Yasutaka (蔵本康孝) Kuramoto

Born : 1968 Cat. M55 Ultrarunner since 2002

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

0,8%

Rank quotient ?This runner's calculation uses 109 eligible race(s): Σ(rank − 1) = 354; Σ finishers = 43 749. 354 / 43 749 × 100 = 0.81%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed110

Km — ultra races10 808 km

> 100 km13

Longest race140,0 km

29. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2017

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road87,3%

Trail11,5%

Stage1,2%

Wins & podiums (ultra)

🏆 Win37

🏆 Win M37

🏅 Top 370

🏅 Top 3 M70

Longest winning streak3

Current streak1

Records

100 km7h07'25

HISTORY

109 race(s)

Date		Race	Perf.	Rk
2017
02.12	120km	2nd Santo Ultra Maranic - Hanshin Course	12:22:00 h	1 🏆
03.11	105km	Tachibana Bay Coast 105 Ultra Marathon	9:44:34 h	2 🥈
21.10	100km	8th Inagawa 100km Ultra-Marathon	9:17:46 h	1 🏆
15.10	100km	6th Noto Peninsula 100 km Ultra Marathon	9:07:15 h	8
01.10	100km	1st Yasaka Ultra Marathon in Hamada - 100 km	9:16:54 h	1 🏆
24.09	100km	20th Muraoka 100 km Ultra Marathon	9:07:15 h	3 🥉
02.09	115km	1st Miyagi Yumeguri Ultra Marathon - 115 km	9:25:26 h	3 🥉
18.06	100km	12. Okinoshima 100km Ultra Marathon	9:18:36 h	15
28.05	100km	24th Ebisu-Daikoku 100 km Marathon	8:46:59 h	7
13.05	97.2km	1st Tsuwano Street Hayato Conference	8:19:34 h	1 🏆
03.05	140km	29. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	14:46:37 h	1 🏆
23.04	100km	19. Okukumano 100 km Ultramarathon	8:13:49 h	3 🥉
15.04	102km	3rd Okuizumo Ultra Orochi 100km Tooashi	8:14:08 h	1 🏆
26.03	100km	13th Izu Oshima Ultra 100 km	9:19:50 h	6
05.03	100km	3rd Nagoura Marathon 100 km	8:37:49 h	2 🥈
15.01	100km	27th Miyako 100 km Ultramarathon	10:27:51 h	57
08.01	100km	2nd Yakushima Ultramarathon	10:07:00 h	3 🥉
2016
04.11	103km	Tachibana Bay Coast 100 Ultra Marathon	9:20:41 h	1 🏆
04.09	100km	33. Tsuruoka 100km Marathon	10:19:13 h	4
27.08	60km	19th Mt. Tateyama Climbathon	6:55:00 h	4
21.08	97km	4th World Cultural Heritage "Fuji" Foot Race	9:27:00 h	1 🏆
19.06	100km	11. Okinoshima 100km Ultra Marathon	8:12:32 h	4
29.05	100km	23rd Ebisu-Daikoku 100 km Marathon	7:52:41 h	1 🏆
24.04	100km	18. Okukumano 100 km Ultramarathon	8:18:30 h	4
16.04	102km	2nd Okuizumo Ultra Orochi 100km Tooashi	8:34:15 h	1 🏆
27.03	100km	12th Izu Oshima Ultra 100 km	8:05:44 h	3 🥉
06.03	100km	2nd Nagoura Marathon 100 km	8:22:40 h	1 🏆
17.01	100km	26th Miyako 100 km Ultramarathon	8:31:05 h	4
2015
21.11	103km	Tachibana Bay Coast 100 Ultra Marathon	9:31:48 h	1 🏆
27.09	100km	18th Muraoka 100 km Ultra Marathon	8:41:42 h	4
20.09	100km	15th Tango 100 km Ultramarathon	8:34:47 h	24
26.07	100km	5th North Okhotsk 100 km Marathon	8:20:59 h	6
21.06	100km	10. Okinoshima 100km Ultra Marathon	7:41:05 h	4
06.06	100km	25th Aso Caldera Super Marathon 100 km	7:59:11 h	9
31.05	100km	22nd Ebisu-Daikoku 100 km Marathon	7:33:14 h	1 🏆
17.05	100km	21st Yatsugatake Nobeyama 100 km	8:39:36 h	7
03.05	140km	27. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	14:26:49 h	1 🏆
26.04	100km	17. Okukumano 100 km Ultramarathon	7:44:10 h	1 🏆
19.04	100km	25th Fuji 5 Lakes 100 km Challenge	8:13:34 h	6
11.04	102km	1st Okuizumo Ultra Orochi 100km Tooashi	8:17:34 h	1 🏆
28.03	100km	11th Izu Oshima Ultra 100 km	7:42:01 h	1 🏆
15.03	100km	1st Nagoura Marathon 100 km	8:08:02 h	1 🏆
2014
22.11	103km	Tachibana Bay Coast 100 Ultra Marathon	10:27:47 h	2 🥈
12.10	100km	10th Echigo Kubikino 100km Ultramarathon	7:33:21 h	4
05.10	102km	3rd Noto Peninsula 100 km Ultra Marathon	7:55:31 h	1 🏆
14.09	100km	14th Tango 100 km Ultramarathon	7:57:38 h	8
27.07	100km	4th North Okhotsk 100 km Marathon	8:02:36 h	4
15.06	100km	9. Okinoshima 100km Ultra Marathon	8:11:15 h	4
07.06	100km	24th Aso Caldera Super Marathon 100 km	8:03:33 h	7
25.05	100km	21st Ebisu-Daikoku 100 km Marathon	7:49:39 h	1 🏆
2013
26.05	100km	20th Ebisu-Daikoku 100 km Marathon	8:09:20 h	4
2011
16.10	100km	17th River Shimanto 100km	7:47:52 h	7
18.09	100km	11th Tango 100 km Ultramarathon	8:03:52 h	3 🥉
03.09	100km	6th Bandai Highlands Inawashiro Lake - 100 km	7:30:50 h	2 🥈
21.08	100km	1st North Okhotsk 100 km Marathon	8:02:47 h	3 🥉
16.01	100km	21st Miyako 100 km Ultramarathon	7:33:19 h	1 🏆
2010
17.10	100km	16th River Shimanto 100km	7:27:49 h	5
09.10	100km	8th Echigo Kubikino 100km Ultramarathon	7:24:54 h	2 🥈
26.09	100km	13th Muraoka 100 km Ultra Marathon	8:03:28 h	2 🥈
19.09	100km	10th Tango 100 km Ultramarathon	7:45:09 h	3 🥉
20.06	100km	5. Okinoshima 100km Ultra Marathon	8:01:32 h	1 🏆
30.05	100km	17th Ebisu-Daikoku 100 km Marathon	7:12:03 h	2 🥈
16.05	100km	16th Yatsugatake Nobeyama 100 km	8:31:01 h	4
25.04	100km	20th Fuji 5 Lakes 100 km Challenge	7:57:47 h	3 🥉
17.01	100km	20th Miyako 100 km Ultramarathon	7:35:46 h	3 🥉
2009
11.01	100km	19th Miyako 100 km Ultramarathon	7:45:14 h	2 🥈
2008
11.10	100km	7th Echigo Kubikino 100km Ultramarathon	7:49:48 h	4
28.09	100km	11th Muraoka 100 km Ultra Marathon	8:47:17 h	3 🥉
03.08	75km	15. Ultramarathon Okumusashi	5:41:44 h	2 🥈
20.07	100km	1st OSJ Ontake 100km Ultra Trail	9:48:08 h	8
22.06	100km	8th Nichinan Orochi 100 km Marathon	7:46:22 h	3 🥉
25.05	100km	15th Ebisu-Daikoku 100 km Marathon	7:17:15 h	1 🏆
18.05	100km	14th Yatsugatake Nobeyama 100 km	8:05:23 h	1 🏆
27.04	100km	10. Okukumano 100 km Ultramarathon	7:32:35 h	1 🏆
13.01	100km	18th Miyako 100 km Ultramarathon	7:34:01 h	2 🥈
2007
14.10	100km	13th River Shimanto 100km	7:38:52 h	5
29.09	100km	10th Muraoka 100 km Ultra Marathon	8:03:00 h	1 🏆
16.09	100km	7th Tango 100 km Ultramarathon	7:53:05 h	1 🏆
05.08	75km	14. Ultramarathon Okumusashi	6:01:37 h	12
20.05	100km	13th Yatsugatake Nobeyama 100 km	8:14:31 h	2 🥈
29.04	100km	9. Okukumano 100 km Ultramarathon	7:22:57 h	1 🏆
2006
30.09	100km	9th Muraoka 100 km Ultra Marathon	8:15:08 h	1 🏆
17.09	100km	6th Tango 100 km Ultramarathon	7:44:05 h	5
13.08	75km	13. Ultramarathon Okumusashi	5:42:26 h	3 🥉
25.06	100km	6th Nichinan Orochi 100 km Marathon	7:33:45 h	2 🥈
21.05	100km	12th Yatsugatake Nobeyama 100 km	8:01:21 h	1 🏆
30.04	100km	8. Okukumano 100 km Ultramarathon	7:30:22 h	1 🏆
15.01	100km	16th Miyako 100 km Ultramarathon	7:21:57 h	2 🥈
2005
16.10	100km	11th River Shimanto 100km	7:38:20 h	6
25.09	100km	8th Muraoka 100 km Ultra Marathon	7:40:49 h	1 🏆
18.09	100km	5th Tango 100 km Ultramarathon	7:50:30 h	2 🥈
07.08	75km	12. Ultramarathon Okumusashi	5:54:29 h	3 🥉
16.01	100km	15th Miyako 100 km Ultramarathon	7:07:25 h	2 🥈
2004
17.10	100km	10th River Shimanto 100km	7:25:07 h	3 🥉
16.10	100km	5th Echigo Kubikino 100km Ultramarathon	7:23:55 h	1 🏆
24.09	100km	7th Muraoka 100 km Ultra Marathon	8:08:58 h	1 🏆
19.09	100km	4th Tango 100 km Ultramarathon	7:43:55 h	2 🥈
27.06	100km	19. Lake Saroma 100 km Ultramarathon	7:37:59 h	13
20.06	100km	4th Nichinan Orochi 100 km Marathon	7:27:12 h	1 🏆
16.05	71km	10th Yatsugatake Nobeyama 71 km	5:29:27 h	4
02.05	100km	6. Okukumano 100 km Ultramarathon	7:32:07 h	1 🏆
2003
25.10	71.5km	11th Hasetsune Cup - Japan Mountain Endurance Race	10:22:59 h	30
19.10	100km	9th River Shimanto 100km	7:38:55 h	6
23.09	100km	6th Muraoka 100 km Ultra Marathon	8:30:02 h	1 🏆
29.06	100km	18. Lake Saroma 100 km Ultramarathon	7:47:32 h	15
11.05	71km	9th Yatsugatake Nobeyama 71 km	5:38:06 h	2 🥈
27.04	100km	5. Okukumano 100 km Ultramarathon	8:07:25 h	2 🥈
2002
27.07	132km/2stages	Yashagaike Legend Maranic 132 km	13:54:14 h	13
12.05	71km	8th Yatsugatake Nobeyama 71 km	5:51:08 h	4

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	3/5/2017	29. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×1
✓ 2	3/5/2015	27. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×1
✓ 3	27/7/2002	Yashagaike Legend Maranic 132 km	132,00	×1
✓ 4	2/12/2017	2nd Santo Ultra Maranic - Hanshin Course	120,00	×1
✓ 5	2/9/2017	1st Miyagi Yumeguri Ultra Marathon - 115 km	115,00	×1
✓ 6	3/11/2017	Tachibana Bay Coast 105 Ultra Marathon	105,00	×1
✓ 7	4/11/2016	Tachibana Bay Coast 100 Ultra Marathon	103,00	×1
✓ 8	21/11/2015	Tachibana Bay Coast 100 Ultra Marathon	103,00	×1
✓ 9	22/11/2014	Tachibana Bay Coast 100 Ultra Marathon	103,00	×1
✓ 10	15/4/2017	3rd Okuizumo Ultra Orochi 100km Tooashi	102,00	×1
✓ 11	16/4/2016	2nd Okuizumo Ultra Orochi 100km Tooashi	102,00	×1
✓ 12	11/4/2015	1st Okuizumo Ultra Orochi 100km Tooashi	102,00	×1
✓ 13	5/10/2014	3rd Noto Peninsula 100 km Ultra Marathon	102,00	×1
✓ 14	21/10/2017	8th Inagawa 100km Ultra-Marathon	100,00	×1
✓ 15	15/10/2017	6th Noto Peninsula 100 km Ultra Marathon	100,00	×1
✓ 16	1/10/2017	1st Yasaka Ultra Marathon in Hamada - 100 km	100,00	×1
✓ 17	24/9/2017	20th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 18	18/6/2017	12. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 19	28/5/2017	24th Ebisu-Daikoku 100 km Marathon	100,00	×1
✓ 20	23/4/2017	19. Okukumano 100 km Ultramarathon	100,00	×1
✓ 21	26/3/2017	13th Izu Oshima Ultra 100 km	100,00	×1
✓ 22	5/3/2017	3rd Nagoura Marathon 100 km	100,00	×1
✓ 23	15/1/2017	27th Miyako 100 km Ultramarathon	100,00	×1
✓ 24	8/1/2017	2nd Yakushima Ultramarathon	100,00	×1
✓ 25	4/9/2016	33. Tsuruoka 100km Marathon	100,00	×1
✓ 26	19/6/2016	11. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 27	29/5/2016	23rd Ebisu-Daikoku 100 km Marathon	100,00	×1
✓ 28	24/4/2016	18. Okukumano 100 km Ultramarathon	100,00	×1
✓ 29	27/3/2016	12th Izu Oshima Ultra 100 km	100,00	×1
✓ 30	6/3/2016	2nd Nagoura Marathon 100 km	100,00	×1
✓ 31	17/1/2016	26th Miyako 100 km Ultramarathon	100,00	×1
✓ 32	27/9/2015	18th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 33	20/9/2015	15th Tango 100 km Ultramarathon	100,00	×1
✓ 34	26/7/2015	5th North Okhotsk 100 km Marathon	100,00	×1
✓ 35	21/6/2015	10. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 36	6/6/2015	25th Aso Caldera Super Marathon 100 km	100,00	×1
✓ 37	31/5/2015	22nd Ebisu-Daikoku 100 km Marathon	100,00	×1
✓ 38	17/5/2015	21st Yatsugatake Nobeyama 100 km	100,00	×1
✓ 39	26/4/2015	17. Okukumano 100 km Ultramarathon	100,00	×1
✓ 40	19/4/2015	25th Fuji 5 Lakes 100 km Challenge	100,00	×1
✓ 41	28/3/2015	11th Izu Oshima Ultra 100 km	100,00	×1
✓ 42	15/3/2015	1st Nagoura Marathon 100 km	100,00	×1
✓ 43	12/10/2014	10th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 44	14/9/2014	14th Tango 100 km Ultramarathon	100,00	×1
✓ 45	27/7/2014	4th North Okhotsk 100 km Marathon	100,00	×1
✓ 46	15/6/2014	9. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 47	7/6/2014	24th Aso Caldera Super Marathon 100 km	100,00	×1
✓ 48	25/5/2014	21st Ebisu-Daikoku 100 km Marathon	100,00	×1
✓ 49	26/5/2013	20th Ebisu-Daikoku 100 km Marathon	100,00	×1
✓ 50	16/10/2011	17th River Shimanto 100km	100,00	×1
✓ 51	18/9/2011	11th Tango 100 km Ultramarathon	100,00	×1
✓ 52	3/9/2011	6th Bandai Highlands Inawashiro Lake - 100 km	100,00	×1
✓ 53	21/8/2011	1st North Okhotsk 100 km Marathon	100,00	×1
✓ 54	16/1/2011	21st Miyako 100 km Ultramarathon	100,00	×1
✓ 55	17/10/2010	16th River Shimanto 100km	100,00	×1
✓ 56	9/10/2010	8th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 57	26/9/2010	13th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 58	19/9/2010	10th Tango 100 km Ultramarathon	100,00	×1
✓ 59	20/6/2010	5. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 60	30/5/2010	17th Ebisu-Daikoku 100 km Marathon	100,00	×1
✓ 61	16/5/2010	16th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 62	25/4/2010	20th Fuji 5 Lakes 100 km Challenge	100,00	×1
✓ 63	17/1/2010	20th Miyako 100 km Ultramarathon	100,00	×1
✓ 64	11/1/2009	19th Miyako 100 km Ultramarathon	100,00	×1
✓ 65	11/10/2008	7th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 66	28/9/2008	11th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 67	20/7/2008	1st OSJ Ontake 100km Ultra Trail	100,00	×1
✓ 68	22/6/2008	8th Nichinan Orochi 100 km Marathon	100,00	×1
✓ 69	25/5/2008	15th Ebisu-Daikoku 100 km Marathon	100,00	×1
✓ 70	18/5/2008	14th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 71	27/4/2008	10. Okukumano 100 km Ultramarathon	100,00	×1
✓ 72	13/1/2008	18th Miyako 100 km Ultramarathon	100,00	×1
✓ 73	14/10/2007	13th River Shimanto 100km	100,00	×1
✓ 74	29/9/2007	10th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 75	16/9/2007	7th Tango 100 km Ultramarathon	100,00	×1
✓ 76	20/5/2007	13th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 77	29/4/2007	9. Okukumano 100 km Ultramarathon	100,00	×1
✓ 78	30/9/2006	9th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 79	17/9/2006	6th Tango 100 km Ultramarathon	100,00	×1
✓ 80	25/6/2006	6th Nichinan Orochi 100 km Marathon	100,00	×1
✓ 81	21/5/2006	12th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 82	30/4/2006	8. Okukumano 100 km Ultramarathon	100,00	×1
✓ 83	15/1/2006	16th Miyako 100 km Ultramarathon	100,00	×1
✓ 84	16/10/2005	11th River Shimanto 100km	100,00	×1
✓ 85	25/9/2005	8th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 86	18/9/2005	5th Tango 100 km Ultramarathon	100,00	×1
✓ 87	16/1/2005	15th Miyako 100 km Ultramarathon	100,00	×1
✓ 88	17/10/2004	10th River Shimanto 100km	100,00	×1
✓ 89	16/10/2004	5th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 90	24/9/2004	7th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 91	19/9/2004	4th Tango 100 km Ultramarathon	100,00	×1
✓ 92	27/6/2004	19. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 93	20/6/2004	4th Nichinan Orochi 100 km Marathon	100,00	×1
✓ 94	2/5/2004	6. Okukumano 100 km Ultramarathon	100,00	×1
✓ 95	19/10/2003	9th River Shimanto 100km	100,00	×1
✓ 96	23/9/2003	6th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 97	29/6/2003	18. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 98	27/4/2003	5. Okukumano 100 km Ultramarathon	100,00	×1
99	13/5/2017	1st Tsuwano Street Hayato Conference	97,20	—
100	21/8/2016	4th World Cultural Heritage "Fuji" Foot Race	97,00	—
101	3/8/2008	15. Ultramarathon Okumusashi	75,00	—
102	5/8/2007	14. Ultramarathon Okumusashi	75,00	—
103	13/8/2006	13. Ultramarathon Okumusashi	75,00	—
104	7/8/2005	12. Ultramarathon Okumusashi	75,00	—
105	25/10/2003	11th Hasetsune Cup - Japan Mountain Endurance Race	71,50	—
106	16/5/2004	10th Yatsugatake Nobeyama 71 km	71,00	—
107	11/5/2003	9th Yatsugatake Nobeyama 71 km	71,00	—
108	12/5/2002	8th Yatsugatake Nobeyama 71 km	71,00	—
109	27/8/2016	19th Mt. Tateyama Climbathon	60,00	—