Karsten Brown

Born : 1974 Cat. M50 Ultrarunner since 1997

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

13,3%

Rank quotient ?This runner's calculation uses 72 eligible race(s): Σ(rank − 1) = 1 403; Σ finishers = 10 556. 1 403 / 10 556 × 100 = 13.29%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed72

Km — ultra races4 583 km

> 100 km5

> 160 km3

Longest race160,9 km

36th Old Dominion 100 Mile Endurance Run — 7/6/2014

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road10,5%

Trail89,5%

Wins & podiums (ultra)

🏆 Win4

🏆 Win M4

🏅 Top 317

🏅 Top 3 M19

Longest winning streak1

Current streak0

Records

50 km3h41'17 50 mi7h29'14 100 mi17h20'15 6 h67,99 km 12 h110,31 km

HISTORY

72 race(s)

Date		Race	Perf.	Rk
2024
03.05	50km	14th Salt Flats 50 km	4:58:14 h	9
2023
11.11	50km	14th Rosaryville Veterans Day 50K	6:21:38 h	26
2022
12.11	50km	13th Rosaryville Veterans Day 50K	6:49:35 h	31
2020
19.01	50km	5th Waterfall 50km	8:19:08 h	36
2019
09.11	50km	10th Rosaryville Veterans Day 50K	5:36:23 h	33
16.03	50km	14th Elizabeth's Furnace Fat Ass 50 km Race	7:10:00 h	15
2018
10.11	50km	9th Rosaryville Veterans Day 50K	5:44:14 h	46
23.06	50km	7th Rodeo Valley 50 km Trail Run	6:12:46 h	37
17.03	50km	13th Elizabeth's Furnace Fat Ass 50 km Race	6:46:00 h	12
2017
11.11	50km	8th Rosaryville Veterans Day 50K	6:00:43 h	41
22.07	6h	7th Endless Summer 6-Hour Run	55.725 km	9
27.05	12h	5th Sole Challenge 12 Hour Run	110.306 km	1 🏆
08.04	50mi	25th Bull Run Run 50 Miler	9:09:04 h	44
2016
12.11	50km	7th Rosaryville Veterans Day 50K	4:10:48 h	6
30.07	6h	6th Endless Summer 6-Hour Run	56.756 km	12
20.02	50km	3rd Frozen Heart Trail Race	5:15:48 h	8
2015
14.11	50km	6th Rosaryville Veterans Day 50K	4:27:48 h	8
08.08	50km	2nd MD Heat Trail Race	7:24:26 h	24
25.07	6h	5th Endless Summer 6-Hour Run	62.281 km	4
11.04	50mi	23rd Bull Run Run 50 Miler	8:12:15 h	17
14.03	50km	4th Marin Ultra Challenge 50 km Race	4:54:08 h	19
07.02	50km	4th Mid-Maryland Ultra 50k	4:20:13 h	6
2014
15.11	50mi	5th Stone Mill 50 Mile Run	8:24:32 h	19
08.11	50km	5th Rosaryville Veterans Day 50K	3:58:33 h	3 🥉
26.07	6h	4th Endless Summer 6-Hour Run	67.985 km	2 🥈
07.06	100mi	36th Old Dominion 100 Mile Endurance Run	21:17:24 h	13
2013
09.11	50km	4th Rosaryville Veterans Day 50K	4:14:11 h	8
03.08	50km	5th Dahlgren Heritage Rail Trail 50K	4:09:50 h	6
27.07	6h	3rd Endless Summer 6-Hour Run	60.237 km	5
2012
11.11	50km	3rd Rosaryville Veterans Day 50K	3:57:41 h	7
04.08	50km	4th Dahlgren Heritage Rail Trail 50K	4:15:08 h	4
14.04	50mi	20th Bull Run Run 50 Miler	7:56:02 h	21
2011
12.11	50km	2nd Rosaryville Veterans Day 50K	3:44:46 h	2 🥈
06.08	50km	3rd Dahlgren Heritage Rail Trail 50K	4:06:22 h	5
23.07	6h	1st Endless Summer 6-Hour Run	67.302 km	2 🥈
04.06	100mi	33rd Old Dominion 100 Mile Endurance Run	17:20:15 h	2 🥈
22.05	50mi	1st Dirty German Endurance Fest 50 Mile	7:29:14 h	4
07.05	50km	13th Capon Valley 50K Run	4:06:48 h	2 🥈
2010
20.11	50mi	1st Stone Mill 50 Mile Run	8:22:41 h	4
13.11	50km	1st Rosaryville Veterans Day 50K	3:41:17 h	4
07.08	50km	2nd Dahlgren Heritage Rail Trail 50K	3:55:06 h	1 🏆
31.07	50km	15th Catoctin 50k Trail Run	5:19:41 h	4
15.05	100mi	16th Massanutten Mountain Trails 100 Mile	29:15:45 h	46
08.05	50km	12th Capon Valley 50K Run	3:54:31 h	1 🏆
2009
17.10	50mi	SMUT 50 Mile Run	11:54:00 h	3 🥉
05.09	71.1mi	7th The Ring 71-mile Run	21:02:10 h	8
08.08	50km	1st Dahlgren Heritage Rail Trail 50K	3:57:51 h	2 🥈
01.08	50km	14th Catoctin 50k Trail Run	5:13:30 h	2 🥈
12.07	50km	1st Rosaryville 50 km Trail Run	4:04:51 h	2 🥈
20.06	40mi	7th Highlands Sky 40M Trail Run	7:17:25 h	3 🥉
09.05	50km	11th Capon Valley 50K Run	4:05:23 h	1 🏆
18.04	50mi	17th Bull Run Run 50 Miler	7:51:36 h	12
2008
22.11	50mi	46th JFK 50 Mile	8:04:37 h	50
10.05	50km	10th Capon Valley 50K Run	4:26:00 h	3 🥉
2007
17.11	50mi	45th JFK 50 Mile	8:14:06 h	108
08.09	50km	23rd Groundhog Fall 50K	4:49:00 h	12
07.07	50km	13th Rattlesnake Trail 50K Ultrarun	4:42:51 h	6
17.06	40mi	5th Highlands Sky 40M Trail Run	8:06:58 h	17
26.05	50mi	6th Old Dominion Memorial Day Race 50 Mile	7:38:52 h	3 🥉
12.05	50km	9th Capon Valley 50K Run	4:26:59 h	4
2006
08.07	50km	12th Rattlesnake Trail 50K Ultrarun	5:17:05 h	9
06.05	50km	8th Capon Valley 50K Run	4:51:50 h	16
2004
15.05	50km	6th Capon Valley 50K Run	4:32:43 h	19
1999
19.05	50km	1st Capon Valley 50K Run	4:36:52 h	8
20.03	50km	11th The HAT Run 50K	5:45:30 h	145
1998
21.11	50mi	36th JFK 50 Mile	8:51:53 h	154
11.07	50km	4th Rattlesnake Trail 50K Ultrarun	4:56:09 h	23
14.02	50km	3rd Holiday Lake 50K++	5:02:30 h	14
1997
13.12	50km	2nd Magnus Gluteus Maximus - Fet Bakdel 50 km	6:16:00 h	17
22.11	50mi	35th JFK 50 Mile	9:03:16 h	136
12.04	50mi	5th Bull Run Run 50 Miler	9:14:28 h	51
22.03	50km	9th The HAT Run 50K	4:58:56 h	38

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	7/6/2014	36th Old Dominion 100 Mile Endurance Run	160,93	×3
✓ 2	4/6/2011	33rd Old Dominion 100 Mile Endurance Run	160,93	×3
✓ 3	15/5/2010	16th Massanutten Mountain Trails 100 Mile	160,93	×3
✓ 4	5/9/2009	7th The Ring 71-mile Run	114,42	×2
✓ 5	27/5/2017	5th Sole Challenge 12 Hour Run	110,31	×2
✓ 6	8/4/2017	25th Bull Run Run 50 Miler	80,47	×1
✓ 7	11/4/2015	23rd Bull Run Run 50 Miler	80,47	×1
✓ 8	15/11/2014	5th Stone Mill 50 Mile Run	80,47	×1
✓ 9	14/4/2012	20th Bull Run Run 50 Miler	80,47	×1
✓ 10	22/5/2011	1st Dirty German Endurance Fest 50 Mile	80,47	×1
✓ 11	20/11/2010	1st Stone Mill 50 Mile Run	80,47	×1
✓ 12	17/10/2009	SMUT 50 Mile Run	80,47	×1
✓ 13	18/4/2009	17th Bull Run Run 50 Miler	80,47	×1
✓ 14	22/11/2008	46th JFK 50 Mile	80,47	×1
✓ 15	17/11/2007	45th JFK 50 Mile	80,47	×1
✓ 16	26/5/2007	6th Old Dominion Memorial Day Race 50 Mile	80,47	×1
✓ 17	21/11/1998	36th JFK 50 Mile	80,47	×1
✓ 18	22/11/1997	35th JFK 50 Mile	80,47	×1
✓ 19	12/4/1997	5th Bull Run Run 50 Miler	80,47	×1
✓ 20	26/7/2014	4th Endless Summer 6-Hour Run	67,99	×1
✓ 21	23/7/2011	1st Endless Summer 6-Hour Run	67,30	×1
✓ 22	20/6/2009	7th Highlands Sky 40M Trail Run	64,37	×1
✓ 23	17/6/2007	5th Highlands Sky 40M Trail Run	64,37	×1
✓ 24	25/7/2015	5th Endless Summer 6-Hour Run	62,28	×1
✓ 25	27/7/2013	3rd Endless Summer 6-Hour Run	60,24	×1
✓ 26	30/7/2016	6th Endless Summer 6-Hour Run	56,76	×1
✓ 27	22/7/2017	7th Endless Summer 6-Hour Run	55,73	×1
✓ 28	3/5/2024	14th Salt Flats 50 km	50,00	×1
✓ 29	11/11/2023	14th Rosaryville Veterans Day 50K	50,00	×1
✓ 30	12/11/2022	13th Rosaryville Veterans Day 50K	50,00	×1
✓ 31	19/1/2020	5th Waterfall 50km	50,00	×1
✓ 32	9/11/2019	10th Rosaryville Veterans Day 50K	50,00	×1
✓ 33	16/3/2019	14th Elizabeth's Furnace Fat Ass 50 km Race	50,00	×1
✓ 34	10/11/2018	9th Rosaryville Veterans Day 50K	50,00	×1
✓ 35	23/6/2018	7th Rodeo Valley 50 km Trail Run	50,00	×1
✓ 36	17/3/2018	13th Elizabeth's Furnace Fat Ass 50 km Race	50,00	×1
✓ 37	11/11/2017	8th Rosaryville Veterans Day 50K	50,00	×1
✓ 38	12/11/2016	7th Rosaryville Veterans Day 50K	50,00	×1
✓ 39	20/2/2016	3rd Frozen Heart Trail Race	50,00	×1
✓ 40	14/11/2015	6th Rosaryville Veterans Day 50K	50,00	×1
✓ 41	8/8/2015	2nd MD Heat Trail Race	50,00	×1
✓ 42	14/3/2015	4th Marin Ultra Challenge 50 km Race	50,00	×1
✓ 43	7/2/2015	4th Mid-Maryland Ultra 50k	50,00	×1
✓ 44	8/11/2014	5th Rosaryville Veterans Day 50K	50,00	×1
✓ 45	9/11/2013	4th Rosaryville Veterans Day 50K	50,00	×1
✓ 46	3/8/2013	5th Dahlgren Heritage Rail Trail 50K	50,00	×1
✓ 47	11/11/2012	3rd Rosaryville Veterans Day 50K	50,00	×1
✓ 48	4/8/2012	4th Dahlgren Heritage Rail Trail 50K	50,00	×1
✓ 49	12/11/2011	2nd Rosaryville Veterans Day 50K	50,00	×1
✓ 50	6/8/2011	3rd Dahlgren Heritage Rail Trail 50K	50,00	×1
51	7/5/2011	13th Capon Valley 50K Run	50,00	×1
52	13/11/2010	1st Rosaryville Veterans Day 50K	50,00	×1
53	7/8/2010	2nd Dahlgren Heritage Rail Trail 50K	50,00	×1
54	31/7/2010	15th Catoctin 50k Trail Run	50,00	×1
55	8/5/2010	12th Capon Valley 50K Run	50,00	×1
56	8/8/2009	1st Dahlgren Heritage Rail Trail 50K	50,00	×1
57	1/8/2009	14th Catoctin 50k Trail Run	50,00	×1
58	12/7/2009	1st Rosaryville 50 km Trail Run	50,00	×1
59	9/5/2009	11th Capon Valley 50K Run	50,00	×1
60	10/5/2008	10th Capon Valley 50K Run	50,00	×1
61	8/9/2007	23rd Groundhog Fall 50K	50,00	×1
62	7/7/2007	13th Rattlesnake Trail 50K Ultrarun	50,00	×1
63	12/5/2007	9th Capon Valley 50K Run	50,00	×1
64	8/7/2006	12th Rattlesnake Trail 50K Ultrarun	50,00	×1
65	6/5/2006	8th Capon Valley 50K Run	50,00	×1
66	15/5/2004	6th Capon Valley 50K Run	50,00	×1
67	19/5/1999	1st Capon Valley 50K Run	50,00	×1
68	20/3/1999	11th The HAT Run 50K	50,00	×1
69	11/7/1998	4th Rattlesnake Trail 50K Ultrarun	50,00	×1
70	14/2/1998	3rd Holiday Lake 50K++	50,00	×1
71	13/12/1997	2nd Magnus Gluteus Maximus - Fet Bakdel 50 km	50,00	×1
72	22/3/1997	9th The HAT Run 50K	50,00	×1