Allan Kaplan

Born : 1955 Cat. M70 Ultrarunner since 1990

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 ?

Finland

United States

55,8%

Rank quotient ?This runner's calculation uses 100 eligible race(s): Σ(rank − 1) = 7 043; Σ finishers = 12 612. 7 043 / 12 612 × 100 = 55.84%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed100

Km — ultra races9 460 km

> 100 km25

> 160 km24

> 200 km1

> 24h5

> 48h2

Longest race270,4 km

4th Gibson Ranch 72-hour Classic — 10/11/1993

Km per year (ultra races)

2022

2023

2024

100

2025

2026

Race types (share of distance)

Road19,9%

Trail80,1%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 34

🏅 Top 3 M4

Longest winning streak1

Current streak0

Records

50 km5h17'17 100 km10h36'58 50 mi8h33'43 100 mi20h28'04 24 h165,76 km 48 h99,78 km

HISTORY

101 race(s)

Date		Race	Perf.	Rk
2025
07.12	50km	17th Hunter S. Thompson Fear & Loathing 50 km	11:45:23 h	97
26.08	50km	15th Burning Man Ultramarathon	11:24:07 h	223
2024
27.08	50km	14th Burning Man Ultramarathon	10:05:20 h	212
2023
29.08	50km	13th Burning Man Ultramarathon	9:54:20 h	248
2022
30.08	50km	12th Burning Man Ultramarathon	17:43:30 h	221
2019
27.08	50km	10th Burning Man Ultramarathon	11:35:29 h	212
2018
28.08	50km	9th Burning Man Ultramarathon	8:59:29 h	202
2004
10.01	53km	25th Epiphany Ultras - The Popular But Wussy Metric	8:53:00 h	27
1999
23.10	52.4mi	13th Sierra Nevada Endurance 52 Mile Run	11:26:35 h	66
09.10	50mi	17th Dick Collins Firetrails 50 Mile	11:45:34 h	49
02.10	100mi	9th Arkansas Traveller 100	24:00:22 h	34
05.09	50mi	5th Run On The Sly 50 Mile	9:53:08 h	16
28.08	31.5mi	2nd Tamalpa Headlands 50K	6:19:40 h	72
07.08	50km	18th Skyline 50k Endurance Run	6:37:49 h	173
17.07	100mi	11th Vermont 100 Mile Endurance Race	23:19:15 h	32
12.06	50km	2nd Best Run By A Dam Site	5:20:38 h	11
29.05	100km	28. Suomi-juoksu 100 km, Turku	13:43:10 h	18
01.05	100km	4th Miwok 100k Trail race	13:14:20 h	76
10.04	50mi	20th American River 50 Mile Endurance Run	8:56:25 h	152
13.03	50km	10th Way Too Cool 50K Endurance Run	5:24:49 h	145
06.02	100mi	7th Rocky Raccoon 100 Mile Trail Run	22:08:14 h	19
09.01	48mi	Epiphany Ultras - The Real Deal	9:45:00 h	11
1998
28.11	28mi	14th Quad Dipsea Trail Run	6:32:34 h	120
24.10	52.4mi	12th Sierra Nevada Endurance 52 Mile Run	10:44:20 h	43
10.10	50mi	16th Dick Collins Firetrails 50 Mile	9:58:35 h	38
05.09	50km	7th Bulldog 50k Ultra Run	6:37:37 h	31
28.08	24h	1st Greg & Delmar's 24 Hour Adventure Run	160.934 km	3 🥉
01.08	50km	17th Skyline 50k Endurance Run	5:55:56 h	87
27.06	100mi	25th Western States 100 Mile Endurance Run	29:21:59 h	191
09.05	50mi	15th Quicksilver 50 Mile Endurance Run	10:45:45 h	40
02.05	100km	3rd Miwok 100k Trail race	13:31:17 h	65
19.04	100km	13th Ruth Anderson Ultra 100km	12:47:44 h	25
04.04	50mi	4th Umstead Endurance Run 50 Miles	9:57:00 h	15
08.02	100mi	6th Rocky Raccoon 100 Mile Trail Run	20:28:04 h	17
12.01	47mi	Epiphany Ultras - The Real Deal	10:46:00 h	12
1997
06.12	50mi	2nd Hunter S. Thompson Fear & Loathing 50 Miles	8:59:28 h	2 🥈
29.11	28mi	13th Quad Dipsea Trail Run	6:17:20 h	101
15.11	50mi	2nd Helen Klein Ultra Classic 50mi	8:33:43 h	43
25.10	52.4mi	11th Sierra Nevada Endurance 52 Mile Run	10:42:50 h	62
27.09	100mi	12th Angeles Crest 100 Mile	31:52:12 h	90
13.09	50mi	3rd Cameron Park 50 Mile	9:45:42 h	23
21.06	100mi	8th Mohican Trail 100 Mile	28:39:54 h	24
17.05	50mi	12th Silver State 50 Miles	12:20:52 h	57
03.05	100km	2nd Miwok 100k Trail race	12:27:44 h	33
19.04	50mi	12th Ruth Anderson Ultra 100km - 50mi Split	9:44:20 h	31
19.04	100km	12th Ruth Anderson Ultra 100km	12:22:06 h	29
05.04	50mi	18th American River 50 Mile Endurance Run	8:59:45 h	195
15.03	50km	8th Way Too Cool 50K Endurance Run	5:17:17 h	118
02.02	100mi	5th Rocky Raccoon 100 Mile Trail Run	23:19:55 h	21
06.01	46mi	Epiphany Ultras - The Real Deal	9:45:00 h	13
1996
14.12	50mi	1st Hunter S. Thompson Fear & Loathing 50 Miles	9:38:11 h	3 🥉
30.11	28mi	12th Quad Dipsea Trail Run	6:51:12 h	143
12.10	50mi	14th Dick Collins Firetrails 50 Mile	11:18:41 h	68
28.09	100mi	11th Angeles Crest 100 Mile	32:21:18 h	94
06.09	100mi	17th Wasatch Front 100 Mile	32:34:16 h	60
24.08	100mi	14th Leadville Trail 100 Mile	29:32:53 h	130
20.07	100mi	8th Vermont 100 Mile Endurance Race	23:24:14 h	72
29.06	100mi	23rd Western States 100 Mile Endurance Run	26:41:58 h	105
18.05	50mi	5th Lost Boys 50 Mile Trail Run	12:00:27 h	41
05.05	100km	1st Miwok 100k Trail race	13:04:06 h	32
27.04	50mi	California 50 Mile Endurance Run	10:26:08 h	38
06.04	50mi	17th American River 50 Mile Endurance Run	8:54:17 h	137
03.02	100mi	4th Rocky Raccoon 100 Mile Trail Run	24:28:07 h	20
1995
25.11	28mi	11th Quad Dipsea Trail Run	6:10:40 h	91
11.11	24h	Gibson Ranch 24-hour Classic	165.762 km	17
28.10	52.4mi	9th Sierra Nevada Endurance 52 Mile Run	11:59:06 h	57
14.10	50mi	13th Dick Collins Firetrails 50 Mile	10:32:32 h	42
30.09	100mi	10th Angeles Crest 100 Mile	30:33:27 h	63
09.09	50km	4th Bulldog 50k Ultra Run	5:31:29 h	26
03.09	50mi	1st Run On The Sly 50 Mile	8:44:58 h	17
02.09	50km	1st Point Reyes 50K	5:59:52 h	69
06.08	50km	14th Skyline 50k Endurance Run	5:38:35 h	70
03.06	100mi	17th Old Dominion 100 Mile Endurance Run	27:16:00 h	33
21.05	50km	8th Ohlone 50K Wilderness Run	6:22:44 h	18
13.05	50mi	12th Quicksilver 50 Mile Endurance Run	10:42:58 h	40
11.03	50km	6th Way Too Cool 50K Endurance Run	5:57:26 h	138
04.02	100mi	3rd Rocky Raccoon 100 Mile Trail Run	21:04:35 h	8
1994
04.06	100mi	16th Old Dominion 100 Mile Endurance Run	25:22:00 h	29
30.04	50mi	California 50 Mile Endurance Run	9:20:53 h	37
16.04	100km	9th Ruth Anderson Ultra 100km	11:54:01 h	19
02.04	50mi	15th American River 50 Mile Endurance Run	8:43:01 h	158
1993
10.11	72h	4th Gibson Ranch 72-hour Classic	270.369 km	1 🏆
10.09	100mi	14th Wasatch Front 100 Mile	35:13:49 h	71
01.08	50km	12th Skyline 50k Endurance Run	6:33:32 h	96
08.05	50km	10th Quicksilver 50 km Endurance Run	5:56:26 h	51
17.04	100km	8th Ruth Anderson Ultra 100km	10:36:58 h	8
03.04	50mi	14th American River 50 Mile Endurance Run	8:51:45 h	169
13.03	50km	4th Way Too Cool 50K Endurance Run	6:37:36 h	246
06.02	50mi	15th Jed Smith Ultra Classic - 50 Mile Race	9:42:38 h	29
30.01	50mi	7th Ledson Marsh 50 Mile	10:02:20 h	20
01.01	48h	3rd Gibson Ranch 48-hour Classic	99.779 km	20
1992
10.10	50mi	10th Dick Collins Firetrails 50 Mile	11:51:30 h	48
26.09	100mi	7th Angeles Crest 100 Mile	32:41:48 h	69
02.08	50km	11th Skyline 50k Endurance Run	7:32:06 h	92
27.06	100mi	19th Western States 100 Mile Endurance Run	28:52:41 h	174
18.04	100km	7th Ruth Anderson Ultra 100km	10:44:33 h	13
04.04	50mi	13th American River 50 Mile Endurance Run	9:04:59 h	173
08.02	100km	100km Jed Smith Ultra Classic	12:52:09 h	22
1991
28.12	24h	2nd Gibson Ranch 24-hour Classic	112.654 km	31
11.10	50mi	9th Dick Collins Firetrails 50 Mile	11:53:02 h	69
1990
04.08	50km	9th Skyline 50k Endurance Run	6:28:25 h	52

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	10/11/1993	4th Gibson Ranch 72-hour Classic	270,37	×3
✓ 2	11/11/1995	Gibson Ranch 24-hour Classic	165,76	×2
✓ 3	2/10/1999	9th Arkansas Traveller 100	160,93	×2
✓ 4	17/7/1999	11th Vermont 100 Mile Endurance Race	160,93	×2
✓ 5	6/2/1999	7th Rocky Raccoon 100 Mile Trail Run	160,93	×2
✓ 6	27/6/1998	25th Western States 100 Mile Endurance Run	160,93	×2
✓ 7	8/2/1998	6th Rocky Raccoon 100 Mile Trail Run	160,93	×2
✓ 8	27/9/1997	12th Angeles Crest 100 Mile	160,93	×2
✓ 9	21/6/1997	8th Mohican Trail 100 Mile	160,93	×2
✓ 10	2/2/1997	5th Rocky Raccoon 100 Mile Trail Run	160,93	×2
✓ 11	28/9/1996	11th Angeles Crest 100 Mile	160,93	×2
✓ 12	6/9/1996	17th Wasatch Front 100 Mile	160,93	×2
✓ 13	24/8/1996	14th Leadville Trail 100 Mile	160,93	×2
✓ 14	20/7/1996	8th Vermont 100 Mile Endurance Race	160,93	×2
✓ 15	29/6/1996	23rd Western States 100 Mile Endurance Run	160,93	×2
✓ 16	3/2/1996	4th Rocky Raccoon 100 Mile Trail Run	160,93	×2
✓ 17	30/9/1995	10th Angeles Crest 100 Mile	160,93	×2
✓ 18	3/6/1995	17th Old Dominion 100 Mile Endurance Run	160,93	×2
✓ 19	4/2/1995	3rd Rocky Raccoon 100 Mile Trail Run	160,93	×2
✓ 20	4/6/1994	16th Old Dominion 100 Mile Endurance Run	160,93	×2
✓ 21	10/9/1993	14th Wasatch Front 100 Mile	160,93	×2
✓ 22	26/9/1992	7th Angeles Crest 100 Mile	160,93	×2
✓ 23	27/6/1992	19th Western States 100 Mile Endurance Run	160,93	×2
✓ 24	28/8/1998	1st Greg & Delmar's 24 Hour Adventure Run	160,93	×2
✓ 25	28/12/1991	2nd Gibson Ranch 24-hour Classic	112,65	×1
✓ 26	29/5/1999	28. Suomi-juoksu 100 km, Turku	100,00	×1
✓ 27	1/5/1999	4th Miwok 100k Trail race	100,00	×1
✓ 28	2/5/1998	3rd Miwok 100k Trail race	100,00	×1
✓ 29	19/4/1998	13th Ruth Anderson Ultra 100km	100,00	×1
✓ 30	3/5/1997	2nd Miwok 100k Trail race	100,00	×1
✓ 31	19/4/1997	12th Ruth Anderson Ultra 100km	100,00	×1
✓ 32	5/5/1996	1st Miwok 100k Trail race	100,00	×1
✓ 33	16/4/1994	9th Ruth Anderson Ultra 100km	100,00	×1
✓ 34	17/4/1993	8th Ruth Anderson Ultra 100km	100,00	×1
✓ 35	18/4/1992	7th Ruth Anderson Ultra 100km	100,00	×1
✓ 36	8/2/1992	100km Jed Smith Ultra Classic	100,00	×1
✓ 37	1/1/1993	3rd Gibson Ranch 48-hour Classic	99,78	×1
✓ 38	23/10/1999	13th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 39	24/10/1998	12th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 40	25/10/1997	11th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 41	28/10/1995	9th Sierra Nevada Endurance 52 Mile Run	84,33	×1
✓ 42	9/10/1999	17th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 43	5/9/1999	5th Run On The Sly 50 Mile	80,47	×1
✓ 44	10/4/1999	20th American River 50 Mile Endurance Run	80,47	×1
✓ 45	10/10/1998	16th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 46	9/5/1998	15th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 47	4/4/1998	4th Umstead Endurance Run 50 Miles	80,47	×1
✓ 48	6/12/1997	2nd Hunter S. Thompson Fear & Loathing 50 Miles	80,47	×1
✓ 49	15/11/1997	2nd Helen Klein Ultra Classic 50mi	80,47	×1
✓ 50	13/9/1997	3rd Cameron Park 50 Mile	80,47	×1
✓ 51	17/5/1997	12th Silver State 50 Miles	80,47	×1
✓ 52	5/4/1997	18th American River 50 Mile Endurance Run	80,47	×1
✓ 53	14/12/1996	1st Hunter S. Thompson Fear & Loathing 50 Miles	80,47	×1
✓ 54	12/10/1996	14th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 55	18/5/1996	5th Lost Boys 50 Mile Trail Run	80,47	×1
✓ 56	27/4/1996	California 50 Mile Endurance Run	80,47	×1
✓ 57	6/4/1996	17th American River 50 Mile Endurance Run	80,47	×1
✓ 58	14/10/1995	13th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 59	3/9/1995	1st Run On The Sly 50 Mile	80,47	×1
✓ 60	13/5/1995	12th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 61	30/4/1994	California 50 Mile Endurance Run	80,47	×1
✓ 62	2/4/1994	15th American River 50 Mile Endurance Run	80,47	×1
✓ 63	3/4/1993	14th American River 50 Mile Endurance Run	80,47	×1
✓ 64	6/2/1993	15th Jed Smith Ultra Classic - 50 Mile Race	80,47	×1
✓ 65	30/1/1993	7th Ledson Marsh 50 Mile	80,47	×1
✓ 66	10/10/1992	10th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 67	4/4/1992	13th American River 50 Mile Endurance Run	80,47	×1
✓ 68	11/10/1991	9th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 69	9/1/1999	Epiphany Ultras - The Real Deal	77,25	—
✓ 70	12/1/1998	Epiphany Ultras - The Real Deal	75,64	—
✓ 71	6/1/1997	Epiphany Ultras - The Real Deal	74,03	—
72	10/1/2004	25th Epiphany Ultras - The Popular But Wussy Metric	53,00	—
73	28/8/1999	2nd Tamalpa Headlands 50K	50,69	—
74	7/12/2025	17th Hunter S. Thompson Fear & Loathing 50 km	50,00	—
75	26/8/2025	15th Burning Man Ultramarathon	50,00	—
76	27/8/2024	14th Burning Man Ultramarathon	50,00	—
77	29/8/2023	13th Burning Man Ultramarathon	50,00	—
78	30/8/2022	12th Burning Man Ultramarathon	50,00	—
79	27/8/2019	10th Burning Man Ultramarathon	50,00	—
80	28/8/2018	9th Burning Man Ultramarathon	50,00	—
81	7/8/1999	18th Skyline 50k Endurance Run	50,00	—
82	12/6/1999	2nd Best Run By A Dam Site	50,00	—
83	13/3/1999	10th Way Too Cool 50K Endurance Run	50,00	—
84	5/9/1998	7th Bulldog 50k Ultra Run	50,00	—
85	1/8/1998	17th Skyline 50k Endurance Run	50,00	—
86	15/3/1997	8th Way Too Cool 50K Endurance Run	50,00	—
87	9/9/1995	4th Bulldog 50k Ultra Run	50,00	—
88	2/9/1995	1st Point Reyes 50K	50,00	—
89	6/8/1995	14th Skyline 50k Endurance Run	50,00	—
90	21/5/1995	8th Ohlone 50K Wilderness Run	50,00	—
91	11/3/1995	6th Way Too Cool 50K Endurance Run	50,00	—
92	1/8/1993	12th Skyline 50k Endurance Run	50,00	—
93	8/5/1993	10th Quicksilver 50 km Endurance Run	50,00	—
94	13/3/1993	4th Way Too Cool 50K Endurance Run	50,00	—
95	2/8/1992	11th Skyline 50k Endurance Run	50,00	—
96	4/8/1990	9th Skyline 50k Endurance Run	50,00	—
97	28/11/1998	14th Quad Dipsea Trail Run	45,06	—
98	29/11/1997	13th Quad Dipsea Trail Run	45,06	—
99	30/11/1996	12th Quad Dipsea Trail Run	45,06	—
100	25/11/1995	11th Quad Dipsea Trail Run	45,06	—