Missing Results?  Name Change/Merge?  
Jeff Kosbie M41
36 Races
Photos
Rank: 57.19%
Age Rank: 61.00%
History
The Bear - 100 Miler - Logan, UT
Sep 26, 2025
Rio Del Lago - 100 Miler - Granite Bay, CA
Nov 2, 2024
Overall:186 DP:136
29:16:52
Age: 40
Rank: 50.90%
Bigfoot 200 Mile Endurance Run and Bigfoot 20 Mile Run - 200 Miler - Mount St. Helens, WA
Aug 13, 2022
Overall:119 DP:95
104:35:34
Age: 38
Rank: 54.37%
Quicksilver Endurance Runs - 100K - San Jose, CA
May 14, 2022
Overall:108 DP:84
16:39:57
Age: 38
Rank: 54.76%
The Canyons Endurance Runs by UTMB - 100K - Auburn, CA
Apr 23, 2022
Overall:388 DP:303
18:24:42
Age: 38
Rank: 46.34%
Tahoe Rim Trail Endurance Runs - 100 Miler - Carson City, NV
Jul 17, 2021
Overall:98 DP:79
35:42:48
Age: 37
Rank: 58.42%
Zoom Turkey Trot - 1/2 Marathon - San Jose , CA
Nov 28, 2019
Overall:70 DP:46
1:58:25
Age: 35
Rank: 59.18%
Tahoe 200 Endurance Run - 200 Miler - Lake Tahoe, CA
Sep 13, 2019
Overall:114 DP:98
95:47:04
Age: 35
Rank: 53.19%
Tahoe Rim Trail Endurance Runs - 50 Miler - Carson City, NV
Jul 20, 2019
Overall:147 DP:101
15:38:59
Age: 35
Rank: 56.67%
Zoom Firecracker Run - 1/2 Marathon - Fremont, CA
Jun 29, 2019
Overall:51 DP:34
2:31:47
Age: 35
Rank: 52.61%
Ohlone - 50K - Fremont, CA
May 19, 2019
Overall:75 DP:61
8:39:04
Age: 35
Rank: 51.30%
Diablo Trails Challenge - Spring - Brazen - 50K - Walnut Creek, CA
Apr 13, 2019
Overall:84 DP:67
8:21:23
Age: 35
Rank: 54.48%
Marin Ultra Challenge - 50 Miler - Sausalito, CA
Mar 9, 2019
Overall:104 DP:82
11:24:53
Age: 35
Rank: 60.90%
Mt Umunhum Trail Run - 52K - San Jose, CA
Feb 23, 2019
Overall:41 DP:33
8:11:19
Age: 35
Rank: 58.17%
Blue Sky Trail Marathon - Marathon - Fort Collins, CO
Oct 20, 2018
Overall:192 DP:128
6:20:47
Age: 34
Rank: 50.37%
Tahoe Rim Trail Endurance Runs - 100 Miler - Carson City, NV
Jul 21, 2018
Overall:94 DP:83
32:14:48
Age: 34
Rank: 65.71%
Bishop High Sierra Ultras - 50 Miler - Bishop, CA
Jun 2, 2018
Overall:34 DP:23
13:52:03
Age: 34
Rank: 61.59%
Way Too Cool - 50K - Cool, CA
Mar 3, 2018
Overall:222 DP:172
5:58:41
Age: 34
Rank: 55.22%
Rio Del Lago - 100 Miler - Granite Bay, CA
Nov 4, 2017
Overall:240 DP:188
28:59:49
Age: 33
Rank: 57.58%
Dick Collins Firetrails - 50 Miler - Castro Valley, CA
Oct 7, 2017
Overall:40 DP:27
13:09:38
Age: 33
Rank: 60.04%
Folsom Lake Ultra Trail - 68.5 Miler - Granite Bay, CA
Sep 16, 2017
Overall:27 DP:20
19:54:34
Age: 33
Rank: 63.63%
San Francisco 50/50 Endurance Runs - 50 Miler - Rodeo Beach, CA
May 20, 2017
Overall:32 DP:24
12:57:22
Age: 33
Rank: 57.46%
Golden Gate Trail Run - Winter - Marathon - Rodeo Beach, CA
Feb 11, 2017
Overall:25 DP:16
5:27:21
Age: 33
Rank: 69.96%
Coastal Marathon/50K - 50K - Stinson Beach, CA
Sep 18, 2016
Overall:47 DP:30
8:20:35
Age: 32
Rank: 62.41%
Quicksilver Endurance Runs - 100K - San Jose, CA - DNF
May 10, 2025
The Bear - 100 Miler - Logan, UT - DNF
Sep 27, 2024
Quicksilver Endurance Runs - 100K - San Jose, CA - DNF
May 11, 2024
Ouray 100 Mile Endurance Run - 100 Miler - Ouray, CO - DNF
Jul 21, 2023
Quicksilver Endurance Runs - 100K - San Jose, CA - DNF
May 13, 2023
The Bear - 100 Miler - Logan, UT - DNF
Sep 23, 2022
The Bear - 100 Miler - Logan, UT - DNF
Sep 24, 2021
California Fall Classic 100K / 55K at Lake Sonoma - 100K - Healdsburg, CA - DNF
Sep 5, 2021
Rio Del Lago - 100 Miler - Granite Bay, CA
Nov 2, 2019
The Canyons Endurance Runs by UTMB - 100K - Auburn, CA - DNF
Apr 27, 2019
San Joaquin River Trail 50k & 100k Run - 100K - Friant, CA
Dec 1, 2018
Folsom Lake Ultra Trail - 68.5 Miler - Granite Bay, CA - DNS
Oct 1, 2016