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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Koomen, Jason   Submit Personal Website Send Link 
Club:  
Residence: Findlay, OH
Year of birth: 1975 (Cat. german: M50)
Date of birth: 00.00.0000 (Cat. internat.: M50)
Nationality: USA USA United States
RunnerID: 564533
 

44 search results (44 Events, 6815.069 km).  (More)

2025 5 Events, 804.67 km  (More)
01.-02.11.2025 Rio Del Lago 100 Mile Endurance Run (USA) 100mi
26:54:19 h Koomen, Jason *Findlay, OH  Overall: 96 M: 69 Cat M45: 9
20.-21.09.2025 Mountain Lakes 100 (USA) 100mi
26:47:12 h Koomen, Jason *Findlay, OH  Overall: 35 M: 30 Cat M45: 4
28.-30.08.2025 Front Range Ultra Dayze 100Miles (USA) 100mi
24:40:51 h Koomen, Jason *Findlay, OH  Overall: 4 M: 3 Cat M45: 1
28.02.-01.03.2025 Carl Touchstone Memorial Mississippi Trail 100 Mile (USA) 100mi
25:49:31 h Koomen, Jason *Findlay, OH  Overall: 13 M: 9 Cat M45: 3
25.-26.01.2025 Angela Ivory 100 Mile Memorial Run (USA) 100mi
25:48:00 h Koomen, Jason *Findlay, OH  Overall: 6 M: 6 Cat M45: 3
2023 3 Events, 388.928 km  (More)
02.09.2023 Flag City Backyard Ultra (USA) 13h
67.060 km Koomen, Jason   Overall: 5 M: 4 Cat M45: 1
19.-20.08.2023 Lean Horse Ultra-Marathon 100 Mile (USA) 100mi
23:38:58 h Koomen, Jason *Findlay, OH  Overall: 11 M: 10 Cat M45: 2
14.-15.01.2023 Coldwater Rumble 100 Mile Race (USA) 100mi
25:04:55 h Koomen, Jason *Findlay, OH  Overall: 19 M: 14 Cat M45: 2
2022 4 Events, 643.736 km  (More)
10.-11.12.2022 Beast of the East (Monadnock Ultra) 100 Mile (USA) 100mi
28:19:50 h Koomen, Jason *Findlay, OH  Overall: 5 M: 5 Cat M45: 2
08.-09.10.2022 Tesla Hertz Run 100 Miles (USA) 100mi
25:06:31 h Koomen, Jason *Findlay, OH  Overall: 3 M: 3 Cat M45: 2
16.-18.07.2022 Vermont 100 Mile Endurance Race (USA) 100mi
27:34:34 h Koomen, Jason   Overall: 129 M: 102 Cat M45: 18
06.-07.05.2022 Salt Flats 100 Mile (USA) 100mi
28:27:41 h Koomen, Jason *Findlay, OH  Overall: 22 M: 15 Cat M45: 4
2021 3 Events, 388.928 km  (More)
31.12.2021-01.01.2022 Hainesport Hundred 100 Mile Endurance Run (USA) 100mi
20:23:17 h Koomen, Jason   Overall: 6 M: 6 Cat M45: 2
01.-03.08.2021 Bob's Big Timber Backyard Ultra (USA) 43h
67.060 km Koomen, Jason *Findlay, OH  Overall: 34 M: 31 Cat M45: 2
24.-25.04.2021 Knock on Wood Ultra - 100 Mile Run (USA) 100mi
23:45:36 h Koomen, Jason *Findlay, OH  Overall: 1 M: 1 Cat M45: 1
2020 4 Events, 643.736 km  (More)
05.-06.12.2020 The Fall 100 Mile Ultra Trail Race (USA) 100mi
26:41:53 h Koomen, Jason *Findlay, OH  Overall: 6 M: 6 Cat M40: 1
07.-08.11.2020 Rim to River 100 Mile Race (USA) 100mi
25:13:16 h Koomen, Jason *Findlay, OH  Overall: 30 M: 24 Cat M40: 7
25.-26.09.2020 The Yeti 100 Mile Endurance Run (USA) 100mi
19:40:00 h Koomen, Jason *Findlay, OH  Overall: 10 M: 8 Cat M40: 3
15.-17.02.2020 Outlaw 100 Oklahoma - 100 Mile Run (USA) 100mi
29:14:48 h Koomen, Jason *Findlay, OH  Overall: 2 M: 2 Cat M40: 2
2019 7 Events, 1127.117 km  (More)
14.-15.12.2019 Loup Garou 100 Mile Trail Run (USA) 100mi
22:17:29 h Koomen, Jason *Findlay, OH  Overall: 6 M: 6 Cat M40: 2
07.-08.12.2019 Brazos Bend 100 - 100 Mile (USA) 100mi
20:27:47 h Koomen, Jason *Findlay, OH  Overall: 27 M: 20 Cat M40: 5
05.-06.10.2019 Arkansas Traveller 100 (USA) 100mi
22:58:22 h Koomen, Jason *OH  Overall: 24 M: 19 Cat M40: 3
29.-30.06.2019 Forbidden Forest 30-Hour Ultra Run (USA) 30h
161.513 km Koomen, Jason *Findlay, OH  Overall: 5 M: 4 Cat M40: 1
01.-02.06.2019 Chesterfield Gorge 100 Mile Ultra Race (USA) 100mi
20:35:20 h Koomen, Jason   Overall: 1 M: 1 Cat M40: 1
11.-12.05.2019 Riverlands 100 (USA) 100mi
25:29:58 h Koomen, Jason *Findlay, OH  Overall: 11 M: 10 Cat M40: 1
29.-30.03.2019 Badger Mountain 100 Mile Challenge (USA) 100mi
23:37:02 h Koomen, Jason *Findlay, OH  Overall: 32 M: 30 Cat M40: 12
2018 7 Events, 1046.071 km  (More)
01.12.2018 The Fall 50 Mile Ultra Trail Race (USA) 50mi
12:48:04 h Koomen, Jason *Findlay, OH  Overall: 3 M: 3 Cat M40: 1
03.-04.11.2018 Ozark Trail 100 Mile Endurance Run (USA) 100mi
26:48:09 h Koomen, Jason *OH  Overall: 13 M: 12 Cat M40: 5
08.-09.09.2018 Hawk Hundred - 100 Mile Trail Run (USA) 100mi
23:37:36 h Koomen, Jason *Findlay, OH  Overall: 5 M: 5 Cat M40: 2
17.-18.08.2018 Anchor Down Ultra 24 Hour Run (USA) 24h
160.934 km Koomen, Jason   Overall: 6 M: 3 Cat M40: 1
02.-03.06.2018 Lighthouse 100-Mile Ultra (USA) 100mi
21:26:44 h Koomen, Jason *OH  Overall: 9 M: 6 Cat M40: 2
28.-29.04.2018 C&O Canal 100 Mile (USA) 100mi
20:42:59 h Koomen, Jason *Findlay, OH  Overall: 7 M: 6 Cat M40: 2
13.-14.01.2018 HURT 100 Endurance Run 100 Mile (USA) 100mi
33:58:42 h Koomen, Jason *Findlay, OH  Overall: 46 M: 38 Cat M40: 6
2017 4 Events, 643.736 km  (More)
11.-12.11.2017 Tunnel Hill 100 Mile Race (USA) 100mi
19:14:48 h Koomen, Jason *Findlay, OH  Overall: 20 M: 16 Cat M40: 2
21.-22.10.2017 Ghost Train Rail Trail Races 100 Mile (USA) 100mi
20:45:13 h Koomen, Jason *Findlay, OH  Overall: 15 M: 12 Cat M40: 2
14.-15.10.2017 Oil Creek 100 Miles Trail Run (USA) 100mi
24:47:15 h Koomen, Jason *Findlay, OH  Overall: 15 M: 14 Cat M40: 3
25.-26.02.2017 Dunes 100 - 100-Mile Run (USA) 100mi
26:24:47 h Koomen, Jason *Findlay, OH  Overall: 10 M: 7 Cat M40: 3
2016 4 Events, 643.736 km  (More)
10.-11.12.2016 The Hitchcock Experience 100 Miles (USA) 100mi
25:19:48 h Koomen, Jason *Findlay, OH  Overall: 4 M: 4 Cat M40: 2
21.-23.10.2016 Darkside Distance Festival - Running Dead 100-Mile Run (USA) 100mi
19:05:00 h Koomen, Jason   Overall: 1 M: 1 Cat M40: 1
30.04.-01.05.2016 Indiana Trail 100 Mile (USA) 100mi
21:53:06 h Koomen, Jason *Findlay, OH  Overall: 15 M: 14 Cat M40: 2
02.-03.01.2016 The Pistol 100 Mile Ultra Run (USA) 100mi
17:31:47 h Koomen, Jason *Findlay, OH  Overall: 4 M: 3 Cat M40: 3
2015 1 Event, 160.934 km  (More)
07.-08.11.2015 Pinhoti 100 Mile (USA) 100mi
24:37:18 h Koomen, Jason *Findlay, OH  Overall: 30 M: 26 Cat M35: 6
2014 2 Events, 323.477 km  (More)
08.-09.11.2014 tBunk Endurance Challenge 100 Mile (USA) 101mi
17:28:42 h Koomen, Jason *OH  Overall: 2 M: 2 Cat M35: 1
02.-03.08.2014 Burning River 100 Mile Endurance Run (USA) 100mi
20:26:21 h Koomen, Jason *Findlay, OH  Overall: 5 M: 5 Cat M35: 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 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
100mi 19:14:48  
 
 
20:23:17
(357/41) 		 
 
 
19:14:48
(165/36)