Jenny Pierce
Born : 1983 Cat. W40 Ultrarunner since 2011 USA
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
20,0%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 875; Σ finishers = 4 372. 875 / 4 372 × 100 = 20.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races3 070 km
> 100 km11
> 160 km10
Longest race160,9 km

Km per year (ultra races)

322
2 races
2022
241
2 races
2023
324
3 races
2024
245
2 races
2025
161
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F10
🏅 Top 32
🏅 Top 3 F15
Longest winning streak0
Current streak0

HISTORY

32 race(s)
DateRacePerf.Rk
2026
10.07 100mi USA33rd Hardrock Hundred Endurance Run 37:26:08 h34
2025
18.07 100mi USA27th Cascade Crest Classic 100 Mile 24:11:22 h25
21.06 52mi USA33rd Bighorn Mountain Wild & Scenic 50mi Trail Run 10:25:45 h11
2024
12.10 55km USA11th Canyon De Chelly Ultra 5:55:28 h10
26.07 100mi USA3rd Crazy Mountain 100 26:59:25 h17
15.06 108km USA11th River of No Return Endurance Run 108K 15:37:12 h17
2023
08.09 100mi USA44th Wasatch Front 100 Mile 29:51:19 h52
15.07 50mi USA18th Devils Backbone 50 Miler 12:26:13 h6
2022
16.09 100mi USA16th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 26:28:05 h34
29.07 100mi USA1st Crazy Mountain 100 28:52:26 h16
2021
19.06 100mi USA29th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 26:07:11 h24
2019
01.09 50km USA7th The Rut Mountain Runs 8:22:36 h90
08.06 50mi USA7th Trail Rail Run 50 Mile 8:36:12 h10
2018
28.09 100mi USA20th The Bear 100 Mile Endurance Run 27:26:49 h62
02.09 50km USA6th The Rut Mountain Runs 8:06:28 h90
14.07 55km USA5th Beaverhead 55K Endurance Run 7:15:47 h10
2017
03.09 50km USA5th The Rut Mountain Runs 8:35:49 h106
08.07 55km USA4th Beaverhead 55K Endurance Run 7:28:03 h15
2015
01.08 50mi USA11th HURL Elkhorn 50 Mile Endurance Run 12:31:21 h10
06.06 60km USA2nd Scout Mountain 60 km Ultra Trail 7:07:41 h8
10.04 50km USA4th The Zion 50 km Run 5:17:37 h8
2013
13.09 100mi USA7th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 24:04:42 h17
03.08 50mi USA9th HURL Elkhorn 50 Mile Endurance Run 10:38:43 h3 🥉
22.06 50km USA11th Old Gabe 50K 6:59:28 h9
11.05 50mi USA2nd Quad Rock 50 Mile 10:21:35 h37
2012
13.10 50mi USA31st Le Grizz 50 Mile Ultramarathon 6:50:46 h3 🥉
23.06 100mi USA39th Western States 100 Mile Endurance Run 23:06:56 h108
12.05 50mi USA1st Quad Rock 50 Mile 9:51:36 h24
24.03 50km USA7th Antelope Island Buffalo Run 50 km 5:10:31 h21
2011
17.09 50mi USA5th Run Rabbit Run 50 Mile UltraMarathon 9:34:00 h16
02.07 50km USA1st Thunderbolt Creek 50k 5:23:53 h4
26.03 50km USA1st Badger Mountain 50 km Challenge 5:07:38 h10