Hirokazu (浅野弘万) Asano

Born : 1961 Cat. M65 Ultrarunner since 2001

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 ?

Japan

59,7%

Rank quotient ?This runner's calculation uses 81 eligible race(s): Σ(rank − 1) = 19 759; Σ finishers = 33 075. 19 759 / 33 075 × 100 = 59.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed81

Km — ultra races8 263 km

> 100 km12

> 160 km9

> 200 km9

Longest race250,0 km

27. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2015

Km per year (ultra races)

287

2022

511

2023

300

2024

537

2025

275

2026

Race types (share of distance)

Road95,0%

Trail5,0%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 31

🏅 Top 3 M1

Longest winning streak1

Current streak0

Records

50 km7h27'33 100 km10h18'37

HISTORY

81 race(s)

Date		Race	Perf.	Rk
2026
09.05	55km	6th Kimitsu Ultra Marathon	8:09:10 h	348
26.04	70km	2nd Suo-Oshima Ultramarathon	10:39:17 h	134
01.02	50km	5th Amami yori yori Run - Huaraches	7:47:54 h	8
11.01	100km	9th Yakushima Ultramarathon 100 km	15:55:32 h	142
2025
14.12	100km	6th Tobishima Ultra Marathon	15:41:13 h	347
19.10	70km	32. Ultramarathon Okumusashi	10:35:53 h	473
15.06	100km	18. Okinoshima 100km Ultra Marathon	14:26:06 h	275
10.05	55km	5th Kimitsu Ultra Marathon	7:27:01 h	240
12.04	62km	7th Okuizumo Ultra Orochi 60km Tooashi	9:55:19 h	151
02.02	50km	4th Amami yori yori Run - Huaraches	7:27:33 h	1 🏆
12.01	100km	8th Yakushima Ultramarathon 100 km	15:22:01 h	84
2024
20.10	70km	31. Ultramarathon Okumusashi	10:17:15 h	572
11.05	55km	4th Kimitsu Ultra Marathon	8:00:40 h	195
16.03	75km	8th Minamiboso 75km	11:37:21 h	101
14.01	100km	7th Yakushima Ultramarathon 100 km	15:51:39 h	89
2023
11.11	78km	10th Michikusa-Ultra, Minamiizu 78 km	13:34:53 h	282
18.06	100km	16. Okinoshima 100km Ultra Marathon	14:26:19 h	258
04.06	78km	30. Ultramarathon Okumusashi	11:36:41 h	760
13.05	55km	3rd Kimitsu Ultra Marathon	7:49:24 h	131
05.02	100km	2nd Amami yori yori Run	15:25:31 h	48
08.01	100km	6th Yakushima Ultramarathon 100 km	14:47:29 h	83
2022
09.10	100km	14th Echigo Kubikino 100km Ultramarathon	13:25:15 h	681
05.06	78km	29. Ultramarathon Okumusashi	10:07:20 h	575
07.05	57km	2nd Kimitsu Ultra Marathon	7:29:54 h	143
09.04	52km	5th Lake Biwa Kaizu Sakura Maranic - 52 km	7:17:00 h	17
2021
14.11	47.2km	2nd Miyagi Yumeguri Ultra Run	7:10:00 h	62
31.10	55km	2nd Yamadera Zao 50 km Ultra Marathon	6:57:41 h	32
17.07	117km	1st Nakasendo Ultra	28:57:00 h	45
08.05	57km	1st Kimitsu Ultra Marathon	8:33:05 h	254
11.04	52km	4th Lake Biwa Kaizu Sakura Maranic - 52 km	6:47:00 h	11
2020
12.01	100km	5th Yakushima Ultramarathon 100 km	14:44:19 h	136
2019
08.12	100km	2nd Tobishima Ultra Marathon	15:18:09 h	293
19.10	51.4km	10th Inagawa 100km Ultra-Marathon	5:46:51 h	113
02.06	78km	26. Ultramarathon Okumusashi	10:32:38 h	1079
13.01	100km	4th Yakushima Ultramarathon	15:12:44 h	137
2017
08.01	100km	2nd Yakushima Ultramarathon	15:46:00 h	117
2016
19.06	100km	11. Okinoshima 100km Ultra Marathon	14:14:44 h	382
05.06	78km	23. Ultramarathon Okumusashi	11:16:45 h	1273
27.03	100km	12th Izu Oshima Ultra 100 km	13:42:04 h	212
09.01	100km	1st Yakushima Ultramarathon	15:38:29 h	33
2015
17.10	100km	6th Inagawa 100km Ultra-Marathon	15:08:20 h	168
22.06	77km	22. Ultramarathon Okumusashi	10:24:58 h	998
21.06	100km	10. Okinoshima 100km Ultra Marathon	13:04:23 h	282
02.05	250km	27. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	47:35:09 h	202
28.03	100km	11th Izu Oshima Ultra 100 km	13:19:07 h	141
2014
12.10	100km	10th Echigo Kubikino 100km Ultramarathon	13:10:01 h	1032
28.09	100km	24. Akita Nairiku 100km Marathon	12:43:47 h	505
02.05	250km	26. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	46:45:06 h	215
29.03	100km	10th Izu Oshima Ultra 100 km	12:54:06 h	87
01.03	203km	4th Little Edo Oedo 200k	31:49:35 h	63
2013
22.09	100km	23. Akita Nairiku 100km Marathon	12:40:45 h	504
02.05	250km	25. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	44:49:24 h	114
2012
06.10	100km	9th Echigo Kubikino 100km Ultramarathon	11:32:12 h	320
30.09	100km	15th Muraoka 100 km Ultra Marathon	12:47:14 h	132
23.09	100km	22. Akita Nairiku 100km Marathon	12:35:38 h	509
10.06	100km	1st Hida Takayama 100 km Ultramarathon	12:48:52 h	344
02.05	250km	24. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	43:42:30 h	71
22.04	112km	22nd Fuji 5 Lakes 112 km Challenge	13:09:24 h	203
03.03	203km	2nd Little Edo Oedo 200k	28:59:35 h	23
2011
25.09	100km	21. Akita Nairiku 100km Marathon	11:41:28 h	221
07.08	77km	18. Ultramarathon Okumusashi	10:51:18 h	875
02.05	250km	23. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	43:41:33 h	71
09.04	70km	6th Toda Saiko 70 km	6:56:26 h	60
05.03	203km	1st Little Edo Oedo 200k	33:32:09 h	27
2010
26.09	100km	20. Akita Nairiku 100km Marathon	10:55:11 h	162
01.08	77km	17. Ultramarathon Okumusashi	10:36:44 h	616
27.06	100km	10th Nichinan Orochi 100 km Marathon	11:37:45 h	136
02.05	250km	22. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	43:21:57 h	53
10.04	70km	5th Toda Saiko 70 km	7:36:31 h	84
2009
27.09	100km	19. Akita Nairiku 100km Marathon	10:38:20 h	128
02.08	75km	16. Ultramarathon Okumusashi	7:57:37 h	218
28.06	100km	9th Nichinan Orochi 100 km Marathon	11:19:32 h	68
03.05	140km	21. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	20:42:06 h	80
11.04	70km	4th Toda Saiko 70 km	6:52:04 h	26
2008
28.09	100km	18. Akita Nairiku 100km Marathon	11:46:13 h	321
12.04	70km	3rd Toda Saiko 70 km	6:19:18 h	19
2007
22.09	100km	17. Akita Nairiku 100km Marathon	10:26:09 h	152
07.04	70km	2nd Toda Saiko 70 km	6:15:09 h	16
2006
30.09	100km	9th Muraoka 100 km Ultra Marathon	11:30:39 h	33
2002
12.05	100km	8th Yatsugatake Nobeyama 100 km	11:37:37 h	118
2001
21.10	100km	8th River Shimanto 100km	10:18:37 h	126

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	2/5/2015	27. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	250,00	×3
✓ 2	2/5/2014	26. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	250,00	×3
✓ 3	2/5/2013	25. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	250,00	×3
✓ 4	2/5/2012	24. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	250,00	×3
✓ 5	2/5/2011	23. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	250,00	×3
✓ 6	2/5/2010	22. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	250,00	×3
✓ 7	1/3/2014	4th Little Edo Oedo 200k	203,00	×2
✓ 8	3/3/2012	2nd Little Edo Oedo 200k	203,00	×2
✓ 9	5/3/2011	1st Little Edo Oedo 200k	203,00	×2
✓ 10	3/5/2009	21. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×1
✓ 11	17/7/2021	1st Nakasendo Ultra	117,00	×1
✓ 12	22/4/2012	22nd Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 13	11/1/2026	9th Yakushima Ultramarathon 100 km	100,00	×1
✓ 14	14/12/2025	6th Tobishima Ultra Marathon	100,00	×1
✓ 15	15/6/2025	18. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 16	12/1/2025	8th Yakushima Ultramarathon 100 km	100,00	×1
✓ 17	14/1/2024	7th Yakushima Ultramarathon 100 km	100,00	×1
✓ 18	18/6/2023	16. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 19	5/2/2023	2nd Amami yori yori Run	100,00	×1
✓ 20	8/1/2023	6th Yakushima Ultramarathon 100 km	100,00	×1
✓ 21	9/10/2022	14th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 22	12/1/2020	5th Yakushima Ultramarathon 100 km	100,00	×1
✓ 23	8/12/2019	2nd Tobishima Ultra Marathon	100,00	×1
✓ 24	13/1/2019	4th Yakushima Ultramarathon	100,00	×1
✓ 25	8/1/2017	2nd Yakushima Ultramarathon	100,00	×1
✓ 26	19/6/2016	11. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 27	27/3/2016	12th Izu Oshima Ultra 100 km	100,00	×1
✓ 28	9/1/2016	1st Yakushima Ultramarathon	100,00	×1
✓ 29	17/10/2015	6th Inagawa 100km Ultra-Marathon	100,00	×1
✓ 30	21/6/2015	10. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 31	28/3/2015	11th Izu Oshima Ultra 100 km	100,00	×1
✓ 32	12/10/2014	10th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 33	28/9/2014	24. Akita Nairiku 100km Marathon	100,00	×1
✓ 34	29/3/2014	10th Izu Oshima Ultra 100 km	100,00	×1
✓ 35	22/9/2013	23. Akita Nairiku 100km Marathon	100,00	×1
✓ 36	6/10/2012	9th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 37	30/9/2012	15th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 38	23/9/2012	22. Akita Nairiku 100km Marathon	100,00	×1
✓ 39	10/6/2012	1st Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 40	25/9/2011	21. Akita Nairiku 100km Marathon	100,00	×1
✓ 41	26/9/2010	20. Akita Nairiku 100km Marathon	100,00	×1
✓ 42	27/6/2010	10th Nichinan Orochi 100 km Marathon	100,00	×1
✓ 43	27/9/2009	19. Akita Nairiku 100km Marathon	100,00	×1
✓ 44	28/6/2009	9th Nichinan Orochi 100 km Marathon	100,00	×1
✓ 45	28/9/2008	18. Akita Nairiku 100km Marathon	100,00	×1
✓ 46	22/9/2007	17. Akita Nairiku 100km Marathon	100,00	×1
✓ 47	30/9/2006	9th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 48	12/5/2002	8th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 49	21/10/2001	8th River Shimanto 100km	100,00	×1
✓ 50	11/11/2023	10th Michikusa-Ultra, Minamiizu 78 km	78,00	×1
✓ 51	4/6/2023	30. Ultramarathon Okumusashi	78,00	×1
✓ 52	5/6/2022	29. Ultramarathon Okumusashi	78,00	×1
✓ 53	2/6/2019	26. Ultramarathon Okumusashi	78,00	×1
✓ 54	5/6/2016	23. Ultramarathon Okumusashi	78,00	×1
✓ 55	22/6/2015	22. Ultramarathon Okumusashi	77,00	×1
✓ 56	7/8/2011	18. Ultramarathon Okumusashi	77,00	×1
✓ 57	1/8/2010	17. Ultramarathon Okumusashi	77,00	×1
✓ 58	16/3/2024	8th Minamiboso 75km	75,00	×1
✓ 59	2/8/2009	16. Ultramarathon Okumusashi	75,00	×1
✓ 60	26/4/2026	2nd Suo-Oshima Ultramarathon	70,00	—
✓ 61	19/10/2025	32. Ultramarathon Okumusashi	70,00	—
✓ 62	20/10/2024	31. Ultramarathon Okumusashi	70,00	—
✓ 63	9/4/2011	6th Toda Saiko 70 km	70,00	—
✓ 64	10/4/2010	5th Toda Saiko 70 km	70,00	—
✓ 65	11/4/2009	4th Toda Saiko 70 km	70,00	—
✓ 66	12/4/2008	3rd Toda Saiko 70 km	70,00	—
✓ 67	7/4/2007	2nd Toda Saiko 70 km	70,00	—
68	12/4/2025	7th Okuizumo Ultra Orochi 60km Tooashi	62,00	—
69	7/5/2022	2nd Kimitsu Ultra Marathon	57,00	—
70	8/5/2021	1st Kimitsu Ultra Marathon	57,00	—
71	9/5/2026	6th Kimitsu Ultra Marathon	55,00	—
72	10/5/2025	5th Kimitsu Ultra Marathon	55,00	—
73	11/5/2024	4th Kimitsu Ultra Marathon	55,00	—
74	13/5/2023	3rd Kimitsu Ultra Marathon	55,00	—
75	31/10/2021	2nd Yamadera Zao 50 km Ultra Marathon	55,00	—
76	9/4/2022	5th Lake Biwa Kaizu Sakura Maranic - 52 km	52,00	—
77	11/4/2021	4th Lake Biwa Kaizu Sakura Maranic - 52 km	52,00	—
78	19/10/2019	10th Inagawa 100km Ultra-Marathon	51,40	—
79	1/2/2026	5th Amami yori yori Run - Huaraches	50,00	—
80	2/2/2025	4th Amami yori yori Run - Huaraches	50,00	—
81	14/11/2021	2nd Miyagi Yumeguri Ultra Run	47,20	—