Joji (西村丈治) Nishimura

Born : 1971 Cat. M55 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

South Korea

15,8%

Rank quotient ?This runner's calculation uses 71 eligible race(s): Σ(rank − 1) = 7 897; Σ finishers = 49 838. 7 897 / 49 838 × 100 = 15.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed72

Km — ultra races7 202 km

> 100 km8

> 160 km4

> 200 km3

> 24h1

Longest race276,0 km

Tachibana Bay Coast 273 Ultra Marathon — 2/11/2017

Km per year (ultra races)

100

2022

100

2023

470

2024

420

2025

200

2026

Race types (share of distance)

Road87,1%

Trail11,1%

Stage1,8%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 35

🏅 Top 3 M6

Longest winning streak0

Current streak0

Records

50 km10h42'26 100 km7h34'03 24 h179,34 km

HISTORY

71 race(s)

Date		Race	Perf.	Rk
2026
14.06	100km	20th Iwate Ginga 100km Marathon Challenge	12:28:45 h	362
17.05	100km	32th Yatsugatake Nobeyama 100 km	11:55:36 h	283
2025
19.10	70km	32. Ultramarathon Okumusashi	6:29:27 h	19
28.09	50km	3rd Mount Akagi Trail Running Race	10:42:26 h	17
14.09	100km	23th Tango 100 km Ultramarathon	11:27:28 h	225
08.06	100km	19th Iwate Ginga 100km Marathon Challenge	10:24:07 h	116
18.05	100km	31th Yatsugatake Nobeyama 100 km	11:27:44 h	193
2024
20.10	70km	31. Ultramarathon Okumusashi	6:53:33 h	50
29.09	100km	2nd Mount Akagi 100 Ultra Marathon	11:39:36 h	32
15.09	100km	22th Tango 100 km Ultramarathon	13:49:36 h	706
09.06	100km	18th Iwate Ginga 100km Marathon Challenge	9:52:07 h	74
19.05	100km	30th Yatsugatake Nobeyama 100 km	10:44:45 h	109
2023
24.09	100km	1st Mount Akagi 100 Ultra Marathon	12:59:04 h	42
2022
18.09	100km	20th Tango 100 km Ultramarathon	13:05:36 h	339
2021
07.08	120km	1st Tachibana Bay 273 Summer Challenge	17:14:31 h	4
2019
15.09	100km	19th Tango 100 km Ultramarathon	11:24:17 h	197
09.06	100km	8th Hida Takayama 100 km Ultramarathon	10:33:42 h	220
19.05	100km	25th Yatsugatake Nobeyama 100 km	11:36:32 h	286
20.04	250km	26. Sakura Michi Kokusai Nature Run	32:04:00 h	39
2018
23.09	100km	28. Akita Nairiku 100km Marathon	9:44:23 h	43
16.09	100km	18th Tango 100 km Ultramarathon	9:55:22 h	78
03.06	78km	25. Ultramarathon Okumusashi	8:12:20 h	179
20.05	100km	24th Yatsugatake Nobeyama 100 km	10:44:02 h	144
2017
02.11	276km	Tachibana Bay Coast 273 Ultra Marathon	39:49:52 h	2 🥈
11.06	100km	13th Iwate Ginga 100km Marathon Challenge	8:58:44 h	35
04.06	78km	24. Ultramarathon Okumusashi	7:24:48 h	113
21.05	100km	23rd Yatsugatake Nobeyama 100 km	11:17:06 h	162
2016
18.09	100km	16th Tango 100 km Ultramarathon	10:46:55 h	181
04.05	129km	10th Nagasaki Tachibana Gulf Coast Super Maranic 173	17:17:31 h	39
2015
18.10	100km	21st River Shimanto 100km	8:59:13 h	41
27.09	100km	25. Akita Nairiku 100km Marathon	9:17:00 h	39
22.06	77km	22. Ultramarathon Okumusashi	6:49:52 h	61
2014
27.07	77km	21. Ultramarathon Okumusashi	9:18:08 h	283
08.06	100km	3rd Hida Takayama 100 km Ultramarathon	12:49:58 h	550
2013
15.09	100km	13th Tango 100 km Ultramarathon	9:08:37 h	35
09.06	100km	2nd Hida Takayama 100 km Ultramarathon	10:42:39 h	111
19.05	100km	19th Yatsugatake Nobeyama 100 km	13:20:14 h	726
2012
23.09	100km	22. Akita Nairiku 100km Marathon	11:24:32 h	235
02.09	52km	62. Tsurunuma 52 km	6:30:06 h	84
05.08	77km	19. Ultramarathon Okumusashi	9:58:04 h	544
10.06	100km	8th Iwate Ginga 100km Marathon Challenge	10:42:22 h	142
20.05	100km	18th Yatsugatake Nobeyama 100 km	12:55:15 h	491
2011
25.09	100km	21. Akita Nairiku 100km Marathon	8:36:24 h	11
07.08	77km	18. Ultramarathon Okumusashi	6:29:39 h	30
12.06	100km	7th Iwate Ginga 100km Marathon Challenge	7:50:32 h	5
2010
26.09	100km	20. Akita Nairiku 100km Marathon	7:48:21 h	6
29.08	52km	58. Tsurunuma 52 km	4:42:42 h	9
01.08	77km	17. Ultramarathon Okumusashi	6:10:29 h	10
13.06	100km	6th Iwate Ginga 100km Marathon Challenge	8:16:38 h	9
16.05	100km	16th Yatsugatake Nobeyama 100 km	9:15:00 h	21
25.04	112km	20th Fuji 5 Lakes 112 km Challenge	9:35:39 h	8
10.04	70km	5th Toda Saiko 70 km	5:13:57 h	4
04.04	100km	57. Tsurunuma 100 km	8:21:14 h	3 🥉
2009
27.09	100km	19. Akita Nairiku 100km Marathon	8:23:46 h	13
30.08	52km	56. Tsurunuma 52 km	4:02:58 h	8
02.08	75km	16. Ultramarathon Okumusashi	6:37:45 h	41
14.06	100km	5th Iwate Ginga 100km Marathon Challenge	8:59:31 h	23
17.05	100km	15th Yatsugatake Nobeyama 100 km	9:50:34 h	32
11.04	70km	4th Toda Saiko 70 km	5:38:42 h	3 🥉
05.04	100km	55. Tsurunuma 100 km	8:35:07 h	2 🥈
2008
04.10	24h	11. Hiratsuka 24 hour race	179.340 km	6
28.09	100km	18. Akita Nairiku 100km Marathon	8:03:26 h	10
08.06	100km	4th Iwate Ginga 100km Marathon Challenge	7:49:14 h	2 🥈
06.04	100km	53. Tsurunuma 100 km	8:50:34 h	5
2007
22.09	100km	17. Akita Nairiku 100km Marathon	8:46:40 h	25
20.05	100km	3rd Iwate Ginga 100km Marathon Challenge	8:32:59 h	5
2006
19.11	100km	7th Seoul Ultra Marathon 100 km	7:34:03 h	4
21.05	100km	2nd Iwate Ginga 100km Marathon Challenge	8:25:49 h	6
2005
28.08	52km	48. Tsurunuma 52 km	4:03:00 h	6
2002
27.07	132km/2stages	Yashagaike Legend Maranic 132 km	13:22:08 h	10
2001
02.05	250km	13. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	42:46:28 h	20

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	2/11/2017	Tachibana Bay Coast 273 Ultra Marathon	276,00	×3
✓ 2	20/4/2019	26. Sakura Michi Kokusai Nature Run	250,00	×3
✓ 3	2/5/2001	13. Yamaguchi 100 Hagi-O-Kan Maranic 250 km	250,00	×3
✓ 4	4/10/2008	11. Hiratsuka 24 hour race	179,34	×2
✓ 5	27/7/2002	Yashagaike Legend Maranic 132 km	132,00	×1
✓ 6	4/5/2016	10th Nagasaki Tachibana Gulf Coast Super Maranic 173	129,00	×1
✓ 7	7/8/2021	1st Tachibana Bay 273 Summer Challenge	120,00	×1
✓ 8	25/4/2010	20th Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 9	14/6/2026	20th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 10	17/5/2026	32th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 11	14/9/2025	23th Tango 100 km Ultramarathon	100,00	×1
✓ 12	8/6/2025	19th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 13	18/5/2025	31th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 14	29/9/2024	2nd Mount Akagi 100 Ultra Marathon	100,00	×1
✓ 15	15/9/2024	22th Tango 100 km Ultramarathon	100,00	×1
✓ 16	9/6/2024	18th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 17	19/5/2024	30th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 18	24/9/2023	1st Mount Akagi 100 Ultra Marathon	100,00	×1
✓ 19	18/9/2022	20th Tango 100 km Ultramarathon	100,00	×1
✓ 20	15/9/2019	19th Tango 100 km Ultramarathon	100,00	×1
✓ 21	9/6/2019	8th Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 22	19/5/2019	25th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 23	23/9/2018	28. Akita Nairiku 100km Marathon	100,00	×1
✓ 24	16/9/2018	18th Tango 100 km Ultramarathon	100,00	×1
✓ 25	20/5/2018	24th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 26	11/6/2017	13th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 27	21/5/2017	23rd Yatsugatake Nobeyama 100 km	100,00	×1
✓ 28	18/9/2016	16th Tango 100 km Ultramarathon	100,00	×1
✓ 29	18/10/2015	21st River Shimanto 100km	100,00	×1
✓ 30	27/9/2015	25. Akita Nairiku 100km Marathon	100,00	×1
✓ 31	8/6/2014	3rd Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 32	15/9/2013	13th Tango 100 km Ultramarathon	100,00	×1
✓ 33	9/6/2013	2nd Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 34	19/5/2013	19th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 35	23/9/2012	22. Akita Nairiku 100km Marathon	100,00	×1
✓ 36	10/6/2012	8th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 37	20/5/2012	18th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 38	25/9/2011	21. Akita Nairiku 100km Marathon	100,00	×1
✓ 39	12/6/2011	7th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 40	26/9/2010	20. Akita Nairiku 100km Marathon	100,00	×1
✓ 41	13/6/2010	6th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 42	16/5/2010	16th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 43	4/4/2010	57. Tsurunuma 100 km	100,00	×1
✓ 44	27/9/2009	19. Akita Nairiku 100km Marathon	100,00	×1
✓ 45	14/6/2009	5th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 46	17/5/2009	15th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 47	5/4/2009	55. Tsurunuma 100 km	100,00	×1
✓ 48	28/9/2008	18. Akita Nairiku 100km Marathon	100,00	×1
✓ 49	8/6/2008	4th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 50	6/4/2008	53. Tsurunuma 100 km	100,00	×1
✓ 51	22/9/2007	17. Akita Nairiku 100km Marathon	100,00	×1
✓ 52	20/5/2007	3rd Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 53	19/11/2006	7th Seoul Ultra Marathon 100 km	100,00	×1
✓ 54	21/5/2006	2nd Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 55	3/6/2018	25. Ultramarathon Okumusashi	78,00	×1
✓ 56	4/6/2017	24. Ultramarathon Okumusashi	78,00	×1
✓ 57	22/6/2015	22. Ultramarathon Okumusashi	77,00	×1
✓ 58	27/7/2014	21. Ultramarathon Okumusashi	77,00	×1
✓ 59	5/8/2012	19. Ultramarathon Okumusashi	77,00	×1
✓ 60	7/8/2011	18. Ultramarathon Okumusashi	77,00	×1
✓ 61	1/8/2010	17. Ultramarathon Okumusashi	77,00	×1
✓ 62	2/8/2009	16. Ultramarathon Okumusashi	75,00	×1
✓ 63	19/10/2025	32. Ultramarathon Okumusashi	70,00	×1
✓ 64	20/10/2024	31. Ultramarathon Okumusashi	70,00	×1
✓ 65	10/4/2010	5th Toda Saiko 70 km	70,00	×1
✓ 66	11/4/2009	4th Toda Saiko 70 km	70,00	×1
67	2/9/2012	62. Tsurunuma 52 km	52,00	—
68	29/8/2010	58. Tsurunuma 52 km	52,00	—
69	30/8/2009	56. Tsurunuma 52 km	52,00	—
70	28/8/2005	48. Tsurunuma 52 km	52,00	—
71	28/9/2025	3rd Mount Akagi Trail Running Race	50,00	—