Brian Brown

Born : 1974 Cat. M50 Ultrarunner since 2013

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

71,5%

Rank quotient ?This runner's calculation uses 119 eligible race(s): Σ(rank − 1) = 9 487; Σ finishers = 13 261. 9 487 / 13 261 × 100 = 71.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed119

Km — ultra races7 962 km

> 100 km14

> 160 km9

> 200 km1

> 24h7

> 48h3

Longest race220,2 km

11th Notchview Ultra 72 Hour Ultra — 11/7/2025

Km per year (ultra races)

689

2022

689

2023

685

2024

818

2025

494

2026

Race types (share of distance)

Road1,2%

Trail98,8%

Records

50 km5h44'13 100 km18h44'24 50 mi11h14'45 100 mi29h59'00 6 h47,82 km 12 h72,42 km 24 h117,63 km 48 h165,12 km

HISTORY

119 race(s)

Date		Race	Perf.	Rk
2026
12.09	50km	11th Boulder Field 100 - 50 km Ultra Run	9:34:17 h	152
06.09	12h	16th Labor Pain 12 Hour Endurance Trail Run	64.373 km	52
29.08	50km	3rd Black Bear Ultra Trail	11:03:31 h	89
11.07	48h	12th Notchview Ultra 48 Hour Ultra	165.118 km	9
04.07	50km	38th Finger Lakes Fifties 50 km Run	9:44:07 h	79
20.06	40mi	23rd Highlands Sky 40M Trail Run	11:51:52 h	161
17.05	50km	5th Highball to Thurmond Ultra 50 km	8:25:43 h	55
2025
14.12	50km	17h Mel Williams Memorial Seashore (Seashore Nature Trail)	7:38:59 h	168
01.11	50km	5th Noland Trail 50 km Race	7:35:12 h	41
25.10	24h	3rd Greensprings 24	117.634 km	25
05.10	50km	20th Blues Cruise 50K Ultra Trail	8:28:42 h	175
06.09	100km	14th Pine Creek Challenge 100 km	18:44:24 h	27
15.08	50mi	4th Jigger Johnson 50M	29:36:47 h	46
11.07	72h	11th Notchview Ultra 72 Hour Ultra	220.158 km	25
05.07	50km	37th Finger Lakes Fifties 50 km Run	9:27:18 h	74
21.06	50km	10th Ghost Town Trail Challenge	8:47:05 h	61
22.03	50km	37th The HAT Run 50K	8:21:39 h	227
2024
15.12	50km	16h Mel Williams Memorial Seashore (Seashore Nature Trail)	7:37:18 h	158
26.10	24h	2nd Greensprings 24	114.070 km	14
12.10	100km	16th Oil Creek 100 km Trail Run	21:03:58 h	37
01.09	12h	14th Labor Pain 12 Hour Endurance Trail Run	49.889 km	157
13.07	100mi	18th Viaduct Trail Ultramarathon 100 Mile	29:59:00 h	10
15.06	40mi	21st Highlands Sky 40M Trail Run	11:51:48 h	159
25.05	88km	10th INFINITUS 2024 - 88k Ultramarathon	19:07:00 h	31
28.04	10h	4th April Foolish 10 Hour Endurance Trail Race	57.936 km	25
2023
17.12	50km	6th Naked Nick 50 km Race	7:25:34 h	132
10.12	50km	15h Mel Williams Memorial Seashore (Seashore Nature Trail)	7:19:53 h	157
28.10	24h	1st Greensprings 24	106.940 km	16
22.10	50km	24th Tussey Mountainback 50 km	7:52:06 h	36
03.09	12h	13th Labor Pain 12 Hour Endurance Trail Run	72.420 km	26
08.07	48h	9th Notchview Ultra 48 Hour Ultra	162.093 km	11
17.06	40mi	20th Highlands Sky 40M Trail Run	11:48:38 h	165
27.05	88km	9th INFINITUS 2023 - 88k Ultramarathon	16:57:30 h	9
11.03	28mi	18th Seneca Creek Greenway Trail 28 Mile	8:06:07 h	77
2022
11.12	50km	14th Mel Williams Memorial Seashore (Seashore Nature Trail)	7:25:55 h	174
15.10	100km	14th Oil Creek 100 km Trail Run	19:22:21 h	44
10.09	50km	7th Boulder Field 100 - 50 km Ultra Run	8:05:02 h	120
04.09	12h	12th Labor Pain 12 Hour Endurance Trail Run	56.327 km	81
02.07	50km	34th Finger Lakes Fifties 50 km Run	8:15:45 h	53
18.06	40mi	19th Highlands Sky 40M Trail Run	11:47:36 h	152
27.05	100mi	8th INFINITUS 2022 - 100 Mile Ultramarathon	39:35:00 h	13
09.04	50km	10th Singletrack Maniac 50k Trail Run	8:17:18 h	56
25.03	36h	8th Dogwood 36 Hour Run	107.665 km	10
2021
18.12	50km	13th Mel Williams Memorial Seashore (Seashore Nature Trail)	7:46:09 h	196
06.11	13h	5th Midnight Maniac 13 Hour Endurance Run	65.500 km	18
16.10	50km	8th Cloudsplitter 100 - 50 km Run	10:30:55 h	45
03.10	50km	16th Blues Cruise 50K Ultra Trail	8:25:59 h	230
07.08	36mi	10th Moosalamoo Ultra	10:38:25 h	48
19.06	50km	6th Ghost Town Trail Challenge	8:25:07 h	71
12.06	50km	42nd Laurel Highlands 50 km Ultra	9:25:40 h	119
28.05	100mi	7th INFINITUS 2021 - 100 Mile Ultramarathon	39:07:00 h	28
18.04	10h	1st April Foolish 10 Hour Endurance Trail Race	51.499 km	106
2020
31.10	13h	4th Midnight Maniac 13 Hour Endurance Run	65.500 km	21
17.10	100km	7th Cloudsplitter 100 - 100 km Run	22:25:24 h	23
07.03	28mi	16th Seneca Creek Greenway Trail 28 Mile	8:00:28 h	117
2019
13.10	50km	7th Green Monster Trail Challenge 50K	9:46:39 h	67
03.08	32.5mi	8th Allegheny Front Trail Run (AFTR) - 50K Seneca Run	8:51:57 h	39
20.07	50km	24th Catoctin 50k Trail Run	9:12:03 h	81
06.07	50km	31st Finger Lakes Fifties 50 km Run	9:09:14 h	119
29.06	50km	3rd Night Train 50k	8:03:46 h	120
08.06	40mi	16th Highlands Sky 40M Trail Run	11:46:03 h	169
18.05	100mi	25th Massanutten Mountain Trails 100 Mile	34:57:16 h	96
28.04	50km	10th Ironmasters Challenge 50k Ultra	8:55:19 h	104
23.03	50km	31st The HAT Run 50K	7:41:13 h	318
02.03	28mi	15th Seneca Creek Greenway Trail 28 Mile	7:44:52 h	85
2018
15.12	50km	10th Mel Williams Memorial Seashore (Seashore Nature Trail)	7:27:08 h	168
13.10	100mi	5th Cloudsplitter 100 - 100 Mile Run	35:41:32 h	34
22.09	40mi	11th Trails 4 Tails 40 Mile Run	10:27:00 h	16
15.09	50km	3rd Boulder Field 100 - 50 km Ultra Run	7:40:29 h	97
04.08	36mi	7th Moosalamoo Ultra	9:58:11 h	25
30.06	50km	30th Finger Lakes Fifties 50 km Run	8:24:18 h	76
29.04	50km	9th Ironmasters Challenge 50k Ultra	7:50:33 h	69
14.04	50km	6th Singletrack Maniac 50k Trail Run	7:21:25 h	37
17.02	50km	8th Febapple Frozen 50 km	7:18:21 h	36
14.01	50km	9th Big Bend 50 - Fresno Creek 50K	7:59:06 h	37
2017
16.12	50km	9th Mel Williams Memorial Seashore (Seashore Nature Trail)	6:46:01 h	159
21.10	40mi	13th Triple Lakes Trail Race	9:26:56 h	22
23.09	40mi	10th Trails 4 Tails 40 Mile Run	9:42:00 h	15
05.08	36mi	6th Moosalamoo Ultra	9:32:22 h	40
01.07	50km	29th Finger Lakes Fifties 50 km Run	10:04:16 h	91
17.06	40mi	14th Highlands Sky 40M Trail Run	11:25:28 h	130
26.05	100mi	3rd INFINITUS 2017 - 100 Mile Ultramarathon	37:34:00 h	13
13.05	50km	7th Dirty German Endurance Fest 50 km	7:01:58 h	101
29.04	50km	11th SweetH2O 50 km	8:39:22 h	30
18.03	50km	29th The HAT Run 50K	7:15:11 h	226
04.03	50km	13th Seneca Creek Greenway Trail 50k	7:23:43 h	110
2016
17.12	50km	8th Mel Williams Memorial Seashore (Seashore Nature Trail)	6:54:19 h	190
01.10	100km	3rd Cloudsplitter 100 - 100 km Run	21:07:07 h	24
02.07	50mi	28th Finger Lakes Fifties 50 Mile Run	11:14:45 h	36
11.06	70.5mi	37th Laurel Highlands 70 Mile Ultra	20:26:53 h	65
14.05	50km	4th Singletrack Maniac 50k Trail Run	6:45:35 h	39
16.04	50km	8th Forget the PR - Mohican 50k	7:26:04 h	73
05.03	50km	12th Seneca Creek Greenway Trail 50k	7:46:19 h	110
06.02	50km	4th Mill Stone 50K	7:38:06 h	67
2015
19.12	50km	7th Mel Williams Memorial Seashore (Seashore Nature Trail)	6:48:07 h	190
03.10	50km	2nd Cloudsplitter 100 - 50 km Run	8:09:33 h	15
04.07	50km	27th Finger Lakes Fifties 50 km Run	8:09:55 h	57
20.06	40mi	13th Highlands Sky 40M Trail Run	10:55:30 h	111
09.05	50km	3rd Singletrack Maniac 50k Trail Run	6:40:10 h	39
18.04	50km	4th Hyner View Trail Challenge 50 km	7:49:18 h	94
21.02	50km	2nd Blackwater 50k Ultra Trail Run Challenge	7:30:16 h	65
2014
20.12	50km	6th Mel Williams Memorial Seashore (Seashore Nature Trail)	6:10:16 h	144
09.11	6h	6th Rhode Island 6 Hour Ultra	47.815 km	37
25.10	40mi	10th Triple Lakes Trail Race	8:40:07 h	29
06.09	29.6mi	5th KTA Trail Challenge	7:50:48 h	28
02.08	36mi	3rd Moosalamoo Ultra	9:33:47 h	27
05.07	50km	26th Finger Lakes Fifties 50 km Run	6:34:36 h	30
25.05	50km	9th Trail Festival at Pineland Farms	5:44:13 h	101
26.04	50km	3rd Hyner View Trail Challenge 50 km	7:10:37 h	69
08.03	50km	10th Seneca Creek Greenway Trail 50k	8:07:15 h	153
22.02	50km	4th Febapple Frozen 50 km	8:41:30 h	38
19.01	50km	6th Big Bend 50 - Fresno Creek 50K	8:21:40 h	55
2013
21.12	50km	5th Mel Williams Memorial Seashore (Seashore Nature Trail)	6:17:28 h	124
13.10	50km	1st Green Monster Trail Challenge 50K	8:15:37 h	37
07.09	29.6mi	4th KTA Trail Challenge	7:26:58 h	61
27.07	30mi	2nd Allegheny Front Trail Run (AFTR) - 50K Seneca Run	5:54:54 h	11
20.04	50km	2nd Hyner View Trail Challenge 50 km	8:37:14 h	99
02.03	50km	9th Seneca Creek Greenway Trail 50k	8:53:06 h	173
20.01	50km	5th Big Bend 50 - Fresno Creek 50K	7:00:32 h	74

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/7/2025	11th Notchview Ultra 72 Hour Ultra	220,16	×3
✓ 2	11/7/2026	12th Notchview Ultra 48 Hour Ultra	165,12	×2
✓ 3	8/7/2023	9th Notchview Ultra 48 Hour Ultra	162,09	×2
✓ 4	13/7/2024	18th Viaduct Trail Ultramarathon 100 Mile	160,93	×2
✓ 5	27/5/2022	8th INFINITUS 2022 - 100 Mile Ultramarathon	160,93	×2
✓ 6	28/5/2021	7th INFINITUS 2021 - 100 Mile Ultramarathon	160,93	×2
✓ 7	18/5/2019	25th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 8	13/10/2018	5th Cloudsplitter 100 - 100 Mile Run	160,93	×2
✓ 9	26/5/2017	3rd INFINITUS 2017 - 100 Mile Ultramarathon	160,93	×2
✓ 10	25/10/2025	3rd Greensprings 24	117,63	×2
✓ 11	26/10/2024	2nd Greensprings 24	114,07	×2
✓ 12	11/6/2016	37th Laurel Highlands 70 Mile Ultra	113,46	×2
✓ 13	25/3/2022	8th Dogwood 36 Hour Run	107,67	×1
✓ 14	28/10/2023	1st Greensprings 24	106,94	×1
✓ 15	6/9/2025	14th Pine Creek Challenge 100 km	100,00	×1
✓ 16	12/10/2024	16th Oil Creek 100 km Trail Run	100,00	×1
✓ 17	15/10/2022	14th Oil Creek 100 km Trail Run	100,00	×1
✓ 18	17/10/2020	7th Cloudsplitter 100 - 100 km Run	100,00	×1
✓ 19	1/10/2016	3rd Cloudsplitter 100 - 100 km Run	100,00	×1
✓ 20	25/5/2024	10th INFINITUS 2024 - 88k Ultramarathon	88,00	×1
✓ 21	27/5/2023	9th INFINITUS 2023 - 88k Ultramarathon	88,00	×1
✓ 22	15/8/2025	4th Jigger Johnson 50M	80,47	×1
✓ 23	2/7/2016	28th Finger Lakes Fifties 50 Mile Run	80,47	×1
✓ 24	3/9/2023	13th Labor Pain 12 Hour Endurance Trail Run	72,42	×1
✓ 25	6/11/2021	5th Midnight Maniac 13 Hour Endurance Run	65,50	×1
✓ 26	31/10/2020	4th Midnight Maniac 13 Hour Endurance Run	65,50	×1
✓ 27	20/6/2026	23rd Highlands Sky 40M Trail Run	64,37	×1
✓ 28	15/6/2024	21st Highlands Sky 40M Trail Run	64,37	×1
✓ 29	17/6/2023	20th Highlands Sky 40M Trail Run	64,37	×1
✓ 30	18/6/2022	19th Highlands Sky 40M Trail Run	64,37	×1
✓ 31	8/6/2019	16th Highlands Sky 40M Trail Run	64,37	×1
✓ 32	22/9/2018	11th Trails 4 Tails 40 Mile Run	64,37	×1
✓ 33	21/10/2017	13th Triple Lakes Trail Race	64,37	×1
✓ 34	23/9/2017	10th Trails 4 Tails 40 Mile Run	64,37	×1
✓ 35	17/6/2017	14th Highlands Sky 40M Trail Run	64,37	×1
✓ 36	20/6/2015	13th Highlands Sky 40M Trail Run	64,37	×1
✓ 37	25/10/2014	10th Triple Lakes Trail Race	64,37	×1
✓ 38	6/9/2026	16th Labor Pain 12 Hour Endurance Trail Run	64,37	×1
✓ 39	7/8/2021	10th Moosalamoo Ultra	57,94	×1
✓ 40	4/8/2018	7th Moosalamoo Ultra	57,94	×1
✓ 41	5/8/2017	6th Moosalamoo Ultra	57,94	×1
✓ 42	2/8/2014	3rd Moosalamoo Ultra	57,94	×1
✓ 43	28/4/2024	4th April Foolish 10 Hour Endurance Trail Race	57,94	×1
✓ 44	4/9/2022	12th Labor Pain 12 Hour Endurance Trail Run	56,33	×1
✓ 45	3/8/2019	8th Allegheny Front Trail Run (AFTR) - 50K Seneca Run	52,30	—
✓ 46	18/4/2021	1st April Foolish 10 Hour Endurance Trail Race	51,50	—
✓ 47	12/9/2026	11th Boulder Field 100 - 50 km Ultra Run	50,00	—
✓ 48	29/8/2026	3rd Black Bear Ultra Trail	50,00	—
✓ 49	4/7/2026	38th Finger Lakes Fifties 50 km Run	50,00	—
✓ 50	17/5/2026	5th Highball to Thurmond Ultra 50 km	50,00	—
51	14/12/2025	17h Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
52	1/11/2025	5th Noland Trail 50 km Race	50,00	—
53	5/10/2025	20th Blues Cruise 50K Ultra Trail	50,00	—
54	5/7/2025	37th Finger Lakes Fifties 50 km Run	50,00	—
55	21/6/2025	10th Ghost Town Trail Challenge	50,00	—
56	22/3/2025	37th The HAT Run 50K	50,00	—
57	15/12/2024	16h Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
58	17/12/2023	6th Naked Nick 50 km Race	50,00	—
59	10/12/2023	15h Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
60	22/10/2023	24th Tussey Mountainback 50 km	50,00	—
61	11/12/2022	14th Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
62	10/9/2022	7th Boulder Field 100 - 50 km Ultra Run	50,00	—
63	2/7/2022	34th Finger Lakes Fifties 50 km Run	50,00	—
64	9/4/2022	10th Singletrack Maniac 50k Trail Run	50,00	—
65	18/12/2021	13th Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
66	16/10/2021	8th Cloudsplitter 100 - 50 km Run	50,00	—
67	3/10/2021	16th Blues Cruise 50K Ultra Trail	50,00	—
68	19/6/2021	6th Ghost Town Trail Challenge	50,00	—
69	12/6/2021	42nd Laurel Highlands 50 km Ultra	50,00	—
70	13/10/2019	7th Green Monster Trail Challenge 50K	50,00	—
71	20/7/2019	24th Catoctin 50k Trail Run	50,00	—
72	6/7/2019	31st Finger Lakes Fifties 50 km Run	50,00	—
73	29/6/2019	3rd Night Train 50k	50,00	—
74	28/4/2019	10th Ironmasters Challenge 50k Ultra	50,00	—
75	23/3/2019	31st The HAT Run 50K	50,00	—
76	15/12/2018	10th Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
77	15/9/2018	3rd Boulder Field 100 - 50 km Ultra Run	50,00	—
78	30/6/2018	30th Finger Lakes Fifties 50 km Run	50,00	—
79	29/4/2018	9th Ironmasters Challenge 50k Ultra	50,00	—
80	14/4/2018	6th Singletrack Maniac 50k Trail Run	50,00	—
81	17/2/2018	8th Febapple Frozen 50 km	50,00	—
82	14/1/2018	9th Big Bend 50 - Fresno Creek 50K	50,00	—
83	16/12/2017	9th Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
84	1/7/2017	29th Finger Lakes Fifties 50 km Run	50,00	—
85	13/5/2017	7th Dirty German Endurance Fest 50 km	50,00	—
86	29/4/2017	11th SweetH2O 50 km	50,00	—
87	18/3/2017	29th The HAT Run 50K	50,00	—
88	4/3/2017	13th Seneca Creek Greenway Trail 50k	50,00	—
89	17/12/2016	8th Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
90	14/5/2016	4th Singletrack Maniac 50k Trail Run	50,00	—
91	16/4/2016	8th Forget the PR - Mohican 50k	50,00	—
92	5/3/2016	12th Seneca Creek Greenway Trail 50k	50,00	—
93	6/2/2016	4th Mill Stone 50K	50,00	—
94	19/12/2015	7th Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
95	3/10/2015	2nd Cloudsplitter 100 - 50 km Run	50,00	—
96	4/7/2015	27th Finger Lakes Fifties 50 km Run	50,00	—
97	9/5/2015	3rd Singletrack Maniac 50k Trail Run	50,00	—
98	18/4/2015	4th Hyner View Trail Challenge 50 km	50,00	—
99	21/2/2015	2nd Blackwater 50k Ultra Trail Run Challenge	50,00	—
100	20/12/2014	6th Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
101	5/7/2014	26th Finger Lakes Fifties 50 km Run	50,00	—
102	25/5/2014	9th Trail Festival at Pineland Farms	50,00	—
103	26/4/2014	3rd Hyner View Trail Challenge 50 km	50,00	—
104	8/3/2014	10th Seneca Creek Greenway Trail 50k	50,00	—
105	22/2/2014	4th Febapple Frozen 50 km	50,00	—
106	19/1/2014	6th Big Bend 50 - Fresno Creek 50K	50,00	—
107	21/12/2013	5th Mel Williams Memorial Seashore (Seashore Nature Trail)	50,00	—
108	13/10/2013	1st Green Monster Trail Challenge 50K	50,00	—
109	20/4/2013	2nd Hyner View Trail Challenge 50 km	50,00	—
110	2/3/2013	9th Seneca Creek Greenway Trail 50k	50,00	—
111	20/1/2013	5th Big Bend 50 - Fresno Creek 50K	50,00	—
112	1/9/2024	14th Labor Pain 12 Hour Endurance Trail Run	49,89	—
113	27/7/2013	2nd Allegheny Front Trail Run (AFTR) - 50K Seneca Run	48,28	—
114	9/11/2014	6th Rhode Island 6 Hour Ultra	47,82	—
115	6/9/2014	5th KTA Trail Challenge	47,64	—
116	7/9/2013	4th KTA Trail Challenge	47,64	—
117	11/3/2023	18th Seneca Creek Greenway Trail 28 Mile	45,06	—
118	7/3/2020	16th Seneca Creek Greenway Trail 28 Mile	45,06	—
119	2/3/2019	15th Seneca Creek Greenway Trail 28 Mile	45,06	—