Izumi (水野いづみ) Mizuno

Born : 1965 Cat. W60 Ultrarunner since 2008

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

30,5%

Rank quotient ?This runner's calculation uses 69 eligible race(s): Σ(rank − 1) = 11 032; Σ finishers = 36 115. 11 032 / 36 115 × 100 = 30.55%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed69

Km — ultra races5 462 km

> 100 km9

> 160 km2

Longest race170,3 km

4th Ultra-Trail Mt. Fuji (UTMF) — 25/9/2015

Km per year (ultra races)

310

2022

113

2023

2024

2025

2026

Race types (share of distance)

Road46,5%

Trail53,5%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F2

🏅 Top 30

🏅 Top 3 F11

Longest winning streak0

Current streak0

Records

50 km4h31'58 100 km9h47'38 50 mi12h40'57 100 mi43h54'58

HISTORY

69 race(s)

Date		Race	Perf.	Rk
2026
06.06	63km	14th Tojinbo 62 km Ultramarathon	8:35:22 h	106
2023
27.05	62km	11th Tojinbo 62 km Ultramarathon	7:35:08 h	56
09.04	51.4km	1st AYABE Trailrun	8:19:47 h	183
2022
06.11	50km	9th Nakanoto Treasure Trail Run Festival	7:34:53 h	114
09.10	100km	14th Echigo Kubikino 100km Ultramarathon	12:05:41 h	349
18.09	60km	20th Tango 60 km Ultramarathon	7:46:15 h	86
16.04	100km	1st Atsumi Peninsula Ultra Nature Run - 100km	12:55:46 h	40
2019
19.05	72km	24th Saba Highway Ultramarathon	9:21:01 h	183
07.04	70km	5th Okumikawa Power Trail	12:07:26 h	297
2018
04.11	50km	5th Nakanoto Treasure Trail Run Festival	7:09:44 h	58
14.10	73km	4th Gasando Trail running race	11:22:27 h	102
09.09	51.4km	8th Hakuba Int. Trail Run	7:20:26 h	128
26.05	103km	7th Tojinbo 103 km Ultramarathon	13:09:14 h	44
2017
05.11	50km	4th Nakanoto Treasure Trail Run Festival	6:52:04 h	24
22.10	50km	3rd Gasando Trail running race	8:04:25 h	68
15.10	60km	6th Noto Peninsula 60 km Ultra Marathon	6:01:28 h	8
16.09	102km	9th Shinetsu Five Mountains Trail 100 mile	17:49:07 h	162
15.07	100km	10th OSJ Ontake 100km Ultra Trail	13:42:54 h	208
01.07	80km	7th Utsukushigahara 80 km Trail Run	12:40:57 h	387
11.06	100km	6th Hida Takayama 100 km Ultramarathon	10:49:10 h	256
27.05	103km	6th Tojinbo 103 km Ultramarathon	11:08:07 h	21
13.05	50km	3rd Mt. Hiei Int. 50 km Trail Run	9:15:08 h	329
03.05	140km	29. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	19:47:54 h	39
23.04	70km	3rd Okumikawa Power Trail	12:11:07 h	267
23.04	65km	19. Okukumano 65 km Ultramarathon	6:26:00 h	13
2016
11.12	71.7km	3rd Izu Trail Journey	11:41:29 h	477
06.11	50km	3rd Nakanoto Treasure Trail Run Festival	6:32:01 h	19
09.10	100km	11th Echigo Kubikino 100km Ultramarathon	9:54:38 h	137
11.09	53km	6th Hakuba Int. Trail Run	7:10:34 h	92
27.08	60km	19th Mt. Tateyama Climbathon	8:34:00 h	55
16.07	100km	9th OSJ Ontake 100km Ultra Trail	13:19:24 h	199
26.06	72.7km	3. Spatrail - Shima to Kusatsu	11:08:24 h	224
12.06	100km	5th Hida Takayama 100 km Ultramarathon	11:11:10 h	251
28.05	103km	5th Tojinbo 103 km Ultramarathon	10:52:32 h	18
24.04	65km	18. Okukumano 65 km Ultramarathon	6:20:39 h	11
27.03	50km	2nd Osaka Yodogawa 50 km Ultra Marathon	4:31:58 h	27
2015
29.11	50km	Kumano Old Trails	8:18:51 h	67
25.10	50km	2nd Nakanoto Treasure Trail Run Festival	6:43:39 h	19
18.10	60km	4th Noto Peninsula 60 km Ultra Marathon	5:57:46 h	16
25.09	170.3km	4th Ultra-Trail Mt. Fuji	42:28:19 h	378
13.09	53km	5th Hakuba Int. Trail Run	7:06:47 h	128
02.08	74km	1st OSJ Yamanaka Onsen Trail Run	14:52:28 h	64
18.07	100km	8th OSJ Ontake 100km Ultra Trail	13:53:26 h	205
04.07	80km	5th Utsukushigahara 80 km Trail Run	14:03:32 h	253
07.06	100km	4th Hida Takayama 100 km Ultramarathon	11:02:42 h	181
30.05	50km	1st Mt. Hiei Int. 50 km Trail Run	9:04:02 h	158
17.05	73km	1st Gasando Trail running race	9:50:50 h	99
29.03	47km	1st Osaka Yodogawa 50 km Ultra Marathon	4:15:40 h	36
15.03	72km	2nd Izu Trail Journey	12:42:25 h	694
2014
12.10	100km	10th Echigo Kubikino 100km Ultramarathon	10:27:07 h	176
14.09	110km	6th Shinetsu Five Mountains Trail 110km	18:00:38 h	152
20.07	65km	5th Nozawa Onsen 4100D Mountain Trail	11:02:41 h	130
05.07	80km	4th Utsukushigahara 80 km Trail Run	15:32:12 h	269
29.06	55.7km	1st Kobo Trail 2014	11:49:19 h	24
08.06	100km	3rd Hida Takayama 100 km Ultramarathon	11:31:37 h	263
25.04	100mi	3rd Ultra-Trail Mt. Fuji	43:54:58 h	647
2013
29.09	100km	1st 100 km Ultramarathon Hakusan-Shirakawago	11:10:34 h	83
15.09	53km	3rd Hakuba Int. Trail Run	7:23:27 h	160
31.08	70km	3rd Utsukushigahara 70 km Trail Run	13:34:39 h	179
13.07	65km	4th Nozawa Onsen 4100D Mountain Trail	11:19:53 h	148
19.05	76km	Saba Highway Ultramarathon	9:18:28 h	100
26.04	84km	2nd Shizuoka to Yamanashi	17:07:02 h	267
2012
06.10	100km	9th Echigo Kubikino 100km Ultramarathon	10:04:41 h	109
20.05	100km	18th Yatsugatake Nobeyama 100 km	13:24:32 h	656
22.04	112km	22nd Fuji 5 Lakes 112 km Challenge	12:55:47 h	183
2011
18.09	50km	1st Hakuba Int. Trail Run	6:20:48 h	31
19.06	100km	6. Okinoshima 100km Ultra Marathon	11:17:01 h	69
2009
27.09	100km	19. Akita Nairiku 100km Marathon	9:47:38 h	66
2008
14.09	100km	8th Tango 100 km Ultramarathon	10:12:31 h	53

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/9/2015	4th Ultra-Trail Mt. Fuji (UTMF)	170,30	×3
✓ 2	25/4/2014	3rd Ultra-Trail Mt. Fuji (UTMF)	160,93	×2
✓ 3	3/5/2017	29. Yamaguchi 100 Hagi-O-Kan Maranic 140 km	140,00	×2
✓ 4	22/4/2012	22nd Fuji 5 Lakes 112 km Challenge	112,00	×2
✓ 5	14/9/2014	6th Shinetsu Five Mountains Trail 110km	110,00	×2
✓ 6	26/5/2018	7th Tojinbo 103 km Ultramarathon	103,00	×1
✓ 7	27/5/2017	6th Tojinbo 103 km Ultramarathon	103,00	×1
✓ 8	28/5/2016	5th Tojinbo 103 km Ultramarathon	103,00	×1
✓ 9	16/9/2017	9th Shinetsu Five Mountains Trail 100 mile	102,00	×1
✓ 10	9/10/2022	14th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 11	16/4/2022	1st Atsumi Peninsula Ultra Nature Run - 100km	100,00	×1
✓ 12	15/7/2017	10th OSJ Ontake 100km Ultra Trail	100,00	×1
✓ 13	11/6/2017	6th Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 14	9/10/2016	11th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 15	16/7/2016	9th OSJ Ontake 100km Ultra Trail	100,00	×1
✓ 16	12/6/2016	5th Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 17	18/7/2015	8th OSJ Ontake 100km Ultra Trail	100,00	×1
✓ 18	7/6/2015	4th Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 19	12/10/2014	10th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 20	8/6/2014	3rd Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 21	29/9/2013	1st 100 km Ultramarathon Hakusan-Shirakawago	100,00	×1
✓ 22	6/10/2012	9th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 23	20/5/2012	18th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 24	19/6/2011	6. Okinoshima 100km Ultra Marathon	100,00	×1
✓ 25	27/9/2009	19. Akita Nairiku 100km Marathon	100,00	×1
✓ 26	14/9/2008	8th Tango 100 km Ultramarathon	100,00	×1
✓ 27	26/4/2013	2nd Shizuoka to Yamanashi (STY)	84,00	×1
✓ 28	1/7/2017	7th Utsukushigahara 80 km Trail Run	80,00	×1
✓ 29	4/7/2015	5th Utsukushigahara 80 km Trail Run	80,00	×1
✓ 30	5/7/2014	4th Utsukushigahara 80 km Trail Run	80,00	×1
✓ 31	19/5/2013	Saba Highway Ultramarathon	76,00	×1
✓ 32	2/8/2015	1st OSJ Yamanaka Onsen Trail Run	74,00	×1
✓ 33	14/10/2018	4th Gasando Trail running race	73,00	×1
✓ 34	17/5/2015	1st Gasando Trail running race	73,00	×1
✓ 35	26/6/2016	3. Spatrail - Shima to Kusatsu	72,70	×1
✓ 36	19/5/2019	24th Saba Highway Ultramarathon	72,00	×1
✓ 37	15/3/2015	2nd Izu Trail Journey	72,00	×1
✓ 38	11/12/2016	3rd Izu Trail Journey	71,70	×1
✓ 39	7/4/2019	5th Okumikawa Power Trail	70,00	×1
✓ 40	23/4/2017	3rd Okumikawa Power Trail	70,00	×1
✓ 41	31/8/2013	3rd Utsukushigahara 70 km Trail Run	70,00	×1
✓ 42	24/4/2016	18. Okukumano 65 km Ultramarathon	65,00	×1
✓ 43	20/7/2014	5th Nozawa Onsen 4100D Mountain Trail	65,00	×1
✓ 44	13/7/2013	4th Nozawa Onsen 4100D Mountain Trail	65,00	×1
✓ 45	6/6/2026	14th Tojinbo 62 km Ultramarathon	63,00	×1
✓ 46	27/5/2023	11th Tojinbo 62 km Ultramarathon	62,00	×1
✓ 47	18/9/2022	20th Tango 60 km Ultramarathon	60,00	×1
✓ 48	15/10/2017	6th Noto Peninsula 60 km Ultra Marathon	60,00	×1
✓ 49	27/8/2016	19th Mt. Tateyama Climbathon	60,00	×1
✓ 50	18/10/2015	4th Noto Peninsula 60 km Ultra Marathon	60,00	×1
✓ 51	29/6/2014	1st Kobo Trail 2014	55,70	×1
✓ 52	11/9/2016	6th Hakuba Int. Trail Run	53,00	—
✓ 53	13/9/2015	5th Hakuba Int. Trail Run	53,00	—
54	15/9/2013	3rd Hakuba Int. Trail Run	53,00	—
55	9/4/2023	1st AYABE Trailrun	51,40	—
56	9/9/2018	8th Hakuba Int. Trail Run	51,40	—
57	6/11/2022	9th Nakanoto Treasure Trail Run Festival	50,00	—
58	4/11/2018	5th Nakanoto Treasure Trail Run Festival	50,00	—
59	5/11/2017	4th Nakanoto Treasure Trail Run Festival	50,00	—
60	22/10/2017	3rd Gasando Trail running race	50,00	—
61	13/5/2017	3rd Mt. Hiei Int. 50 km Trail Run	50,00	—
62	6/11/2016	3rd Nakanoto Treasure Trail Run Festival	50,00	—
63	27/3/2016	2nd Osaka Yodogawa 50 km Ultra Marathon	50,00	—
64	29/11/2015	Kumano Old Trails	50,00	—
65	25/10/2015	2nd Nakanoto Treasure Trail Run Festival	50,00	—
66	30/5/2015	1st Mt. Hiei Int. 50 km Trail Run	50,00	—
67	18/9/2011	1st Hakuba Int. Trail Run	50,00	—
68	29/3/2015	1st Osaka Yodogawa 50 km Ultra Marathon	47,00	—