Zyun (植村潤) Uemura

Born : 1949 Cat. M75 Ultrarunner since 1998

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

84,1%

Rank quotient ?This runner's calculation uses 69 eligible race(s): Σ(rank − 1) = 29 666; Σ finishers = 35 289. 29 666 / 35 289 × 100 = 84.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed73

Km — ultra races6 133 km

> 100 km17

Longest race140,0 km

23. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2011

Km per year (ultra races)

160

2022

280

2023

2024

110

2025

2026

Race types (share of distance)

Road90,2%

Trail1,2%

Stage8,6%

Records

50 km5h53'06 100 km12h28'19

HISTORY

69 race(s)

Date		Race	Perf.	Rk
2026
14.06	50km	20th Iwate Ginga 50km Marathon Challenge	8:08:30 h	176
2025
19.10	60km	31th River Shimanto 60km	9:41:25 h	369
08.06	50km	19th Iwate Ginga 50km Marathon Challenge	7:31:52 h	139
2023
24.09	50km	31. Akita Nairiku 50km Marathon	6:56:19 h	245
16.07	65km	3rd Yamaguchi Hagi Return	14:31:09 h	185
25.06	50km	38. Lake Saroma 50 km Ultramarathon	7:46:35 h	328
11.06	50km	17th Iwate Ginga 50km Marathon Challenge	7:15:24 h	130
23.04	65km	23. Okukumano 65 km Ultramarathon	10:39:29 h	84
2022
09.10	60km	14th Echigo Kubikino 60km Ultramarathon	8:54:20 h	354
25.09	50km	30. Akita Nairiku 50km Marathon	6:59:22 h	156
12.06	50km	16th Iwate Ginga 50km Marathon Challenge	7:09:07 h	144
2021
18.07	65km	1st Yamaguchi Hagi Return	13:23:42 h	386
2020
19.01	50km	30th Miyako 50 km Ultramarathon	6:51:18 h	141
2019
20.10	60km	8th Noto Peninsula 60 km Ultra Marathon	8:52:32 h	135
22.09	50km	29. Akita Nairiku 50km Marathon	6:42:10 h	202
09.06	71km	8th Hida Takayama 71 km Ultramarathon	10:32:43 h	730
20.01	50km	29th Miyako 50 km Ultramarathon	6:47:26 h	83
2018
21.10	60km	24th River Shimanto 60km	8:36:40 h	350
23.09	50km	28. Akita Nairiku 50km Marathon	6:55:15 h	201
10.06	71km	7th Hida Takayama 71 km Ultramarathon	10:47:40 h	733
22.04	65km	20. Okukumano 65 km Ultramarathon	10:02:50 h	107
2017
15.10	60km	6th Noto Peninsula 60 km Ultra Marathon	8:46:51 h	120
23.04	65km	19. Okukumano 65 km Ultramarathon	9:56:02 h	94
2016
16.10	60km	5th Noto Peninsula 60 km Ultra Marathon	8:51:17 h	77
09.10	60km	11th Echigo Kubikino 60km Ultramarathon	8:08:17 h	309
18.09	60km	16th Tango 60 km Ultramarathon	8:41:31 h	666
04.05	70km	28. Yamaguchi 100 Hagi-O-Kan Maranic 70 km	11:51:48 h	374
2015
20.09	60km	15th Tango 60 km Ultramarathon	8:44:25 h	720
07.06	72km	4th Hida Takayama 72 km Ultramarathon	10:24:17 h	544
11.01	100km	25th Miyako 100 km Ultramarathon	13:49:36 h	482
2014
22.11	60km	1st Kiso-Sansen 60 km Ultra-Marathon	7:47:01 h	1277
14.09	60km	14th Tango 60 km Ultramarathon	8:36:39 h	571
08.06	72km	3rd Hida Takayama 72 km Ultramarathon	10:44:54 h	563
12.01	100km	24th Miyako 100 km Ultramarathon	13:43:30 h	360
2013
09.06	72km	2nd Hida Takayama 72 km Ultramarathon	10:42:42 h	356
2012
06.10	100km	9th Echigo Kubikino 100km Ultramarathon	13:26:11 h	1090
24.06	100km road race	27. Lake Saroma 100 km Ultramarathon	12:50:43 h	2160
10.06	100km	8th Iwate Ginga 100km Marathon Challenge	13:42:40 h	713
2011
16.10	100km	17th River Shimanto 100km	13:29:31 h	810
26.06	100km road race	26. Lake Saroma 100 km Ultramarathon	12:41:24 h	1740
12.06	100km	7th Iwate Ginga 100km Marathon Challenge	13:45:09 h	527
03.05	140km	23. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:30:19 h	184
2010
09.10	100km	8th Echigo Kubikino 100km Ultramarathon	13:18:57 h	840
13.06	100km	6th Iwate Ginga 100km Marathon Challenge	13:44:18 h	360
2009
18.10	100km	15th River Shimanto 100km	13:51:02 h	1067
14.06	100km	5th Iwate Ginga 100km Marathon Challenge	13:52:41 h	404
03.05	140km	21. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:55:21 h	282
2008
11.10	100km	7th Echigo Kubikino 100km Ultramarathon	13:24:19 h	696
08.06	50km	4th Iwate Ginga 50km Marathon Challenge	5:53:06 h	50
03.05	140km	20. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:38:09 h	158
2007
24.06	100km	22. Lake Saroma 100 km Ultramarathon	12:56:48 h	1851
03.05	140km	19. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:27:23 h	161
2006
09.10	100km	6th Echigo Kubikino 100km Ultramarathon	13:20:27 h	646
25.06	100km	21. Lake Saroma 100 km Ultramarathon	12:30:29 h	1210
03.05	140km	18. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:10:34 h	128
2005
26.06	100km	Open Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon)	12:28:19 h	1263
03.05	140km	17. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	22:57:11 h	121
2004
24.07	132km/2stages	Yashagaike Legend Maranic 132 km	20:14:16 h	146
03.05	140km	16. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:17:58 h	34
2003
26.07	132km/2stages	Yashagaike Legend Maranic 132 km	20:11:29 h	187
03.05	140km	15. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	22:33:03 h	66
2002
27.07	132km/2stages	Yashagaike Legend Maranic 132 km	20:16:52 h	146
03.05	140km	14. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:25:51 h	52
2001
06.10	71.5km	9th Hasetsune Cup - Japan Mountain Endurance Race	20:23:38 h	467
21.07	132km/2stages	Yashagaike Legend Maranic 132 km	19:56:45 h	148
03.05	140km	13. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	22:28:10 h	31
2000
03.05	140km	12. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:43:58 h	21
1999
03.05	140km	11. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:36:41 h	35
1998
03.05	140km	10. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	23:13:37 h	50

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	3/5/2011	23. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 2	3/5/2009	21. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 3	3/5/2008	20. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 4	3/5/2007	19. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 5	3/5/2006	18. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 6	3/5/2005	17. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 7	3/5/2004	16. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 8	3/5/2003	15. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 9	3/5/2002	14. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 10	3/5/2001	13. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 11	3/5/2000	12. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 12	3/5/1999	11. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 13	3/5/1998	10. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 14	24/7/2004	Yashagaike Legend Maranic 132 km	132,00	×2
✓ 15	26/7/2003	Yashagaike Legend Maranic 132 km	132,00	×2
✓ 16	27/7/2002	Yashagaike Legend Maranic 132 km	132,00	×2
✓ 17	21/7/2001	Yashagaike Legend Maranic 132 km	132,00	×2
✓ 18	11/1/2015	25th Miyako 100 km Ultramarathon	100,00	×1
✓ 19	12/1/2014	24th Miyako 100 km Ultramarathon	100,00	×1
✓ 20	6/10/2012	9th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 21	24/6/2012	27. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 22	10/6/2012	8th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 23	16/10/2011	17th River Shimanto 100km	100,00	×1
✓ 24	26/6/2011	26. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 25	12/6/2011	7th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 26	9/10/2010	8th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 27	13/6/2010	6th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 28	18/10/2009	15th River Shimanto 100km	100,00	×1
✓ 29	14/6/2009	5th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 30	11/10/2008	7th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 31	24/6/2007	22. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 32	9/10/2006	6th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 33	25/6/2006	21. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 34	26/6/2005	Open Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon)	100,00	×1
✓ 35	7/6/2015	4th Hida Takayama 72 km Ultramarathon	72,00	×1
✓ 36	8/6/2014	3rd Hida Takayama 72 km Ultramarathon	72,00	×1
✓ 37	9/6/2013	2nd Hida Takayama 72 km Ultramarathon	72,00	×1
✓ 38	6/10/2001	9th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 39	9/6/2019	8th Hida Takayama 71 km Ultramarathon	71,00	×1
✓ 40	10/6/2018	7th Hida Takayama 71 km Ultramarathon	71,00	×1
✓ 41	4/5/2016	28. Yamaguchi 100 Hagi-O-Kan Maranic 70 km	70,00	×1
✓ 42	16/7/2023	3rd Yamaguchi Hagi Return	65,00	×1
✓ 43	23/4/2023	23. Okukumano 65 km Ultramarathon	65,00	×1
✓ 44	18/7/2021	1st Yamaguchi Hagi Return	65,00	×1
✓ 45	22/4/2018	20. Okukumano 65 km Ultramarathon	65,00	×1
✓ 46	23/4/2017	19. Okukumano 65 km Ultramarathon	65,00	×1
✓ 47	19/10/2025	31th River Shimanto 60km	60,00	—
✓ 48	9/10/2022	14th Echigo Kubikino 60km Ultramarathon	60,00	—
✓ 49	20/10/2019	8th Noto Peninsula 60 km Ultra Marathon	60,00	—
✓ 50	21/10/2018	24th River Shimanto 60km	60,00	—
✓ 51	15/10/2017	6th Noto Peninsula 60 km Ultra Marathon	60,00	—
✓ 52	16/10/2016	5th Noto Peninsula 60 km Ultra Marathon	60,00	—
✓ 53	9/10/2016	11th Echigo Kubikino 60km Ultramarathon	60,00	—
✓ 54	18/9/2016	16th Tango 60 km Ultramarathon	60,00	—
✓ 55	20/9/2015	15th Tango 60 km Ultramarathon	60,00	—
✓ 56	22/11/2014	1st Kiso-Sansen 60 km Ultra-Marathon	60,00	—
✓ 57	14/9/2014	14th Tango 60 km Ultramarathon	60,00	—
58	14/6/2026	20th Iwate Ginga 50km Marathon Challenge	50,00	—
59	8/6/2025	19th Iwate Ginga 50km Marathon Challenge	50,00	—
60	24/9/2023	31. Akita Nairiku 50km Marathon	50,00	—
61	25/6/2023	38. Lake Saroma 50 km Ultramarathon	50,00	—
62	11/6/2023	17th Iwate Ginga 50km Marathon Challenge	50,00	—
63	25/9/2022	30. Akita Nairiku 50km Marathon	50,00	—
64	12/6/2022	16th Iwate Ginga 50km Marathon Challenge	50,00	—
65	19/1/2020	30th Miyako 50 km Ultramarathon	50,00	—
66	22/9/2019	29. Akita Nairiku 50km Marathon	50,00	—
67	20/1/2019	29th Miyako 50 km Ultramarathon	50,00	—
68	23/9/2018	28. Akita Nairiku 50km Marathon	50,00	—
69	8/6/2008	4th Iwate Ginga 50km Marathon Challenge	50,00	—