Allan Holtz

ID 19571

Born : 1950 Cat. M75 Ultrarunner since 1996

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

68,9%

Rank quotient ?This runner's calculation uses 113 eligible race(s): Σ(rank − 1) = 9 288; Σ finishers = 13 478. 9 288 / 13 478 × 100 = 68.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed113

Km — ultra races13 205 km

> 100 km57

> 160 km49

> 200 km1

> 24h13

Longest race241,4 km

8th McNaughton 150 Mile Ultra Race — 11/4/2008

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road19,6%

Trail80,4%

Records

50 km5h47'47 100 km11h21'25 50 mi9h08'09 100 mi23h56'06 24 h169,50 km

HISTORY

113 race(s)

Date		Race	Perf.	Rk
2024
15.06	32mi	32nd Bighorn Mountain Wild & Scenic 50km Trail Run	11:31:52 h	241
2023
21.10	50km	15th Wild Duluth 50 km Races	12:23:20 h	275
2019
19.10	50km	11th Wild Duluth 50 km Races	10:01:23 h	172
07.09	50mi	29th Superior Fall Trail Races 50 Mile	16:36:50 h	129
16.08	100mi	15th Lean Horse Ultra-Marathon 100 Mile	27:45:31 h	33
2018
10.11	50mi	5th Tunnel Hill 50 Mile Race	12:17:43 h	257
20.10	50km	10th Wild Duluth 50 km Races	9:33:30 h	174
28.07	50mi	37th Minnesota Voyageur Trail 50 Mile Ultra	13:29:55 h	301
2017
11.11	100mi	4th Tunnel Hill 100 Mile Race	27:29:47 h	134
06.10	100mi	9th Grindstone 100 Mile	36:36:51 h	168
18.08	100mi	13th Lean Horse Ultra-Marathon 100 Mile	26:34:56 h	25
2016
30.07	50mi	35th Minnesota Voyageur Trail 50 Mile Ultra	14:05:40 h	268
2015
24.10	50km	8th Surf the Murph 50 km Run	8:10:59 h	89
11.09	100mi	25th Superior Fall Trail Races 100 Mile	38:15:38 h	159
22.08	100mi	11th Lean Horse Ultra-Marathon 100 Mile	27:12:10 h	19
25.07	50mi	34th Minnesota Voyageur Trail 50 Mile Ultra	13:45:52 h	202
19.06	100mi	23th Bighorn Mountain Wild & Scenic 100 Mile Trail Run	33:30:00 h	182
06.06	100mi	20th Kettle Moraine 100 Mile Endurance Run	29:37:07 h	137
16.05	100mi	21st Massanutten Mountain Trails 100 Mile	35:05:49 h	106
25.04	50km	8th Chippewa Moraine 50km Ultra Marathon	6:31:40 h	80
10.04	100mi	7th Zumbro 100 Mile	31:18:26 h	30
2014
18.10	100km	6th Wild Duluth 100 km Races	18:18:43 h	35
20.09	50km	1st The Barkley Fall Classic	12:41:06 h	140
23.08	100mi	10th Lean Horse Ultra-Marathon 100 Mile	25:23:22 h	16
26.07	50mi	33rd Minnesota Voyageur Trail 50 Mile Ultra	13:56:59 h	197
2013
19.10	100km	5th Wild Duluth 100 km Races	19:43:57 h	44
27.07	50mi	32nd Minnesota Voyageur Trail 50 Mile Ultra	14:28:22 h	157
14.06	100mi	22nd Bighorn Mountain Wild & Scenic 100 Mile Trail Run	33:06:36 h	107
27.04	50km	6th Chippewa Moraine 50km Ultra Marathon	8:08:08 h	156
2012
20.10	100km	4th Wild Duluth 100 km Races	19:09:51 h	30
07.07	50km	19th Afton Trail Run 50K	7:12:04 h	164
23.06	100km	2nd Black Hills 100 km Run	18:43:12 h	16
13.04	100mi	4th Zumbro 100 Mile	30:07:02 h	13
2011
23.09	100mi	13th The Bear 100 Mile Endurance Run	33:52:45 h	142
30.07	50mi	30th Minnesota Voyageur Trail 50 Mile Ultra	12:38:11 h	100
17.06	100mi	20th Bighorn Mountain Wild & Scenic 100 Mile Trail Run	32:04:09 h	70
14.05	100mi	17th Massanutten Mountain Trails 100 Mile	33:36:47 h	102
23.04	50km	4th Chippewa Moraine 50km Ultra Marathon	6:32:09 h	82
05.02	100mi	19th Rocky Raccoon 100 Mile Trail Runs	28:59:26 h	166
2010
28.08	100mi	23rd Angeles Crest 100 Mile	31:01:59 h	46
24.07	50mi	29th Minnesota Voyageur Trail 50 Mile Ultra	12:06:28 h	89
05.06	24h	21st FANS 24 Hour Runs	154.979 km	16
15.05	100mi	16th Massanutten Mountain Trails 100 Mile	34:29:02 h	101
01.05	24h	29th Cornbelt Running Club 24 Hour Run	132.223 km	7
2009
12.09	100mi	30th Wasatch Front 100 Mile	34:11:41 h	119
22.08	100mi	27th Leadville Trail 100 Mile	29:41:30 h	254
25.07	50mi	28th Minnesota Voyageur Trail 50 Mile Ultra	11:58:25 h	96
18.07	100mi	21st Vermont 100 Mile Endurance Race	26:34:55 h	112
06.06	100mi	31st Old Dominion 100 Mile Endurance Run	27:30:38 h	22
16.05	100mi	15th Massanutten Mountain Trails 100 Mile	33:12:37 h	68
25.04	50km	2nd Chippewa Moraine 50km Ultra Marathon	5:52:57 h	56
2008
08.11	100mi	2nd Mother Road 100 Mile	24:56:38 h	50
04.10	100mi	18th Arkansas Traveller 100	25:45:44 h	30
26.09	100mi	10th The Bear 100 Mile Endurance Run	31:26:32 h	32
06.09	100mi	29th Wasatch Front 100 Mile	33:08:15 h	104
16.08	100mi	26th Leadville Trail 100 Mile	29:39:11 h	166
26.07	50mi	27th Minnesota Voyageur Trail 50 Mile Ultra	11:39:04 h	71
19.07	100mi	20th Vermont 100 Mile Endurance Race	26:22:52 h	90
17.05	100mi	14th Massanutten Mountain Trails 100 Mile	33:53:20 h	74
03.05	24h	27th Cornbelt Running Club 24 Hour Run	113.812 km	12
11.04	150mi	8th McNaughton 150 Mile Ultra Race	2d 00:55:11 h	8
19.01	100km	8th HURT 100 Endurance Run 100 km	23:57:00 h	23
2007
14.10	50mi	21st Glacial Trail 50 Mile Race	11:29:40 h	27
18.08	100mi	25th Leadville Trail 100 Mile	29:25:43 h	189
28.07	50mi	26th Minnesota Voyageur Trail 50 Mile Ultra	11:31:28 h	41
15.06	100mi	16th Bighorn Mountain Wild & Scenic 100mi Trail Run	33:05:40 h	69
19.05	100mi	13th Massanutten Mountain Trails 100 Mile	32:09:02 h	49
05.05	24h	26th Cornbelt Running Club 24 Hour Run	145.517 km	11
2006
08.09	100mi	16th Superior Fall Trail Races 100 Mile	34:49:40 h	12
26.08	100mi	8th Cascade Crest Classic 100 Mile	30:49:00 h	34
29.07	50mi	25th Minnesota Voyageur Trail 50 Mile Ultra	11:00:16 h	44
03.06	24h	17th FANS 24 Hour Runs	166.872 km	15
13.05	100mi	12th Massanutten Mountain Trails 100 Mile	31:50:55 h	72
15.04	50mi	6th McNaughton 50 Mile Ultra Race	11:57:17 h	20
2005
22.10	50mi	11th The Breakers Marathon - Nifty Fifty Miles	9:08:09 h	13
10.09	50mi	15th Superior Fall Trail Races 50 Mile	13:33:34 h	25
27.08	100mi	1st Lean Horse Ultra-Marathon 100 Mile	23:56:06 h	22
30.07	50mi	24th Minnesota Voyageur Trail 50 Mile Ultra	11:48:07 h	57
25.06	100mi	32th Western States 100 Mile Endurance Run	29:42:00 h	307
30.04	24h	24th Cornbelt Running Club 24 Hour Run	113.812 km	24
16.04	100mi	5th McNaughton 100 Mile Ultra Race	26:15:45 h	11
19.03	50mi	9th Kentucky Ultra Trail Sojourn 50 Miles	11:17:32 h	8
2004
20.11	50mi	42nd JFK 50 Mile	10:13:04 h	354
16.10	100km	18th Edmund Fitzgerald 100K Road Race	11:21:25 h	14
11.09	100mi	14th Superior Fall Trail Races 100 Mile	32:55:36 h	12
28.08	100km	Elkhorn Mountain Endurance Run 100 km	15:03:15 h	21
24.07	50mi	23rd Minnesota Voyageur Trail 50 Mile Ultra	10:55:50 h	39
05.06	24h	15th FANS 24 Hour Runs	169.496 km	7
15.05	50km	6th Capon Valley 50K Run	5:54:11 h	106
08.05	50mi	23th Ice Age Trail 50 Mile Run	10:08:50 h	112
01.05	24h	23rd Cornbelt Running Club 24 Hour Run	164.732 km	6
03.04	100mi	4th McNaughton 100 Mile Ultra Race	29:42:35 h	5
2003
18.10	100km	17th Edmund Fitzgerald 100K Road Race	11:37:34 h	20
26.07	50mi	22nd Minnesota Voyageur Trail 50 Mile Ultra	12:54:41 h	40
28.06	100mi	30th Western States 100 Mile Endurance Run	29:00:33 h	223
07.06	100km	8th Kettle Moraine 100 km Endurance Run	13:15:55 h	15
17.05	50km	1st Superior Spring 50 km Trail Race	6:29:31 h	43
10.05	50mi	22th Ice Age Trail 50 Mile Run	10:32:24 h	160
03.05	24h	22nd Cornbelt Running Club 24 Hour Run	162.592 km	7
12.04	50mi	3rd McNaughton 50 Mile Ultra Race	10:23:19 h	13
15.03	50mi	7th Kentucky Ultra Trail Sojourn 50 Miles	10:29:21 h	21
2002
07.12	50mi	13th Sunmart Texas Trails 50 Mile	9:35:20 h	91
27.07	50mi	21st Minnesota Voyageur Trail 50 Mile Ultra	11:59:12 h	71
11.05	50mi	21th Ice Age Trail 50 Mile Run	9:58:17 h	110
04.05	24h	21st Cornbelt Running Club 24 Hour Run	133.768 km	14
2001
23.06	24h	12th FANS 24 Hour Runs	165.408 km	5
05.05	24h	20th Cornbelt Running Club 24 Hour Run	133.141 km	13
21.04	50km	12th Trail Mix Race	6:36:19 h	69
2000
08.07	50km	7th Afton Trail Run 50K	7:08:57 h	40
24.06	24h	11th FANS 24 Hour Runs	152.066 km	17
1999
03.07	50km	6th Afton Trail Run 50K	5:53:45 h	42
1997
05.07	50km	4th Afton Trail Run 50K	5:47:47 h	48
1996
06.07	50km	3rd Afton Trail Run 50K	6:45:15 h	49

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/4/2008	8th McNaughton 150 Mile Ultra Race	241,40	×3
✓ 2	5/6/2004	15th FANS 24 Hour Runs	169,50	×2
✓ 3	3/6/2006	17th FANS 24 Hour Runs	166,87	×2
✓ 4	23/6/2001	12th FANS 24 Hour Runs	165,41	×2
✓ 5	1/5/2004	23rd Cornbelt Running Club 24 Hour Run	164,73	×2
✓ 6	3/5/2003	22nd Cornbelt Running Club 24 Hour Run	162,59	×2
✓ 7	16/8/2019	15th Lean Horse Ultra-Marathon 100 Mile	160,93	×2
✓ 8	11/11/2017	4th Tunnel Hill 100 Mile Race	160,93	×2
✓ 9	6/10/2017	9th Grindstone 100 Mile	160,93	×2
✓ 10	18/8/2017	13th Lean Horse Ultra-Marathon 100 Mile	160,93	×2
✓ 11	11/9/2015	25th Superior Fall Trail Races 100 Mile	160,93	×2
✓ 12	22/8/2015	11th Lean Horse Ultra-Marathon 100 Mile	160,93	×2
✓ 13	19/6/2015	23th Bighorn Mountain Wild & Scenic 100 Mile Trail Run	160,93	×2
✓ 14	6/6/2015	20th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 15	16/5/2015	21st Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 16	10/4/2015	7th Zumbro 100 Mile	160,93	×2
✓ 17	23/8/2014	10th Lean Horse Ultra-Marathon 100 Mile	160,93	×2
✓ 18	14/6/2013	22nd Bighorn Mountain Wild & Scenic 100 Mile Trail Run	160,93	×2
✓ 19	13/4/2012	4th Zumbro 100 Mile	160,93	×2
✓ 20	23/9/2011	13th The Bear 100 Mile Endurance Run	160,93	×2
✓ 21	17/6/2011	20th Bighorn Mountain Wild & Scenic 100 Mile Trail Run	160,93	×2
✓ 22	14/5/2011	17th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 23	5/2/2011	19th Rocky Raccoon 100 Mile Trail Runs	160,93	×2
✓ 24	28/8/2010	23rd Angeles Crest 100 Mile	160,93	×2
✓ 25	15/5/2010	16th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 26	12/9/2009	30th Wasatch Front 100 Mile	160,93	×2
✓ 27	22/8/2009	27th Leadville Trail 100 Mile	160,93	×2
✓ 28	18/7/2009	21st Vermont 100 Mile Endurance Race	160,93	×2
✓ 29	6/6/2009	31st Old Dominion 100 Mile Endurance Run	160,93	×2
✓ 30	16/5/2009	15th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 31	8/11/2008	2nd Mother Road 100 Mile	160,93	×2
✓ 32	4/10/2008	18th Arkansas Traveller 100	160,93	×2
✓ 33	26/9/2008	10th The Bear 100 Mile Endurance Run	160,93	×2
✓ 34	6/9/2008	29th Wasatch Front 100 Mile	160,93	×2
✓ 35	16/8/2008	26th Leadville Trail 100 Mile	160,93	×2
✓ 36	19/7/2008	20th Vermont 100 Mile Endurance Race	160,93	×2
✓ 37	17/5/2008	14th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 38	18/8/2007	25th Leadville Trail 100 Mile	160,93	×2
✓ 39	15/6/2007	16th Bighorn Mountain Wild & Scenic 100mi Trail Run	160,93	×2
✓ 40	19/5/2007	13th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 41	8/9/2006	16th Superior Fall Trail Races 100 Mile	160,93	×2
✓ 42	26/8/2006	8th Cascade Crest Classic 100 Mile	160,93	×2
✓ 43	13/5/2006	12th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 44	27/8/2005	1st Lean Horse Ultra-Marathon 100 Mile	160,93	×2
✓ 45	25/6/2005	32th Western States 100 Mile Endurance Run	160,93	×2
✓ 46	16/4/2005	5th McNaughton 100 Mile Ultra Race	160,93	×2
✓ 47	11/9/2004	14th Superior Fall Trail Races 100 Mile	160,93	×2
✓ 48	3/4/2004	4th McNaughton 100 Mile Ultra Race	160,93	×2
✓ 49	28/6/2003	30th Western States 100 Mile Endurance Run	160,93	×2
✓ 50	5/6/2010	21st FANS 24 Hour Runs	154,98	×1
✓ 51	24/6/2000	11th FANS 24 Hour Runs	152,07	×1
✓ 52	5/5/2007	26th Cornbelt Running Club 24 Hour Run	145,52	×1
✓ 53	4/5/2002	21st Cornbelt Running Club 24 Hour Run	133,77	×1
✓ 54	5/5/2001	20th Cornbelt Running Club 24 Hour Run	133,14	×1
✓ 55	1/5/2010	29th Cornbelt Running Club 24 Hour Run	132,22	×1
✓ 56	3/5/2008	27th Cornbelt Running Club 24 Hour Run	113,81	×1
✓ 57	30/4/2005	24th Cornbelt Running Club 24 Hour Run	113,81	×1
✓ 58	18/10/2014	6th Wild Duluth 100 km Races	100,00	×1
✓ 59	19/10/2013	5th Wild Duluth 100 km Races	100,00	×1
✓ 60	20/10/2012	4th Wild Duluth 100 km Races	100,00	×1
✓ 61	23/6/2012	2nd Black Hills 100 km Run	100,00	×1
✓ 62	19/1/2008	8th HURT 100 Endurance Run 100 km	100,00	×1
✓ 63	16/10/2004	18th Edmund Fitzgerald 100K Road Race	100,00	×1
✓ 64	28/8/2004	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 65	18/10/2003	17th Edmund Fitzgerald 100K Road Race	100,00	×1
✓ 66	7/6/2003	8th Kettle Moraine 100 km Endurance Run	100,00	×1
✓ 67	7/9/2019	29th Superior Fall Trail Races 50 Mile	80,47	×1
✓ 68	10/11/2018	5th Tunnel Hill 50 Mile Race	80,47	×1
✓ 69	28/7/2018	37th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 70	30/7/2016	35th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 71	25/7/2015	34th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 72	26/7/2014	33rd Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 73	27/7/2013	32nd Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 74	30/7/2011	30th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 75	24/7/2010	29th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 76	25/7/2009	28th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 77	26/7/2008	27th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 78	14/10/2007	21st Glacial Trail 50 Mile Race	80,47	×1
✓ 79	28/7/2007	26th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 80	29/7/2006	25th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
81	15/4/2006	6th McNaughton 50 Mile Ultra Race	80,47	×1
82	22/10/2005	11th The Breakers Marathon - Nifty Fifty Miles	80,47	×1
83	10/9/2005	15th Superior Fall Trail Races 50 Mile	80,47	×1
84	30/7/2005	24th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
85	19/3/2005	9th Kentucky Ultra Trail Sojourn 50 Miles	80,47	×1
86	20/11/2004	42nd JFK 50 Mile	80,47	×1
87	24/7/2004	23rd Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
88	8/5/2004	23th Ice Age Trail 50 Mile Run	80,47	×1
89	26/7/2003	22nd Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
90	10/5/2003	22th Ice Age Trail 50 Mile Run	80,47	×1
91	12/4/2003	3rd McNaughton 50 Mile Ultra Race	80,47	×1
92	15/3/2003	7th Kentucky Ultra Trail Sojourn 50 Miles	80,47	×1
93	7/12/2002	13th Sunmart Texas Trails 50 Mile	80,47	×1
94	27/7/2002	21st Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
95	11/5/2002	21th Ice Age Trail 50 Mile Run	80,47	×1
96	15/6/2024	32nd Bighorn Mountain Wild & Scenic 50km Trail Run	51,50	—
97	21/10/2023	15th Wild Duluth 50 km Races	50,00	—
98	19/10/2019	11th Wild Duluth 50 km Races	50,00	—
99	20/10/2018	10th Wild Duluth 50 km Races	50,00	—
100	24/10/2015	8th Surf the Murph 50 km Run	50,00	—
101	25/4/2015	8th Chippewa Moraine 50km Ultra Marathon	50,00	—
102	20/9/2014	1st The Barkley Fall Classic	50,00	—
103	27/4/2013	6th Chippewa Moraine 50km Ultra Marathon	50,00	—
104	7/7/2012	19th Afton Trail Run 50K	50,00	—
105	23/4/2011	4th Chippewa Moraine 50km Ultra Marathon	50,00	—
106	25/4/2009	2nd Chippewa Moraine 50km Ultra Marathon	50,00	—
107	15/5/2004	6th Capon Valley 50K Run	50,00	—
108	17/5/2003	1st Superior Spring 50 km Trail Race	50,00	—
109	21/4/2001	12th Trail Mix Race	50,00	—
110	8/7/2000	7th Afton Trail Run 50K	50,00	—
111	3/7/1999	6th Afton Trail Run 50K	50,00	—
112	5/7/1997	4th Afton Trail Run 50K	50,00	—
113	6/7/1996	3rd Afton Trail Run 50K	50,00	—