Stephanie Dannenberg
ID 936595
Born : 1987 Cat. W35 Ultrarunner since 2017 USA
44
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
72,1%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 2 997; Σ finishers = 4 154. 2 997 / 4 154 × 100 = 72.15%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races3 237 km
> 100 km4
> 160 km4
> 24h2
Longest race160,9 km
7th Badger Trail Races by Ten Junk Miles Racing — 2/8/2025

Km per year (ultra races)

311
3 races
2022
50
1 race
2023
448
7 races
2024
395
5 races
2025
491
8 races
2026

Race types (share of distance)

Road17,3%
Trail81,2%
Ult.Walk1,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F2
🏅 Top 31
🏅 Top 3 F4
Longest winning streak0
Current streak0

Records

50 km6h05'59100 km14h58'4750 mi11h33'02100 mi28h50'5012 h68,43 km24 h88,06 km

HISTORY

44 race(s)
DateRacePerf.Rk
2026
13.06 100km USA1st Woodbooger 100 21:53:38 h22
09.05 50km USA7th Freight Train 50km Trail Run 7:23:31 h67
25.04 50km USA4th Falling Water Ultras 50 km 9:26:59 h46
18.04 52mi USA10th Blue Ridge Double Marathon 12:49:33 h65
21.03 50km USA4th Mount Mitchell Heartbreaker 10:33:13 h101
07.03 24h USA13th Crooked Road 24 Hour Ultra 58.757 km102
21.02 48.6km USA5th Cabin Fever 50 km Race 8:02:34 h243
31.01 50km USA2nd Live Oak Ultra 6:46:20 h34
2025
30.12 50km USA4th Run Undead Ultra Trail Party 8:00:26 h26
20.09 50km USA17th Grindstone 50 km 8:43:56 h218
02.08 100mi USA7th Badger Trail Races by Ten Junk Miles Racing 32:24:53 h87
12.04 52mi USA9th Blue Ridge Double Marathon 12:20:50 h55
22.03 50km USA11th The Pistol 50 km Ultra Run 6:06:53 h43
2024
23.11 100km USA10th Dinosaur Valley Endurance Run 100 km 20:45:16 h106
31.08 30mi USA19th Iron Mountain 30 Mile Trail Run 8:11:53 h68
27.04 50km USA2nd Troublesome Hollow 50K 9:12:57 h143
13.04 50km USA14th New River Trail 50 km 6:05:59 h27
09.03 100km USA10th The Pistol 100 km Ultra Run 16:20:29 h20
17.02 50km USA8th Red Dirt Ultra 50 km 7:16:07 h23
20.01 50km USA9th St. Croix Scenic 50 km 7:50:59 h25
2023
25.03 50km USA31st Crown King Scramble 50K 8:28:01 h163
2022
20.08 100mi USA17th Lean Horse Ultra-Marathon 100 Mile 28:50:50 h40
11.06 50km USA27th Kettle Moraine 50 km Endurance Run 6:23:54 h20
26.03 100km USA4th Blackbeard’s Revenge 100 km Race 15:42:24 h17
2021
16.10 50km USA8th Cloudsplitter 100 - 50 km Run 8:09:23 h20
11.09 50mi USA40th Ice Age Trail 50 Mile Run 11:33:02 h83
10.07 50km USA18th Dances with Dirt - Devil's Lake 50K Ultra 7:14:38 h47
24.04 50km USA21th Promise Land 50K++ 8:49:04 h263
2020
12.12 100km USA18th Hellgate 100 km 17:23:01 h111
17.10 50km USA3rd Big Hill Pond Walking Tall 7:32:17 h50
29.02 12h USA1st Bald Unyielding Twilight Trail Trial - 12 Hours 68.431 km3 🥉
2019
14.12 100km USA1st Freight Train 100km Trail Run 14:58:47 h23
12.10 100mi USA6th Cloudsplitter 100 - 100 Mile Run 35:54:07 h15
22.06 24h USA2nd Run S'more 24 Hour Race 88.063 km22
13.04 52mi USA3rd Blue Ridge Double Marathon 12:07:17 h39
23.03 50km USA12th Terrapin Mountain 50 km Race 8:11:05 h146
02.02 100km USA27th Rocky Raccoon 100 km Trail Run 15:56:21 h29
2018
13.10 100mi USA5th Cloudsplitter 100 - 100 Mile Run 39:19:32 h39
22.09 50km USA8th Table Rock 50 km Ultra 9:15:59 h176
28.07 50km USA4th Hot Hilly Hairy Ultra 50 km 6:07:37 h10
14.07 50km USA15th Dances with Dirt - Devil's Lake 50K Ultra 7:05:42 h63
20.04 100km USA7th The Zion 100 km Run 19:10:41 h104
24.03 50km USA21st OPSF Ultra 50 km Race 9:28:36 h18
2017
01.04 50km USA2nd DAM 50K VA 7:40:24 h19