Ben Koss (M46)
2023
1 Race | 31 mi.Tamalpa Headlands 50K
Aug 19th 2023
| Muir Beach, CA
Distance
50 KM
Overall
24
/ 251
Division (M)
20
/ 166
5:00:15
2022
1 Race | 50 mi.Lake Sonoma 100K & 50K
Apr 9th 2022
| Healdsburg, CA
Distance
50 Miles
Overall
2
/ 252
Division (M)
2
/ 160
7:13:27
2021
1 Race | 62 mi.Black Canyon Ultras
Feb 14th 2021
| Mayer, AZ
Distance
100 KM
Overall
8
/ 364
Division (M)
8
/ 264
8:43:04
2019
3 Races | 143 mi.Skyline 50K
Aug 4th 2019
| San Leandro, CA
Distance
50 KM
Overall
10
/ 167
Division (M)
9
/ 100
4:30:07
Lake Sonoma 100K & 50K
Apr 13th 2019
| Healdsburg, CA
Distance
50 Miles
Overall
9
/ 280
Division (M)
9
/ 200
7:05:35
Black Canyon Ultras
Feb 16th 2019
| Mayer, AZ
Distance
100 KM
Overall
44
/ 516
Division (M)
41
/ 380
9:57:32
2018
3 Races | 144 mi.Broken Arrow Skyrace
Jun 16th 2018
| Olympic Valley, CA
Distance
52 KM
Overall
24
/ 235
Division (M)
18
/ 180
6:12:56
Lake Sonoma 100K & 50K
Apr 14th 2018
| Healdsburg, CA
Distance
50 Miles
Overall
8
/ 292
Division (M)
8
/ 213
7:02:59
Sean O'Brien 100k/50M/50k
Feb 3rd 2018
| Malibu, CA
Distance
100 KM
Overall
34
/ 134
Division (M)
26
/ 103
12:19:43
2017
4 Races | 224 mi.Woodside Ramble - Winter
Dec 16th 2017
| Woodside, CA
Distance
50 KM
Overall
1
/ 89
Division (M)
1
/ 56
3:38:37
Cascade Crest
Aug 26th 2017
| Easton, WA
Distance
100 Miles
Overall
3
/ 110
Division (M)
3
/ 77
22:09:00
Gorge Waterfalls
Apr 8th 2017
| Cascade Locks, OR
Distance
100 KM
Overall
2
/ 205
Division (M)
2
/ 165
9:22:09
Way Too Cool
Mar 4th 2017
| Cool, CA
Distance
50 KM
Overall
10
/ 700
Division (M)
10
/ 419
3:38:51
2016
3 Races | 108 mi.Woodside Ramble - Winter
Dec 17th 2016
| Woodside, CA
Distance
50 KM
Overall
5
/ 101
Division (M)
5
/ 72
3:49:50
Rut Mountain Runs
Sep 2nd 2016
| Big Sky, MT
Distance
26.9 Miles
Overall
14
/ 402
Division (M)
14
/ 288
4:19:01
Lake Sonoma 100K & 50K
Apr 9th 2016
| Healdsburg, CA
Distance
50 Miles
Overall
7
/ 304
Division (M)
7
/ 211
7:01:14
2015
2 Races | 81 mi.The North Face Endurance Challenge Calif...
Dec 5th 2015
| Marin, CA
Distance
50 Miles
Overall
14
/ 479
Division (M)
14
/ 362
6:55:12
Tamalpa Headlands 50K
Aug 29th 2015
| Muir Beach, CA
Distance
50 KM
Overall
11
/ 220
Division (M)
11
/ 152
4:13:17
18
Races
7y 11m 27d
Longevity
844
Lifetime Miles
Personal Bests
50k
(6)
3:38:37
2017
50m
(5)
6:55:12
2015
100k
(4)
8:43:04
2021
100m
(1)
22:09:00
2017
Distance by Year
2023
31
Miles
1 Race
2022
50
Miles
1 Race
2021
62
Miles
1 Race
2019
143
Miles
3 Races
2018
144
Miles
3 Races
2017
224
Miles
4 Races
2016
108
Miles
3 Races
2015
81
Miles
2 Races
Multiple Performances
2nd Place
7:13:27
50 Miles
Masters Winner
7:13:27
50 Miles
Masters Winner
8:43:04
100 KM
1st Place
3:38:37
50 KM
3rd Place
22:09:00
100 Miles
2nd Place
9:22:09
100 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+