Jennifer Deforest
ID 473608
Born : 1972 Cat. W50 Ultrarunner since 2013 USA
42
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
3
Countries visited ?NZLNew ZealandSUISwitzerlandUSAUnited States
63,6%
Rank quotient ?This runner's calculation uses 42 eligible race(s): Σ(rank − 1) = 4 444; Σ finishers = 6 985. 4 444 / 6 985 × 100 = 63.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed42
Km — ultra races2 860 km
> 100 km3
> 160 km2
> 24h1
Longest race164,2 km
7th No Business 100 — 20/10/2023

Km per year (ultra races)

390
6 races
2022
444
6 races
2023
364
5 races
2024
280
4 races
2025
345
4 races
2026

Race types (share of distance)

Road7,5%
Trail92,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0

Records

50 km6h43'53100 km24h42'1250 mi11h59'16100 mi35h26'2024 h81,07 km

HISTORY

42 race(s)
DateRacePerf.Rk
2026
12.09 40mi USA16th Odyssey Trail Running Rampage 40 Mile 7:14:03 h7
18.07 70km USA3rd The Cherokee 70k 13:46:39 h24
08.05 100mi USA8th The Hellbender One Hundred 35:26:20 h150
25.04 50km USA26th Promise Land 50K++ 7:55:07 h170
2025
09.08 100km SUI8. Swiss Alps 100 - 100km 25:26:13 h180
26.04 50km USA25th Promise Land 50K++ 8:19:53 h196
22.03 50mi USA3rd Mount Mitchell Heartbreaker 15:42:31 h100
25.01 50km USA1st HAROC (aka Hanging Rock Challenge) 8:57:53 h42
2024
14.12 50mi USA8th Beast of the East (Monadnock Ultra) 50 Mile 18:54:17 h29
31.08 40mi USA19th Iron Mountain 40 Mile Trail Run 9:46:57 h24
18.05 50km USA10th Quest for the Crest 50k 13:33:11 h110
20.04 50km USA24th Promise Land 50K++ 7:59:50 h189
30.03 74mi USA12th Georgia Death Race 23:08:29 h105
2023
20.10 102mi USA7th No Business 100 31:26:29 h87
02.09 40mi USA18th Iron Mountain 40 Mile Trail Run 9:27:37 h30
20.05 50km USA9th Quest for the Crest 50k 13:12:07 h123
22.04 50km USA23th Promise Land 50K++ 8:18:39 h212
25.03 40mi USA1st Hone Quarry 40 Miler 10:27:11 h27
11.02 51.4km NZL8th Tarawera 50 km Ultramarathon 7:21:37 h812
2022
05.11 50mi USA40th Mountain Masochist 50 Mile Trail Run 12:27:52 h85
15.10 50km USA9th Cloudsplitter 100 - 50 km Run 9:29:14 h29
03.09 40mi USA17th Iron Mountain 40 Mile Trail Run 10:10:37 h24
18.06 40mi USA19th Highlands Sky 40M Trail Run 10:56:44 h122
23.04 50Miles USA1st Shadows of the South 50 mile 18:10:21 h58
19.02 50km USA1st Cabin Fever 50 km Race 7:01:02 h101
2021
16.10 100km USA8th Cloudsplitter 100 - 100 km Run 24:42:12 h15
04.09 40mi USA16th Iron Mountain 40 Mile Trail Run 9:35:09 h15
24.04 50km USA21th Promise Land 50K++ 7:58:00 h201
20.03 50km USA14th Terrapin Mountain 50 km Race 6:58:48 h118
2020
10.10 50km USA7th Pilot Mountain to Hanging Rock 50K Ultra 7:26:05 h80
14.03 50mi USA16th Bel Monte 50 Mile Endurance Run 13:42:58 h86
2019
12.10 50km USA6th Pilot Mountain to Hanging Rock 50K Ultra 7:35:13 h53
31.08 30mi USA14th Iron Mountain 30 Mile Trail Run 6:48:37 h50
27.04 50km USA19th Promise Land 50K++ 8:09:35 h211
09.03 50km USA15th Bel Monte 50 km Endurance Run 9:32:42 h101
2018
01.12 50km USA2nd King of the Mountain 50km 8:06:53 h53
03.11 50mi USA36th Mountain Masochist 50 Mile Trail Run 11:59:16 h162
01.09 30mi USA13th Iron Mountain 30 Mile Trail Run 7:10:57 h67
21.04 52mi USA2nd Blue Ridge Double Marathon 12:28:18 h48
18.03 50km USA6th The Pistol 50 km Ultra Run 6:43:53 h61
2017
14.10 50km USA4th Pilot Mountain to Hanging Rock 50K Ultra 8:09:52 h89
2013
23.11 24h USA3rd Crooked Road 24 Hour Ultra 81.066 km40