jon *Garland, TX  Overall: 11 M: 9 Cat M55: 2
28.-30.07.2023 Texas Endurance 48 Hour Endurance Runs (USA) 48h
84.490 km Klaus, Jon *Garland, TX  Overall: 11 M: 9 Cat M55: 2
16.-19.02.2023 Jackalope Jam 72 Hour Race (USA) 72h
207.605 km Klaus, Jon *Greenville, TX  Overall: 3 M: 3 Cat M55: 1
2022 2 Events, 273.588 km  (More)
01.-05.09.2022 A Race for the Ages (USA) 90h
193.121 km Klaus, Jon **Garland, Tx  Overall: 21 M: 13 Cat M55: 4
12.02.2022 Rocky 50 Mile Trail Run (USA) 50mi
12:58:52 h Klaus, Jon *Garland, TX  Overall: 91 M: 60 Cat M55: 7
2021 4 Events, 307.79 km  (More)
27.11.2021 Sunset 12 Hour Endurance Challenge (USA) 12h
81.674 km Klaus, Jon *Greenville, Tx  Overall: 3 M: 2 Cat M55: 1
13.-16.05.2021 3 Days at the Fair 72 Hour Race (USA) 72h
85.295 km Klaus, Jon *Garland, TX  Overall: 56 M: 34 Cat M55: 4
10.04.2021 The Game Backyard Ultra (USA) 33h
60.354 km Klaus, Jon *Greenville, TX  Overall: 54 M: 48 Cat M55: 2
13.02.2021 Rocky 50 Mile Trail Run (USA) 50mi
13:36:33 h Klaus, Jon   Overall: 104 M: 71 Cat M55: 5
2019 3 Events, 196.015 km  (More)
29.11.2019 Sunset 12 Hour Endurance Challenge (USA) 12h
68.606 km Klaus, Jon *Greenville, TX  Overall: 5 M: 4 Cat M55: 1
13.-14.04.2019 The Game Backyard Ultra (USA) 23h
46.942 km Klaus, Jon   Overall: 32 M: 26 Cat M55: 1
09.02.2019 Rocky 50 Mile Trail Run (USA) 50mi
14:57:38 h Klaus, Jon *Garland, TX  Overall: 107 M: 73 Cat M55: 7
2018 2 Events, 156.184 km  (More)
23.-24.11.2018 Sunset 24 Hour Endurance Challenge (USA) 24h
106.184 km Klaus, Jon *Garland, TX  Overall: 5 M: 4 Cat M50: 1
20.10.2018 Oktoberfest Trail Run Festival (USA) 50km
6:55:16 h Klaus, Jon   Overall: 17 M: 15 Cat M50: 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 2019 2018
12h 81.674  
 
60.430
(2579/311) 		 
81.674
(1361/123) 		68.606
(2299/267) 		 
24h 106.184 66.964
(4069/777) 		 
 
 
 
 
106.184
(2767/373)
48h 168.981 168.981
(500/74) 		 
 
 
 
 
 

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2019 2018
Sunset 12 Hour Endurance Challenge 3     60.430   81.674 68.606  
Rocky 50 Mile Trail Run 3       12:58:52 13:36:33 14:57:38  
A Race for the Ages 2   177.027   193.121      
The Game Backyard Ultra 2         60.354 46.942  
Sunset 24 Hour Endurance Challenge 2 66.964           106.184