Darren Sorgenfrei

Born : 1967 Cat. M55 Ultrarunner since 2010

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

United States

72,5%

Rank quotient ?This runner's calculation uses 83 eligible race(s): Σ(rank − 1) = 4 148; Σ finishers = 5 719. 4 148 / 5 719 × 100 = 72.53%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed83

Km — ultra races8 819 km

> 100 km15

> 160 km12

> 200 km8

> 24h1

Longest race643,7 km

7th The Last Annual Heart of the South Road Race — 11/6/2026

Km per year (ultra races)

733

2022

961

2023

863

2024

1 398

2025

1 146

2026

Race types (share of distance)

Road29,1%

Trail70,9%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M3

Longest winning streak0

Current streak0

Records

50 km6h05'30 50 mi10h17'33 100 mi27h54'24 12 h77,89 km 24 h130,36 km

HISTORY

83 race(s)

Date		Race	Perf.	Rk
2026
11.06	400mi	7th The Last Annual Heart of the South Road Race	9d 13:45:55 h	21
16.05	24h	2nd Armed Forces Endurance Run	130.356 km	4
22.02	200mi	6th Swammie Shuffle 200	5d 02:46:00 h	8
03.01	50km	16th Yankee Springs 50 km Winter Challenge	7:46:33 h	36
2025
09.11	22h	2nd Veterans' Honor Run: 22 Hours of Tribute	125.689 km	3 🥉
25.10	12h	4th Thriller Lake	77.892 km	10
11.10	100mi	20th Farmdale Trail Run 100 Mile	30:28:12 h	9
12.06	350mi	6th The Last Annual Heart of the South Road Race	8d 05:26:20 h	6
24.04	200mi	2nd Coast To Coaster	4d 12:04:00 h	4
29.03	30mi	19th Clinton Lake Ultra	7:14:33 h	34
15.02	50km	4th Lake of the Woods 50 km Race	7:51:52 h	26
04.01	50km	15th Yankee Springs 50 km Winter Challenge	7:30:20 h	32
2024
24.11	50km	8th Regal Beagle Ultrarace	6:19:43 h	33
05.10	50km	12th WC-50 Ultra Trail Marathon 50km	7:49:09 h	44
13.06	351mi	5th The Last Annual Heart of the South Road Race	9d 15:15:33 h	12
12.05	50km	6th Watuppa Trail Race 50km	6:33:07 h	33
30.03	30mi	18th Clinton Lake Ultra	7:55:20 h	30
03.03	50km	1st Tombstone 50k Trail Run	7:22:20 h	16
06.01	50km	14th Yankee Springs 50 km Winter Challenge	7:40:57 h	39
2023
11.11	50km	5th Prisoner of War 50 km Ultra Race	7:09:49 h	18
22.10	50km	4th Annual Heritage 50K Trail Run	7:12:10 h	20
03.08	370mi	The Last Annual Third Circle of Hell	8d 16:52:59 h	13
17.06	12h	2nd Wicked Worm 12 Hour	67.592 km	11
20.05	31mi	17th Tie Dye 50k	8:14:05 h	55
22.04	50km	6th Run with the Goats 50km - Beer	9:00:00 h	12
25.03	30mi	17th Clinton Lake Ultra	7:45:13 h	33
07.01	50km	13th Yankee Springs 50 km Winter Challenge	7:06:49 h	32
2022
22.10	12h	1st Hootenanny Endurance Run 12h	77.731 km	7
16.06	326mi	3rd The Last Annual Heart of the South Road Race	8d 03:18:13 h	25
25.03	50mi	12th Badger Mountain 50 Mile Challenge	14:34:42 h	82
08.01	50km	12th Yankee Springs 50 km Winter Challenge	8:20:19 h	32
2020
05.09	150km	2nd Temptation 200 - 150km Ultra Race	33:58:16 h	10
09.07	500km	15th Last Annual Vol-State 500K Endurance Run	6d 22:21:44 h	19
04.01	50km	10th Yankee Springs 50 km Winter Challenge	7:01:38 h	51
2019
23.11	50km	3rd Regal Beagle Ultrarace	6:13:06 h	53
02.11	12h	2nd The Ultra Bird 12 Hour Trail Race	74.834 km	11
10.08	8h	29th Howl at the Moon 8 Hour Run	58.741 km	63
01.06	100mi	3rd Lighthouse 100-Mile Ultra	28:27:00 h	24
11.05	50km	12th SweetH2O 50 km	9:22:10 h	47
28.04	50km	8th The Trail Marathon 50K	7:37:00 h	100
23.03	50km	22nd OPSF Ultra 50 km Race	8:28:56 h	39
02.03	50km	4th Conquer the Rock - Foothills 50K	10:32:44 h	67
02.02	50mi	2nd Light to Light 50 Mile	12:07:23 h	41
05.01	50km	9th Yankee Springs 50 km Winter Challenge	7:30:07 h	53
2018
06.10	100mi	4th The Hennepin Hundred - 100 Mile Run	27:54:24 h	69
23.06	50km	3rd Sinks Canyon Rough & Tumble Trail Runs	9:09:58 h	36
14.04	50km	6th Singletrack Maniac 50k Trail Run	8:59:47 h	53
03.03	50km	4th Mesquite Fire 50km	8:12:26 h	30
24.02	50km	3rd Olde Girdled Grit 50K	7:41:51 h	36
06.01	50km	8th Yankee Springs 50 km Winter Challenge	9:06:32 h	32
2017
30.12	50km	21st Huff 50K Trail Run	8:30:13 h	111
11.11	100mi	4th Tunnel Hill 100 Mile Race	29:11:54 h	163
08.07	10h	11th Run Under The Stars 10 Hour Endurance Run	68.397 km	25
11.06	50km	1st Run the Bends Ultra 50k	7:54:42 h	20
18.03	50km	1st Wicked Root 50 km Race	8:08:19 h	26
12.02	50km	5th Rocks and Roots Trail Series 50K	9:19:31 h	25
2016
19.11	50mi	54th JFK 50 Mile	12:16:42 h	680
20.08	50km	2nd Logan View Raider Run	6:29:36 h	11
09.07	50km	2nd Cry Me A River 50 km Trail Run	10:22:17 h	20
11.06	12h	2nd Midsummer Nights Dream 12 Hour Ultra	73.386 km	10
05.03	50km	9th Green Jewel 50K	6:05:30 h	72
02.01	50km	6th Yankee Springs 50 km Winter Challenge	7:15:35 h	45
2015
05.12	50km	2nd Jackson County 50-50 Ultramarathon - 50 km	7:26:30 h	33
17.10	50mi	6th Des Plaines River 50 Miles Trail Race	10:17:33 h	53
26.09	50km	13th Dances with Dirt - Hell 50K Ultra	7:26:22 h	40
21.03	50km	4th Bear Blaster 50K+	8:06:34 h	23
07.02	50km	12th Louisville's Love'n the Hills (LLTH 50K)	8:12:49 h	56
03.01	50km	5th Yankee Springs 50 km Winter Challenge	6:48:21 h	33
2014
23.08	50mi	15th North Country Trail Run 50 Mile	11:43:46 h	45
12.07	50km	3th Dirty Burg 50K Trail Run	7:09:33 h	34
17.05	50km	3rd Tryon Farm Trail 50K	6:38:59 h	36
2013
06.09	50km	5th Run Woodstock - Freak 50 km	7:27:19 h	111
13.07	50km	10th Dances with Dirt - Devil's Lake 50K Ultra	7:46:14 h	152
22.06	12h	1st Dizzy GOAT 12 Hour Trail Run	62.764 km	39
11.05	50km	10th Dances with Dirt - Gnaw Bone 50 km Ultra	7:53:39 h	96
23.03	33.2mi	7th Kal-Haven Trail Run	6:54:52 h	60
2012
27.10	12h	2nd Bad Apple Ultra - 12 hour	70.811 km	5
04.08	50km	4th Dahlgren Heritage Rail Trail 50K	7:08:37 h	66
14.07	50km	6th Psycho Psummer Run Toto Run 50K	9:49:31 h	83
23.06	50km	1st Eastern Divide Ultra	7:16:22 h	116
2011
04.12	50km	2nd Bigfoot 50K Trail Race	7:44:34 h	91
2010
18.12	50km	14th Huff 50K Trail Run	6:53:08 h	230
22.08	51km	2nd E.T. Full Moon Midnight Ultra Marathon	6:36:00 h	47

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/6/2026	7th The Last Annual Heart of the South Road Race	643,74	×8
✓ 2	3/8/2023	The Last Annual Third Circle of Hell	595,46	×8
✓ 3	13/6/2024	5th The Last Annual Heart of the South Road Race	564,88	×7
✓ 4	12/6/2025	6th The Last Annual Heart of the South Road Race	563,27	×7
✓ 5	16/6/2022	3rd The Last Annual Heart of the South Road Race	524,65	×7
✓ 6	9/7/2020	15th Last Annual Vol-State 500K Endurance Run	500,00	×6
✓ 7	22/2/2026	6th Swammie Shuffle 200	321,87	×4
✓ 8	24/4/2025	2nd Coast To Coaster	321,87	×4
✓ 9	11/10/2025	20th Farmdale Trail Run 100 Mile	160,93	×2
✓ 10	1/6/2019	3rd Lighthouse 100-Mile Ultra	160,93	×2
✓ 11	6/10/2018	4th The Hennepin Hundred - 100 Mile Run	160,93	×2
✓ 12	11/11/2017	4th Tunnel Hill 100 Mile Race	160,93	×2
✓ 13	5/9/2020	2nd Temptation 200 - 150km Ultra Race	150,00	×2
✓ 14	16/5/2026	2nd Armed Forces Endurance Run	130,36	×1
✓ 15	9/11/2025	2nd Veterans' Honor Run: 22 Hours of Tribute	125,69	×1
✓ 16	25/3/2022	12th Badger Mountain 50 Mile Challenge	80,47	×1
✓ 17	2/2/2019	2nd Light to Light 50 Mile	80,47	×1
✓ 18	19/11/2016	54th JFK 50 Mile	80,47	×1
✓ 19	17/10/2015	6th Des Plaines River 50 Miles Trail Race	80,47	×1
✓ 20	23/8/2014	15th North Country Trail Run 50 Mile	80,47	×1
✓ 21	25/10/2025	4th Thriller Lake	77,89	×1
✓ 22	22/10/2022	1st Hootenanny Endurance Run 12h	77,73	×1
✓ 23	2/11/2019	2nd The Ultra Bird 12 Hour Trail Race	74,83	×1
✓ 24	11/6/2016	2nd Midsummer Nights Dream 12 Hour Ultra	73,39	×1
✓ 25	27/10/2012	2nd Bad Apple Ultra - 12 hour	70,81	—
✓ 26	8/7/2017	11th Run Under The Stars 10 Hour Endurance Run	68,40	—
✓ 27	17/6/2023	2nd Wicked Worm 12 Hour	67,59	—
✓ 28	22/6/2013	1st Dizzy GOAT 12 Hour Trail Run	62,76	—
✓ 29	10/8/2019	29th Howl at the Moon 8 Hour Run	58,74	—
✓ 30	23/3/2013	7th Kal-Haven Trail Run	53,43	—
✓ 31	22/8/2010	2nd E.T. Full Moon Midnight Ultra Marathon	51,00	—
✓ 32	3/1/2026	16th Yankee Springs 50 km Winter Challenge	50,00	—
✓ 33	15/2/2025	4th Lake of the Woods 50 km Race	50,00	—
✓ 34	4/1/2025	15th Yankee Springs 50 km Winter Challenge	50,00	—
✓ 35	24/11/2024	8th Regal Beagle Ultrarace	50,00	—
✓ 36	5/10/2024	12th WC-50 Ultra Trail Marathon 50km	50,00	—
✓ 37	12/5/2024	6th Watuppa Trail Race 50km	50,00	—
✓ 38	3/3/2024	1st Tombstone 50k Trail Run	50,00	—
✓ 39	6/1/2024	14th Yankee Springs 50 km Winter Challenge	50,00	—
✓ 40	11/11/2023	5th Prisoner of War 50 km Ultra Race	50,00	—
✓ 41	22/10/2023	4th Annual Heritage 50K Trail Run	50,00	—
✓ 42	22/4/2023	6th Run with the Goats 50km - Beer	50,00	—
✓ 43	7/1/2023	13th Yankee Springs 50 km Winter Challenge	50,00	—
✓ 44	8/1/2022	12th Yankee Springs 50 km Winter Challenge	50,00	—
✓ 45	4/1/2020	10th Yankee Springs 50 km Winter Challenge	50,00	—
✓ 46	23/11/2019	3rd Regal Beagle Ultrarace	50,00	—
✓ 47	11/5/2019	12th SweetH2O 50 km	50,00	—
✓ 48	28/4/2019	8th The Trail Marathon 50K	50,00	—
✓ 49	23/3/2019	22nd OPSF Ultra 50 km Race	50,00	—
✓ 50	2/3/2019	4th Conquer the Rock - Foothills 50K	50,00	—
51	5/1/2019	9th Yankee Springs 50 km Winter Challenge	50,00	—
52	23/6/2018	3rd Sinks Canyon Rough & Tumble Trail Runs	50,00	—
53	14/4/2018	6th Singletrack Maniac 50k Trail Run	50,00	—
54	3/3/2018	4th Mesquite Fire 50km	50,00	—
55	24/2/2018	3rd Olde Girdled Grit 50K	50,00	—
56	6/1/2018	8th Yankee Springs 50 km Winter Challenge	50,00	—
57	30/12/2017	21st Huff 50K Trail Run	50,00	—
58	11/6/2017	1st Run the Bends Ultra 50k	50,00	—
59	18/3/2017	1st Wicked Root 50 km Race	50,00	—
60	12/2/2017	5th Rocks and Roots Trail Series 50K	50,00	—
61	20/8/2016	2nd Logan View Raider Run	50,00	—
62	9/7/2016	2nd Cry Me A River 50 km Trail Run	50,00	—
63	5/3/2016	9th Green Jewel 50K	50,00	—
64	2/1/2016	6th Yankee Springs 50 km Winter Challenge	50,00	—
65	5/12/2015	2nd Jackson County 50-50 Ultramarathon - 50 km	50,00	—
66	26/9/2015	13th Dances with Dirt - Hell 50K Ultra	50,00	—
67	21/3/2015	4th Bear Blaster 50K+	50,00	—
68	7/2/2015	12th Louisville's Love'n the Hills (LLTH 50K)	50,00	—
69	3/1/2015	5th Yankee Springs 50 km Winter Challenge	50,00	—
70	12/7/2014	3th Dirty Burg 50K Trail Run	50,00	—
71	17/5/2014	3rd Tryon Farm Trail 50K	50,00	—
72	6/9/2013	5th Run Woodstock - Freak 50 km	50,00	—
73	13/7/2013	10th Dances with Dirt - Devil's Lake 50K Ultra	50,00	—
74	11/5/2013	10th Dances with Dirt - Gnaw Bone 50 km Ultra	50,00	—
75	4/8/2012	4th Dahlgren Heritage Rail Trail 50K	50,00	—
76	14/7/2012	6th Psycho Psummer Run Toto Run 50K	50,00	—
77	23/6/2012	1st Eastern Divide Ultra	50,00	—
78	4/12/2011	2nd Bigfoot 50K Trail Race	50,00	—
79	18/12/2010	14th Huff 50K Trail Run	50,00	—
80	20/5/2023	17th Tie Dye 50k	49,89	—
81	29/3/2025	19th Clinton Lake Ultra	48,28	—
82	30/3/2024	18th Clinton Lake Ultra	48,28	—
83	25/3/2023	17th Clinton Lake Ultra	48,28	—