Jenny Jacox (F44)
2026
4 Races | 193 mi.Miwok
May 2nd 2026
| Stinson Beach, CA
Distance
100 KM
Overall
147
/ 303
Division (F)
40
/ 93
13:24:12
Woodside Crossover
Apr 18th 2026
| Woodside, CA
Distance
50 KM
Overall
16
/ 52
Division (F)
3
/ 10
5:29:38
Marin Ultra Challenge
Mar 14th 2026
| Sausalito, CA
Distance
50 Miles
Overall
46
/ 175
Division (F)
5
/ 52
10:12:47
Monterey Ultra
Feb 7th 2026
| Monterey, CA
Distance
50 Miles
Overall
26
/ 131
Division (F)
5
/ 38
9:39:24
2025
4 Races | 191 mi.Quad Dipsea
Nov 29th 2025
| Mill Valley, CA
Distance
28.4 Miles
Overall
181
/ 259
Division (F)
36
/ 66
7:17:25
Miwok
May 3rd 2025
| Stinson Beach, CA
Distance
100 KM
Overall
100
/ 260
Division (F)
19
/ 76
13:09:56
Marin Ultra Challenge
Mar 8th 2025
| Sausalito, CA
Distance
50 Miles
Overall
21
/ 141
Division (F)
4
/ 34
9:33:53
Monterey Ultra
Jan 25th 2025
| Monterey, CA
Distance
50 Miles
Overall
8
/ 103
Division (F)
2
/ 27
8:47:49
2024
8 Races | 334 mi.Woodside Ramble - Winter
Dec 21st 2024
| Woodside, CA
Distance
50 KM
Overall
31
/ 75
Division (F)
4
/ 16
5:56:33
Quad Dipsea
Nov 30th 2024
| Mill Valley, CA
Distance
28.4 Miles
Overall
111
/ 265
Division (F)
22
/ 74
6:17:56
Berkeley Trail Adventure
Sep 14th 2024
| Berkeley, CA
Distance
50 KM
Overall
19
/ 52
Division (F)
4
/ 13
6:00:27
Tahoe Rim Trail
Jul 20th 2024
| Carson City, NV
Distance
50 KM
Overall
7
/ 173
Division (F)
1
/ 81
6:28:58
North Fork 50 Mile/50K
Jun 1st 2024
| Pine, CO
Distance
50 Miles
Overall
25
/ 78
Division (F)
5
/ 19
10:37:34
Miwok
May 4th 2024
| Stinson Beach, CA
Distance
100 KM
Overall
187
/ 222
Division (F)
48
/ 61
15:13:04
Marin Ultra Challenge
Mar 9th 2024
| Sausalito, CA
Distance
50 Miles
Overall
33
/ 133
Division (F)
7
/ 38
10:26:32
Monterey Ultra
Jan 27th 2024
| Monterey, CA
Distance
50 Miles
Overall
9
/ 58
Division (F)
1
/ 23
9:33:50
2023
3 Races | 122 mi.Quad Dipsea
Nov 25th 2023
| Mill Valley, CA
Distance
28.4 Miles
Overall
151
/ 338
Division (F)
25
/ 86
6:21:46
Miwok
May 6th 2023
| Stinson Beach, CA
Distance
100 KM
Overall
106
/ 242
Division (F)
30
/ 85
13:55:39
Fort Ord Trail Run
Jan 28th 2023
| Monterey, CA
Distance
50 KM
Overall
13
/ 86
Division (F)
3
/ 23
5:16:30
2022
3 Races | 124 mi.Miwok
May 7th 2022
| Stinson Beach, CA
Distance
100 KM
Overall
81
/ 259
Division (F)
19
/ 73
13:14:31
Woodside Crossover
Apr 16th 2022
| Woodside, CA
Distance
50 KM
Overall
7
/ 39
Division (F)
1
/ 10
5:16:03
Marin Ultra Challenge
Mar 12th 2022
| Sausalito, CA
Distance
50 KM
Overall
43
/ 237
Division (F)
10
/ 112
5:20:33
2021
1 Race | 31 mi.Fort Ord Trail Run
Jul 24th 2021
| Monterey, CA
Distance
50 KM
Overall
10
/ 78
Division (F)
3
/ 18
4:50:27
2020
1 Race | 31 mi.Fort Ord Trail Run
Feb 1st 2020
| Monterey, CA
Distance
50 KM
Overall
8
/ 76
Division (F)
1
/ 21
4:52:20
2019
3 Races | 93 mi.Coastal 50K
Sep 21st 2019
| Stinson Beach, CA
Distance
50 KM
Overall
6
/ 69
Division (F)
2
/ 29
5:38:20
Big Basin - Skyline to Sea
Jun 2nd 2019
| Los Gatos, CA
Distance
50 KM
Overall
27
/ 141
Division (F)
4
/ 41
5:14:23
Fort Ord Trail Run
Feb 2nd 2019
| Monterey, CA
Distance
50 KM
Overall
26
/ 95
Division (F)
7
/ 32
5:32:37
27
Races
7y 2m 1d
Longevity
1,119
Lifetime Miles
Personal Bests
50k
(12)
4:50:27
2021
50m
(7)
8:47:49
2025
100k
(5)
13:09:56
2025
Distance by Year
2026
193
Miles
4 Races
2025
191
Miles
4 Races
2024
334
Miles
8 Races
2023
122
Miles
3 Races
2022
124
Miles
3 Races
2021
31
Miles
1 Race
2020
31
Miles
1 Race
2019
93
Miles
3 Races
Multiple Performances
Masters Winner
5:29:38
50 KM
3rd Place
5:29:38
50 KM
Masters Winner
9:39:24
50 Miles
Masters Winner
9:33:53
50 Miles
Masters Course Record
8:47:49
50 Miles
Masters Winner
8:47:49
50 Miles
2nd Place
8:47:49
50 Miles
Masters Winner
6:00:27
50 KM
Masters Winner
6:28:58
50 KM
1st Place
6:28:58
50 KM
Masters Winner
9:33:50
50 Miles
1st Place
9:33:50
50 Miles
Masters Winner
5:16:30
50 KM
3rd Place
5:16:30
50 KM
1st Place
5:16:03
50 KM
Masters Winner
5:16:03
50 KM
3rd Place
4:50:27
50 KM
1st Place
4:52:20
50 KM
2nd Place
5:38:20
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+