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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Guruswamy, Kowsik   Submit Personal Website Send Link 
Club:  
Residence: Mountain View, CA
Year of birth: 1971 (Cat. german: M55)
Date of birth: 00.00.0000 (Cat. internat.: M50)
Nationality: USA USA United States
RunnerID: 462230
 

39 search results (39 Events, 2302.598 km).  (More)

2025 1 Event, 55 km  (More)
18.10.2025 Lake Sonoma 100K & 50K (USA) 55km
7:17:31 h Guruswamy, Kowsik *Mountain View, CA  Overall: 49 M: 36 Cat M50: 3
2024 1 Event, 50 km  (More)
04.08.2024 Skyline 50k Endurance Run (USA) 50km
6:18:55 h Guruswamy, Kowsik *Mountain View, CA  Overall: 50 M: 37 Cat M50: 8
2019 1 Event, 50 km  (More)
04.08.2019 Skyline 50k Endurance Run (USA) 50km
6:06:24 h Guruswamy, Kowsik *Mountain View, CA  Overall: 69 M: 51 Cat M45: 8
2018 4 Events, 230.467 km  (More)
01.-02.09.2018 Headlands Hundred 50 Mile Endurance Run (USA) 50mi
11:26:46 h Guruswamy, Kowsik *Mountain View, CA  Overall: 8 M: 5 Cat M45: 2
12.05.2018 Quicksilver 50 km Endurance Run (USA) 50km
6:20:55 h Guruswamy, Kowsik *Mountain View, CA  Overall: 44 M: 35 Cat M45: 3
10.03.2018 Marin Ultra Challenge 50 km Race (USA) 50km
5:40:34 h Guruswamy, Kowsik *Mountain View, CA  Overall: 67 M: 55 Cat M45: 8
03.02.2018 Fort Ord 50K Trail Run (USA) 50km
6:32:16 h Guruswamy, Kowsik *Mountain View, CA  Overall: 54 M: 41 Cat M45: 7
2017 7 Events, 445.263 km  (More)
03.12.2017 Vista Verde Skyline Run (USA) 50km
6:05:58 h Guruswamy, Kowsik *Mountain View, CA  Overall: 10 M: 7 Cat M45: 2
18.11.2017 Woodside Trail Run 50K (USA) 50km
5:50:33 h Guruswamy, Kowsik *Mountain View, CA  Overall: 13 M: 9 Cat M45: 5
09.-10.09.2017 Headlands Hundred 50 Mile Endurance Run (USA) 50mi
11:33:47 h Guruswamy, Kowsik *Mountain View, CA  Overall: 24 M: 19 Cat M45: 2
22.-23.07.2017 The San Francisco Ultramarathon (USA) 52.4mi
9:38:47 h Guruswamy, Kowsik   Overall: 14 M: 14 Cat M45: 4
13.05.2017 Quicksilver 50 km Endurance Run (USA) 50km
6:07:01 h Guruswamy, Kowsik *Mountain View, CA  Overall: 28 M: 25 Cat M45: 3
01.04.2017 American River 50 Mile Endurance Run (USA) 50mi
10:00:17 h Guruswamy, Kowsik *Mountain View, CA  Overall: 111 M: 88 Cat M45: 13
21.01.2017 Crystal Springs 50 km Winter Trail Run (USA) 50km
5:51:16 h Guruswamy, Kowsik *Mountain View, CA  Overall: 18 M: 15 Cat M45: 3
2016 9 Events, 530.467 km  (More)
04.12.2016 Hunter S. Thompson Fear & Loathing 50 Km (USA) 50km
5:51:00 h Guruswamy, Kowsik *Mountain View, CA  Overall: 4 M: 3 Cat M40: 1
12.11.2016 Mt. Tam Trail Run (USA) 50km
6:39:18 h Guruswamy, Kowsik *Mountain View, CA  Overall: 57 M: 48 Cat M40: 9
07.08.2016 Skyline 50k Endurance Run (USA) 50km
5:29:48 h Guruswamy, Kowsik   Overall: 40 M: 32 Cat M40: 6
09.07.2016 Mt. Hood 50 Mile Trail Run (USA) 50mi
9:26:42 h Guruswamy, Kowsik *Mountain View, CA  Overall: 43 M: 36 Cat M40: 5
14.05.2016 Quicksilver 100 km Endurance Run (USA) 100km
14:15:00 h Guruswamy, Kowsik *Mountain View, CA  Overall: 73 M: 64 Cat M40: 21
23.04.2016 Mendocino Coast 50K Ultra Trail Run (USA) 50km
5:30:25 h Guruswamy, Kowsik *Mountain View, CA  Overall: 21 M: 18 Cat M40: 2
12.03.2016 Marin Ultra Challenge 50 km Race (USA) 50km
5:27:00 h Guruswamy, Kowsik *Mountain, CA  Overall: 50 M: 43 Cat M40: 8
20.02.2016 Run for Amma 50 Km (USA) 50km
5:54:00 h Guruswamy, Kowsik *Mountain View, CA  Overall: 7 M: 6 Cat M40: 3
23.01.2016 Crystal Springs 50 km Winter Trail Run (USA) 50km
5:27:39 h Guruswamy, Kowsik *Mountain View, CA  Overall: 15 M: 15 Cat M40: 4
2015 6 Events, 410.934 km  (More)
10.10.2015 Dick Collins Firetrails 50 Mile (USA) 50mi
9:55:29 h Guruswamy, Kowsik *Mountain View, CA  Overall: 52 M: 42 Cat M40: 11
08.08.2015 Skyline 50k Endurance Run (USA) 50km
4:57:22 h Guruswamy, Kowsik *Mountain View, CA  Overall: 25 M: 22 Cat M40: 4
02.05.2015 Miwok 100k Trail Race (USA) 100km
13:51:00 h Guruswamy, Kowsik *Mountain View, CA  Overall: 159 M: 128 Cat M40: 23
04.04.2015 American River 50 Mile Endurance Run (USA) 50mi
9:11:20 h Guruswamy, Kowsik *Mountain View, CA  Overall: 93 M: 74 Cat M40: 16
14.03.2015 Marin Ultra Challenge 50 km Race (USA) 50km
5:41:29 h Guruswamy, Kowsik *Mountain View, CA  Overall: 37 M: 28 Cat M40: 7
07.02.2015 Sean O'Brien 50 km Trail Race (USA) 50km
5:59:52 h Guruswamy, Kowsik   Overall: 26 M: 19 Cat M40: 3
2014 7 Events, 380.467 km  (More)
14.12.2014 Woodside Ramble 50K - Winter (USA) 50km
5:18:09 h Guruswamy, Kowsik *Mountain View, CA  Overall: 18 M: 15 Cat M40: 4
15.11.2014 Mt. Tam Trail Run (USA) 50km
6:24:34 h Guruswamy, Kowsik *Mountain View, CA  Overall: 40 M: 36 Cat M40: 5
27.09.2014 Stevens Creek Striders 50K (USA) 50km
5:46:20 h Guruswamy, Kowsik *Mountain View, CA  Overall: 6 M: 6 Cat M40: 2
03.08.2014 Skyline 50k Endurance Run (USA) 50km
5:04:41 h Guruswamy, Kowsik   Overall: 37 M: 35 Cat M40: 6
12.04.2014 Lake Sonoma 50 Mile Race (USA) 50mi
11:35:16 h Guruswamy, Kowsik *Mountain View, CA  Overall: 221 M: 168 Cat M40: 33
08.03.2014 Way Too Cool 50K Endurance Run (USA) 50km
6:04:11 h Guruswamy, Kowsik *Mountain View, CA  Overall: 461 M: 343 Cat M40: 67
01.02.2014 Fort Ord 50K Trail Run (USA) 50km
6:02:45 h Guruswamy, Kowsik *Mountain View  Overall: 15 M: 15 Cat M40: 1
2013 3 Events, 150 km  (More)
28.09.2013 Berkeley Trail Adventure (USA) 50km
6:16:17 h Guruswamy, Kowsik *Mountain View  Overall: 15 M: 11 Cat M40: 1
24.08.2013 Headwaters Trail Run 50K (USA) 50km
6:46:35 h Guruswamy, Kowsik *Mountain View, CA  Overall: 25 M: 20 Cat M40: 3
09.06.2013 Big Basin - Skyline to the Sea 50 Km (USA) 50km
5:29:03 h Guruswamy, Kowsik *Sunnyvale, CA  Overall: 52 M: 42 Cat M40: 7

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 2019 2018 2017 2016 2015 2014 2013

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2019 2018 2017 2016 2015 2014 2013
Skyline 50k Endurance Run 5   6:18:55 6:06:24     5:29:48 4:57:22 5:04:41  
Marin Ultra Challenge 50 km Race 3       5:40:34   5:27:00 5:41:29    
Fort Ord 50K Trail Run 2       6:32:16       6:02:45  
Mt. Tam Trail Run 2           6:39:18   6:24:34  
Crystal Springs 50 km Winter Trail Run 2         5:51:16 5:27:39      
American River 50 Mile Endurance Run 2         10:00:17   9:11:20    
Headlands Hundred 50 Mile Endurance Run 2       11:26:46 11:33:47        
Quicksilver 50 km Endurance Run 2       6:20:55 6:07:01