Kowsik Guruswamy (M55)
2026
4 Races | 174 mi.Quicksilver
May 9th 2026
| San Jose, CA
Distance
100 KM
Overall
51
/ 179
Division (M)
45
/ 142
13:27:12
Diablo Trails Challenge
Apr 4th 2026
| Walnut Creek, CA
Distance
50 KM
Overall
48
/ 127
Division (M)
38
/ 98
7:17:58
Marin Ultra Challenge
Mar 14th 2026
| Sausalito, CA
Distance
50 Miles
Overall
73
/ 175
Division (M)
62
/ 123
11:16:45
Skyline Ridge Trail Run
Mar 7th 2026
| La Honda, CA
Distance
50 KM
Overall
5
/ 32
Division (M)
3
/ 22
6:09:00
2025
1 Race | 34 mi.California Fall Classic 100K and 55K
Oct 18th 2025
| Healdsburg, CA
Distance
55 KM
Overall
49
/ 102
Division (M)
36
/ 66
7:17:31
2024
1 Race | 31 mi.Skyline 50K
Aug 4th 2024
| San Leandro, CA
Distance
50 KM
Overall
50
/ 148
Division (M)
37
/ 94
6:18:55
2019
1 Race | 31 mi.Skyline 50K
Aug 4th 2019
| San Leandro, CA
Distance
50 KM
Overall
69
/ 167
Division (M)
51
/ 100
6:06:24
2018
4 Races | 143 mi.Headlands
Sep 8th 2018
| Sausalito, CA
Distance
50 Miles
Overall
10
/ 58
Division (M)
5
/ 29
11:26:46
Quicksilver
May 12th 2018
| San Jose, CA
Distance
50 KM
Overall
44
/ 178
Division (M)
35
/ 114
6:20:55
Marin Ultra Challenge
Mar 10th 2018
| Sausalito, CA
Distance
50 KM
Overall
67
/ 226
Division (M)
55
/ 123
5:40:34
Fort Ord Trail Run
Feb 3rd 2018
| Monterey, CA
Distance
50 KM
Overall
55
/ 119
Division (M)
42
/ 74
6:32:16
2017
7 Races | 277 mi.Vista Verde Skyline Run
Dec 3rd 2017
| Palo Alto, CA
Distance
50 KM
Overall
10
/ 22
Division (M)
7
/ 14
6:05:58
Woodside Trail Run
Nov 18th 2017
| Woodside, CA
Distance
50 KM
Overall
13
/ 47
Division (M)
9
/ 32
5:50:33
Headlands
Sep 9th 2017
| Sausalito, CA
Distance
50 Miles
Overall
24
/ 93
Division (M)
19
/ 53
11:33:47
The San Francisco Marathon
Jul 23rd 2017
| San Francisco, CA
Distance
52.4 Miles
Overall
14
/ 42
Division (M)
14
/ 39
9:38:47
Quicksilver
May 13th 2017
| San Jose, CA
Distance
50 KM
Overall
28
/ 147
Division (M)
25
/ 104
6:07:01
American River
Apr 1st 2017
| Folsom, CA
Distance
50 Miles
Overall
112
/ 413
Division (M)
89
/ 244
10:00:17
Crystal Springs - Winter
Jan 21st 2017
| Woodside, CA
Distance
50 KM
Overall
18
/ 39
Division (M)
15
/ 28
5:51:16
2016
9 Races | 330 mi.Hunter S. Thompson Fear & Loathing
Dec 4th 2016
| San Francisco, CA
Distance
50 KM
Overall
4
/ 41
Division (M)
3
/ 25
5:51:00
Mt. Tam Trail Run
Nov 12th 2016
| Stinson Beach, CA
Distance
50 KM
Overall
57
/ 118
Division (M)
48
/ 82
6:39:18
Skyline 50K
Aug 7th 2016
| San Leandro, CA
Distance
50 KM
Overall
40
/ 170
Division (M)
32
/ 113
5:29:48
Mt. Hood Trail Runs
Jul 9th 2016
| Timothy Lake, OR
Distance
50 Miles
Overall
43
/ 129
Division (M)
36
/ 81
9:26:42
Quicksilver
May 14th 2016
| San Jose, CA
Distance
100 KM
Overall
73
/ 165
Division (M)
64
/ 127
14:15:00
Mendocino Coast 50k
Apr 23rd 2016
| Mendocino, CA
Distance
50 KM
Overall
21
/ 108
Division (M)
18
/ 60
5:30:25
Marin Ultra Challenge
Mar 12th 2016
| Sausalito, CA
Distance
50 KM
Overall
50
/ 190
Division (M)
43
/ 119
5:27:00
Run for Amma
Feb 20th 2016
| Sunnyvale, CA
Distance
50 KM
Overall
7
/ 19
Division (M)
6
/ 14
5:54:00
Crystal Springs - Winter
Jan 23rd 2016
| Woodside, CA
Distance
50 KM
Overall
15
/ 37
Division (M)
15
/ 29
5:27:39
2015
6 Races | 255 mi.Dick Collins Firetrails (Inactive)
Oct 10th 2015
| Castro Valley, CA
Distance
50 Miles
Overall
52
/ 185
Division (M)
42
/ 125
9:55:29
Skyline 50K
Aug 8th 2015
| San Leandro, CA
Distance
50 KM
Overall
25
/ 164
Division (M)
22
/ 116
4:57:22
Miwok
May 2nd 2015
| Stinson Beach, CA
Distance
100 KM
Overall
159
/ 308
Division (M)
128
/ 227
13:51:00
American River
Apr 4th 2015
| Folsom, CA
Distance
50 Miles
Overall
93
/ 631
Division (M)
74
/ 374
9:11:20
Marin Ultra Challenge
Mar 14th 2015
| Sausalito, CA
Distance
50 KM
Overall
37
/ 142
Division (M)
28
/ 82
5:41:29
Sean O'Brien 100k/50M/50k
Feb 7th 2015
| Malibu, CA
Distance
50 KM
Overall
26
/ 198
Division (M)
20
/ 114
5:59:52
2014
7 Races | 236 mi.Woodside Ramble - Winter
Dec 14th 2014
| Woodside, CA
Distance
50 KM
Overall
18
/ 76
Division (M)
15
/ 53
5:18:19
Mt. Tam Trail Run
Nov 15th 2014
| Stinson Beach, CA
Distance
50 KM
Overall
40
/ 90
Division (M)
36
/ 71
6:24:49
Stevens Creek Striders Trail Races
Sep 27th 2014
| Los Altos Hills, CA
Distance
50 KM
Overall
6
/ 40
Division (M)
6
/ 30
5:46:20
Skyline 50K
Aug 3rd 2014
| San Leandro, CA
Distance
50 KM
Overall
37
/ 175
Division (M)
35
/ 122
5:04:41
Lake Sonoma 100K & 50K
Apr 12th 2014
| Healdsburg, CA
Distance
50 Miles
Overall
221
/ 301
Division (M)
168
/ 211
11:35:16
Way Too Cool
Mar 8th 2014
| Cool, CA
Distance
50 KM
Overall
461
/ 1026
Division (M)
343
/ 604
6:04:11
Fort Ord Trail Run
Feb 1st 2014
| Monterey, CA
Distance
50 KM
Overall
15
/ 47
Division (M)
15
/ 37
6:02:45
2013
3 Races | 94 mi.Berkeley Trail Adventure
Sep 28th 2013
| Berkeley, CA
Distance
50 KM
Overall
15
/ 40
Division (M)
11
/ 27
6:16:17
Headwaters Trail Runs
Aug 24th 2013
| Mount Shasta, CA
Distance
52 KM
Overall
25
/ 48
Division (M)
20
/ 33
6:46:35
Big Basin - Skyline to Sea
Jun 9th 2013
| Los Gatos, CA
Distance
50 KM
Overall
52
/ 145
Division (M)
42
/ 102
5:29:03
43
Races
12y 11m 7d
Longevity
1,606
Lifetime Miles
Personal Bests
50k
(29)
4:57:22
2015
50m
(8)
9:11:20
2015
100k
(3)
13:27:12
2026
Distance by Year
2026
174
Miles
4 Races
2025
34
Miles
1 Race
2024
31
Miles
1 Race
2019
31
Miles
1 Race
2018
143
Miles
4 Races
2017
277
Miles
7 Races
2016
330
Miles
9 Races
2015
255
Miles
6 Races
2014
236
Miles
7 Races
2013
94
Miles
3 Races
Multiple Performances
3rd Place
6:09:00
50 KM
Masters Winner
6:09:00
50 KM
3rd Place
5:51:00
50 KM
Achievements are awarded for races with 25 or more finishers and courses with 200 or more finishers.
Masters: 40-49 / Grand Masters: 50-59 / Senior Grand Masters: 60+