Jenna Maffey (F41)
2026
1 Race | 41 mi.Pulse Endurance Runs (Pickled Feet)
Mar 21st 2026
| Eagle, ID
Duration
6 Hours
Overall
2
/ 18
Division (F)
1
/ 9
41.16
2025
7 Races | 497 mi.Fat Ox
Nov 21st 2025
| Buckeye, AZ
Distance
100 Miles
Overall
3
/ 21
Division (F)
2
/ 8
20:22:11
IMTUF 100 - Idaho Mountain Trail Ultra F...
Sep 20th 2025
| McCall, ID
Distance
100 Miles
Overall
51
/ 121
Division (F)
7
/ 24
30:02:04
Beaverhead Endurance Runs
Jul 12th 2025
| Salmon, ID
Distance
100 KM
Overall
31
/ 101
Division (F)
5
/ 29
14:57:13
River of No Return Endurance Runs
Jun 14th 2025
| Challis, ID
Distance
108 KM
Overall
13
/ 60
Division (F)
6
/ 27
15:06:24
Weiser River Trail
Apr 26th 2025
| Boise, ID
Distance
50 KM
Overall
5
/ 61
Division (F)
2
/ 31
4:21:41
Pulse Endurance Runs (Pickled Feet)
Mar 15th 2025
| Eagle, ID
Duration
12 Hours
Overall
2
/ 24
Division (F)
1
/ 17
74.8
Black Canyon Ultras
Feb 8th 2025
| Mayer, AZ
Distance
100 KM
Overall
129
/ 776
Division (F)
38
/ 227
11:45:38
2024
8 Races | 533 mi.Fat Ox
Nov 23rd 2024
| Buckeye, AZ
Duration
24 Hours
Overall
7
/ 32
Division (F)
4
/ 16
121.621
IMTUF 100 - Idaho Mountain Trail Ultra F...
Sep 21st 2024
| McCall, ID
Distance
100 Miles
Overall
37
/ 126
Division (F)
8
/ 39
29:15:29
Rock N Brew
Aug 10th 2024
| Boise, ID
Distance
50 KM
Overall
4
/ 30
Division (F)
1
/ 14
5:24:21
Beaverhead Endurance Runs
Jul 13th 2024
| Salmon, ID
Distance
100 KM
Overall
28
/ 103
Division (F)
5
/ 33
15:44:45
Weiser River Trail
Apr 27th 2024
| Boise, ID
Distance
50 KM
Overall
3
/ 95
Division (F)
1
/ 51
4:05:01
Pulse Endurance Runs (Pickled Feet)
Mar 16th 2024
| Eagle, ID
Duration
12 Hours
Overall
1
/ 27
Division (F)
1
/ 16
75.32
Black Canyon Ultras
Feb 10th 2024
| Mayer, AZ
Distance
100 KM
Overall
127
/ 740
Division (F)
33
/ 222
11:56:08
San Diego 50 and Trail Runs
Jan 13th 2024
| Escondido, CA
Distance
50 Miles
Overall
4
/ 134
Division (F)
1
/ 36
7:38:56
2023
7 Races | 352 mi.Bogus 50/50
Sep 30th 2023
| Boise, ID
Distance
50 Miles
Overall
3
/ 28
Division (F)
1
/ 9
9:00:07
If You're Not First You're Last
Sep 9th 2023
| Eagle, ID
Duration
Backyard
Overall
2
/ 16
Division (F)
1
/ 4
116.676
Rock N Brew
Aug 12th 2023
| Boise, ID
Distance
50 KM
Overall
7
/ 37
Division (F)
2
/ 11
5:33:59
McCall Trailrunning Classic
Jul 15th 2023
| McCall, ID
Distance
50 Miles
Overall
1
/ 17
Division (F)
1
/ 8
12:18:37
River of No Return Endurance Runs
Jun 17th 2023
| Challis, ID
Distance
55 KM
Overall
8
/ 81
Division (F)
1
/ 34
6:35:56
Weiser River Trail
Apr 22nd 2023
| Boise, ID
Distance
50 KM
Overall
4
/ 54
Division (F)
1
/ 23
4:09:12
Pulse Endurance Runs (Pickled Feet)
Mar 18th 2023
| Eagle, ID
Duration
6 Hours
Overall
3
/ 13
Division (F)
1
/ 15
38.68
23
Races
3y 0m 4d
Longevity
1,423
Lifetime Miles
Personal Bests
50k
(5)
4:05:01
2024
50m
(3)
7:38:56
2024
100k
(4)
11:45:38
2025
100m
(3)
20:22:11
2025
24hr
(1)
121.62122089801
2024
12hr
(2)
75.32
2024
6hr
(2)
41.16
2026
Backyard
(1)
116.676
2023
Distance by Year
2026
41
Miles
1 Race
2025
497
Miles
7 Races
2024
533
Miles
8 Races
2023
352
Miles
7 Races
Multiple Performances
Course Record
41.16
6 Hours
Masters Course Record
41.16
6 Hours
Masters Winner
30:02:04
100 Miles
Masters Winner
14:57:13
100 KM
2nd Place
4:21:41
50 KM
Masters Winner
4:21:41
50 KM
Masters Course Record
74.8
12 Hours
1st Place
5:24:21
50 KM
1st Place
4:05:01
50 KM
1st Place
75.32
12 Hours
Course Record
75.32
12 Hours
1st Place
7:38:56
50 Miles
1st Place
9:00:07
50 Miles
2nd Place
5:33:59
50 KM
1st Place
6:35:56
55 KM
1st Place
4:09:12
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+