Bruce Kacen

Born : 1948 Cat. M75 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

68,8%

Rank quotient ?This runner's calculation uses 101 eligible race(s): Σ(rank − 1) = 9 826; Σ finishers = 14 283. 9 826 / 14 283 × 100 = 68.80%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed105

Km — ultra races6 668 km

> 100 km8

> 160 km7

> 24h1

Longest race160,9 km

16th New York Pioneer Memorial 100 Mile Trek — 28/5/2011

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road61,0%

Trail33,1%

Stage4,8%

?1,1%

Records

50 km4h48'37 50 mi9h38'50 100 mi23h26'28 6 h53,35 km 12 h84,51 km 24 h126,33 km

HISTORY

103 race(s)

Date		Race	Perf.	Rk
2019
01.06	50km	7th BUS Trail Mix-Up Run 50K	6:29:40 h	21
2011
19.11	60km	31st NYRR Knickerbocker 60K	7:53:11 h	262
28.05	100mi/3stages	16th New York Pioneer Memorial 100 Mile Trek	23:26:28 h	15
07.05	50km	9th Long Island Greenbelt Trail 50 km	8:08:00 h	43
16.04	50km	33rd Sybil Ludington 50 km Run	6:22:48 h	32
02.04	6h	1st BUS 6-Hour Run	47.133 km	24
06.03	50km	9th Caumsett Park 50K Lloyd Neck	7:00:35 h	89
2010
20.11	60km	30th NYRR Knickerbocker 60K	7:44:40 h	182
17.10	6h	11th 6 Hour 60th Birthday Run	45.560 km	37
26.09	6h	1st BUS Half Ass Trail Mix-up 6h	47.395 km	19
19.06	12h	Joe Kleinerman 12-Hour Run Crocheron Park	77.862 km	35
08.05	50km	8th Long Island Greenbelt Trail 50 km	7:46:41 h	45
24.04	50km	32nd Sybil Ludington 50 km Run	6:02:08 h	31
28.03	50km	16th Queens 50 km Run	6:41:18 h	29
07.03	50km	8th Caumsett Park 50K Lloyd Neck	6:45:09 h	99
2009
23.05	100mi/3stages	15th New York Pioneer Memorial 100 Mile Trek	24:55:46 h	23
09.05	50km	7th Long Island Greenbelt Trail 50 km	8:03:14 h	31
01.03	50km	7th Caumsett Park 50K Lloyd Neck	7:04:47 h	87
2008
04.10	24h	3rd Ted Corbitt 24-Hour Run	126.333 km	33
20.09	6h	8th Staten Island 6 hour Ultra race	50.951 km	32
02.08	12h	Joe Kleinerman 12-Hour Run Crocheron Park	84.357 km	20
14.06	50km	2nd Unisphere 50 km Ultra Marathon	7:20:11 h	33
14.06	50mi	2nd Unisphere 50 Mile Ultra Marathon	11:58:02 h	24
10.05	50km	6th Long Island Greenbelt Trail 50 km	7:48:45 h	51
26.04	50km	30th Sybil Ludington 50 km Run	5:57:32 h	30
02.03	50km	6th Caumsett Park 50K Lloyd Neck	6:51:19 h	88
2007
17.11	50mi	45th JFK 50 Mile	11:27:11 h	797
14.10	6h	8th 6 Hour 60th Birthday Run	46.654 km	35
22.09	6h	7th Staten Island 6 hour Ultra race	49.395 km	30
12.05	50km	5th Long Island Greenbelt Trail 50 km	8:27:38 h	41
21.04	50km	29th Sybil Ludington 50 km Run	5:46:36 h	27
01.04	50mi	35th Metropolitan 50 Mile Race	11:13:40 h	26
04.03	50km	5th Caumsett Park 50K Lloyd Neck	5:51:31 h	68
2006
25.11	60km	26th NYRR Knickerbocker 60K	6:54:11 h	77
18.11	50mi	44th JFK 50 Mile	11:28:01 h	750
23.09	6h	6th Staten Island 6 hour Ultra race	49.213 km	14
20.08	8h	Johnny's 8-Hour Run Crocheron Park	59.941 km	29
20.05	50km	4th Long Island Greenbelt Trail 50 km	7:53:30 h	38
22.04	50km	28th Sybil Ludington 50 km Run	6:09:58 h	33
02.04	50mi	34th Metropolitan 50 Mile Race	10:06:59 h	13
05.03	50km	4th Caumsett Park 50K Lloyd Neck	6:51:30 h	78
2005
26.11	60km	25th NYRR Knickerbocker 60K	6:45:10 h	46
19.11	50mi	43rd JFK 50 Mile	11:09:56 h	629
16.10	6h	6th 6 Hour 60th Birthday Run	45.673 km	31
24.09	6h	5th Staten Island 6 hour Ultra race	52.358 km	31
23.04	50km	27th Sybil Ludington 50 km Run	6:07:58 h	33
02.04	100mi	11th Umstead Endurance Run 100 Miles	28:30:54 h	75
06.03	50km	3rd Caumsett Park 50K Lloyd Neck	6:35:59 h	54
2004
27.11	60km	24th NYRR Knickerbocker 60K	7:56:25 h	56
20.11	50mi	42nd JFK 50 Mile	11:18:05 h	599
17.10	6h	5th 6 Hour 60th Birthday Run	45.463 km	34
18.09	6h	4th Staten Island 6 hour Ultra race	45.427 km	42
17.07	100mi	16th Vermont 100 Mile Endurance Race	29:25:42 h	158
15.05	50km	2nd Long Island Greenbelt Trail 50 km	8:20:29 h	54
24.04	50km	26th Sybil Ludington 50 km Run	6:00:27 h	29
07.03	50km	2nd Caumsett Park 50K Lloyd Neck	6:36:27 h	60
15.02	50mi	33rd Metropolitan 50 Mile Race	10:43:50 h	17
2003
22.11	50mi	41st JFK 50 Mile	11:25:53 h	603
20.09	6h	3rd Staten Island 6 hour Ultra race	50.887 km	29
19.07	100mi	15th Vermont 100 Mile Endurance Race	28:22:39 h	201
17.05	50km	1st Long Island Greenbelt Trail 50 km	8:36:24 h	48
02.03	50km	1st Caumsett Park 50K Lloyd Neck	5:57:15 h	19
15.02	50mi	32nd Metropolitan 50 Mile Race	9:42:37 h	15
2002
30.11	60km	23rd NYRR Knickerbocker 60K	7:19:32 h	56
23.11	50mi	40th JFK 50 Mile	11:47:23 h	649
20.10	6h	3rd 6 Hour 60th Birthday Run	45.174 km	28
21.09	6h	2nd Staten Island 6 hour Ultra race	53.349 km	14
18.05	50km	2nd Long Island Endurance 50K Run	7:06:57 h	21
20.04	50km	24th Sybil Ludington 50 km Run	5:43:25 h	26
17.02	50mi	31st Metropolitan 50 Mile Race	9:48:35 h	24
2001
24.11	60km	22nd NYRR Knickerbocker 60K	7:39:01 h	66
17.11	50mi	39th JFK 50 Mile	11:34:09 h	573
21.07	100mi	13th Vermont 100 Mile Endurance Race	28:44:22 h	168
29.04	50km	27th Lake Waramaug 50km Ultra Marathon	5:32:13 h	17
18.02	50km	9th Kurt Steiner 50K	6:10:13 h	65
2000
25.11	60km	21st NYRR Knickerbocker 60K	7:07:45 h	56
04.11	50mi	38th JFK 50 Mile	10:41:10 h	376
02.09	50km	Brooklyn 50 km	6:33:18 h	14
13.08	50km	Bronx Trail 50 km	6:58:52 h	35
29.07	6h	Cirulnick-Innamorato Six Hour Distance Run	51.611 km	34
15.07	100mi	12th Vermont 100 Mile Endurance Race	27:37:34 h	127
17.06	12h	Joe Kleinerman 12-Hour Run Crocheron Park	84.506 km	25
11.06	50km	Double Trouble 50 km Trail Run	7:03:58 h	31
22.04	50km	22nd Sybil Ludington 50 km Run	4:55:32 h	15
25.03	50km	7th GNC 100 km Run Challenge - 50km Split	6:06:21 h	79
25.03	50mi	7th GNC 100 km Run Challenge - 50mi Split	10:26:08 h	45
19.02	50km	8th Kurt Steiner 50K	5:00:55 h	42
1999
27.11	60km	20th NYRR Knickerbocker 60K	6:00:49 h	30
20.11	50mi	37th JFK 50 Mile	9:38:50 h	285
03.10	50km	Memorial Run 50 km	4:50:55 h	16
05.09	50km	Brooklyn 50 km Run	5:47:10 h	20
24.04	50km	21st Sybil Ludington 50 km Run	4:48:37 h	15
27.03	50km	6th GNC 50 km Run Challenge	5:16:28 h	65
27.03	50mi	6th GNC 50 Mile Run Challenge	10:25:16 h	27
27.02	50mi	28th Metropolitan 50 Mile Race	9:59:44 h	27
31.01	8h	1st Ted Corbitt 80th Birthday Run	72.028 km	12
1998
28.11	50km	6th Kurt Steiner 50K	4:49:35 h	23
21.11	50mi	36th JFK 50 Mile	10:03:32 h	379
15.02	60km	19th NYRR Knickerbocker 60K	7:19:56 h	79
1997
29.11	50km	5th Kurt Steiner 50K	5:04:24 h	32
05.10	50km	Bergen Ultra Blast	5:52:17 h	30
31.08	6h	Cirulnick-Innamorato Six Hour Distance Run	51.706 km	17
16.02	60km	18th NYRR Knickerbocker 60K	8:19:07 h	74

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	28/5/2011	16th New York Pioneer Memorial 100 Mile Trek	160,93	×3
✓ 2	23/5/2009	15th New York Pioneer Memorial 100 Mile Trek	160,93	×3
✓ 3	2/4/2005	11th Umstead Endurance Run 100 Miles	160,93	×3
✓ 4	17/7/2004	16th Vermont 100 Mile Endurance Race	160,93	×3
✓ 5	19/7/2003	15th Vermont 100 Mile Endurance Race	160,93	×3
✓ 6	21/7/2001	13th Vermont 100 Mile Endurance Race	160,93	×3
✓ 7	15/7/2000	12th Vermont 100 Mile Endurance Race	160,93	×3
✓ 8	4/10/2008	3rd Ted Corbitt 24-Hour Run	126,33	×2
✓ 9	17/6/2000	Joe Kleinerman 12-Hour Run Crocheron Park	84,51	×1
✓ 10	2/8/2008	Joe Kleinerman 12-Hour Run Crocheron Park	84,36	×1
✓ 11	14/6/2008	2nd Unisphere 50 Mile Ultra Marathon	80,47	×1
✓ 12	17/11/2007	45th JFK 50 Mile	80,47	×1
✓ 13	1/4/2007	35th Metropolitan 50 Mile Race	80,47	×1
✓ 14	18/11/2006	44th JFK 50 Mile	80,47	×1
✓ 15	2/4/2006	34th Metropolitan 50 Mile Race	80,47	×1
✓ 16	19/11/2005	43rd JFK 50 Mile	80,47	×1
✓ 17	20/11/2004	42nd JFK 50 Mile	80,47	×1
✓ 18	15/2/2004	33rd Metropolitan 50 Mile Race	80,47	×1
✓ 19	22/11/2003	41st JFK 50 Mile	80,47	×1
✓ 20	15/2/2003	32nd Metropolitan 50 Mile Race	80,47	×1
✓ 21	23/11/2002	40th JFK 50 Mile	80,47	×1
✓ 22	17/2/2002	31st Metropolitan 50 Mile Race	80,47	×1
✓ 23	17/11/2001	39th JFK 50 Mile	80,47	×1
✓ 24	4/11/2000	38th JFK 50 Mile	80,47	×1
✓ 25	20/11/1999	37th JFK 50 Mile	80,47	×1
✓ 26	27/3/1999	6th GNC 50 Mile Run Challenge	80,47	×1
✓ 27	27/2/1999	28th Metropolitan 50 Mile Race	80,47	×1
✓ 28	21/11/1998	36th JFK 50 Mile	80,47	×1
✓ 29	19/6/2010	Joe Kleinerman 12-Hour Run Crocheron Park	77,86	×1
✓ 30	31/1/1999	1st Ted Corbitt 80th Birthday Run	72,03	×1
✓ 31	19/11/2011	31st NYRR Knickerbocker 60K	60,00	×1
✓ 32	20/11/2010	30th NYRR Knickerbocker 60K	60,00	×1
✓ 33	25/11/2006	26th NYRR Knickerbocker 60K	60,00	×1
✓ 34	26/11/2005	25th NYRR Knickerbocker 60K	60,00	×1
✓ 35	27/11/2004	24th NYRR Knickerbocker 60K	60,00	×1
✓ 36	30/11/2002	23rd NYRR Knickerbocker 60K	60,00	×1
✓ 37	24/11/2001	22nd NYRR Knickerbocker 60K	60,00	×1
✓ 38	25/11/2000	21st NYRR Knickerbocker 60K	60,00	×1
✓ 39	27/11/1999	20th NYRR Knickerbocker 60K	60,00	×1
✓ 40	15/2/1998	19th NYRR Knickerbocker 60K	60,00	×1
✓ 41	16/2/1997	18th NYRR Knickerbocker 60K	60,00	×1
✓ 42	20/8/2006	Johnny's 8-Hour Run Crocheron Park	59,94	×1
✓ 43	21/9/2002	2nd Staten Island 6 hour Ultra race	53,35	×1
✓ 44	24/9/2005	5th Staten Island 6 hour Ultra race	52,36	—
✓ 45	31/8/1997	Cirulnick-Innamorato Six Hour Distance Run	51,71	—
✓ 46	29/7/2000	Cirulnick-Innamorato Six Hour Distance Run	51,61	—
✓ 47	20/9/2008	8th Staten Island 6 hour Ultra race	50,95	—
✓ 48	20/9/2003	3rd Staten Island 6 hour Ultra race	50,89	—
✓ 49	1/6/2019	7th BUS Trail Mix-Up Run 50K	50,00	—
✓ 50	7/5/2011	9th Long Island Greenbelt Trail 50 km	50,00	—
51	16/4/2011	33rd Sybil Ludington 50 km Run	50,00	—
52	6/3/2011	9th Caumsett Park 50K Lloyd Neck	50,00	—
53	8/5/2010	8th Long Island Greenbelt Trail 50 km	50,00	—
54	24/4/2010	32nd Sybil Ludington 50 km Run	50,00	—
55	28/3/2010	16th Queens 50 km Run	50,00	—
56	7/3/2010	8th Caumsett Park 50K Lloyd Neck	50,00	—
57	9/5/2009	7th Long Island Greenbelt Trail 50 km	50,00	—
58	1/3/2009	7th Caumsett Park 50K Lloyd Neck	50,00	—
59	10/5/2008	6th Long Island Greenbelt Trail 50 km	50,00	—
60	26/4/2008	30th Sybil Ludington 50 km Run	50,00	—
61	2/3/2008	6th Caumsett Park 50K Lloyd Neck	50,00	—
62	12/5/2007	5th Long Island Greenbelt Trail 50 km	50,00	—
63	21/4/2007	29th Sybil Ludington 50 km Run	50,00	—
64	4/3/2007	5th Caumsett Park 50K Lloyd Neck	50,00	—
65	20/5/2006	4th Long Island Greenbelt Trail 50 km	50,00	—
66	22/4/2006	28th Sybil Ludington 50 km Run	50,00	—
67	5/3/2006	4th Caumsett Park 50K Lloyd Neck	50,00	—
68	23/4/2005	27th Sybil Ludington 50 km Run	50,00	—
69	6/3/2005	3rd Caumsett Park 50K Lloyd Neck	50,00	—
70	15/5/2004	2nd Long Island Greenbelt Trail 50 km	50,00	—
71	24/4/2004	26th Sybil Ludington 50 km Run	50,00	—
72	7/3/2004	2nd Caumsett Park 50K Lloyd Neck	50,00	—
73	17/5/2003	1st Long Island Greenbelt Trail 50 km	50,00	—
74	2/3/2003	1st Caumsett Park 50K Lloyd Neck	50,00	—
75	18/5/2002	2nd Long Island Endurance 50K Run	50,00	—
76	20/4/2002	24th Sybil Ludington 50 km Run	50,00	—
77	29/4/2001	27th Lake Waramaug 50km Ultra Marathon	50,00	—
78	18/2/2001	9th Kurt Steiner 50K	50,00	—
79	2/9/2000	Brooklyn 50 km	50,00	—
80	13/8/2000	Bronx Trail 50 km	50,00	—
81	11/6/2000	Double Trouble 50 km Trail Run	50,00	—
82	22/4/2000	22nd Sybil Ludington 50 km Run	50,00	—
83	19/2/2000	8th Kurt Steiner 50K	50,00	—
84	3/10/1999	Memorial Run 50 km	50,00	—
85	5/9/1999	Brooklyn 50 km Run	50,00	—
86	24/4/1999	21st Sybil Ludington 50 km Run	50,00	—
87	28/11/1998	6th Kurt Steiner 50K	50,00	—
88	29/11/1997	5th Kurt Steiner 50K	50,00	—
89	5/10/1997	Bergen Ultra Blast	50,00	—
90	22/9/2007	7th Staten Island 6 hour Ultra race	49,40	—
91	23/9/2006	6th Staten Island 6 hour Ultra race	49,21	—
92	26/9/2010	1st BUS Half Ass Trail Mix-up 6h	47,40	—
93	2/4/2011	1st BUS 6-Hour Run	47,13	—
94	14/10/2007	8th 6 Hour 60th Birthday Run	46,65	—
95	16/10/2005	6th 6 Hour 60th Birthday Run	45,67	—
96	17/10/2010	11th 6 Hour 60th Birthday Run	45,56	—
97	17/10/2004	5th 6 Hour 60th Birthday Run	45,46	—
98	18/9/2004	4th Staten Island 6 hour Ultra race	45,43	—
99	20/10/2002	3rd 6 Hour 60th Birthday Run	45,17	—