Tadahiko (南雲忠彦) Nagumo

ID 161966

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

28,7%

Rank quotient ?This runner's calculation uses 70 eligible race(s): Σ(rank − 1) = 11 389; Σ finishers = 39 712. 11 389 / 39 712 × 100 = 28.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed70

Km — ultra races8 675 km

> 100 km40

> 160 km20

> 200 km6

> 24h1

Longest race235,0 km

10th Little Edo Oedo 235k — 22/2/2020

Km per year (ultra races)

494

2022

100

2023

484

2024

586

2025

220

2026

Race types (share of distance)

Road46,7%

Trail53,3%

Records

100 km10h20'24 100 mi22h29'28 24 h187,71 km

HISTORY

70 race(s)

Date		Race	Perf.	Rk
2026
17.05	100km	32th Yatsugatake Nobeyama 100 km	13:48:29 h	1097
19.04	120km	36th Fuji 5 Lakes Sparta Challenge	14:34:18 h	266
2025
20.09	110km	11th SkyViewTrail Memorial Cup	27:34:38 h	29
19.07	100mi	17th OSJ Ontake 100 Mile Ultra Trail	23:40:51 h	93
14.06	105km	3rd Okumusashi Long Trail Race 105K	28:16:21 h	80
30.05	110km	4th Tokyo Grand Trail - 110km	34:57:04 h	27
18.05	100km	31th Yatsugatake Nobeyama 100 km	13:50:10 h	1041
2024
12.10	100mi	10th OSJ Koumi 100	32:05:50 h	62
08.06	105km	2nd Okumusashi Long Trail Race 105K	28:37:59 h	107
19.05	100km	30th Yatsugatake Nobeyama 100 km	12:39:19 h	411
21.04	118km	34th Fuji 5 Lakes 118 km Challenge	14:34:04 h	311
2023
21.05	100km	29th Yatsugatake Nobeyama 100 km	12:51:28 h	298
2022
11.12	70km	9th Izu Trail Journey	10:23:05 h	380
20.11	106km	8th FunTrails100K Round	26:46:44 h	300
02.10	100km	9th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K	13:05:20 h	18
22.05	100km	28th Yatsugatake Nobeyama 100 km	12:49:26 h	446
17.04	118km	32th Fuji 5 Lakes 118 km Challenge	14:07:38 h	218
2020
22.02	235km	10th Little Edo Oedo 235k	33:17:09 h	31
2019
23.02	204km	9th Little Edo Oedo 200k	26:35:58 h	25
2018
06.10	100mi	5th OSJ Koumi 100	32:35:12 h	33
19.08	101km	6th World Cultural Heritage "Fuji" Foot Race	11:15:00 h	5
20.05	100km	24th Yatsugatake Nobeyama 100 km	11:24:03 h	253
22.04	118km	28th Fuji 5 Lakes 118 km Challenge	13:39:29 h	168
2017
07.10	100mi	4th OSJ Koumi 100	34:22:20 h	97
30.09	24h	2nd Coedo Kawagoe Running Fest 24-hours run	187.705 km	4
16.09	102km	9th Shinetsu Five Mountains Trail 100 mile	16:27:44 h	105
21.05	100km	23rd Yatsugatake Nobeyama 100 km	11:16:02 h	155
23.04	118km	27th Fuji 5 Lakes 118 km Challenge	12:15:03 h	71
04.03	233km	7th Little Edo Oedo 230k	30:30:19 h	5
2016
08.10	100mi	3rd OSJ Koumi 100	34:33:07 h	52
05.06	78km	23. Ultramarathon Okumusashi	7:50:36 h	218
22.05	100km	22nd Yatsugatake Nobeyama 100 km	10:55:42 h	172
24.04	118km	26th Fuji 5 Lakes 118 km Challenge	11:59:57 h	87
05.03	233km	6th Little Edo Oedo 230k	29:45:33 h	7
2015
10.10	100mi	2nd OSJ Koumi 100	29:30:37 h	13
25.09	170.3km	4th Ultra-Trail Mt. Fuji	41:58:07 h	352
18.07	100mi	8th OSJ Ontake 100 Mile Ultra Trail	22:29:28 h	29
22.06	77km	22. Ultramarathon Okumusashi	7:59:59 h	248
19.04	118km	25th Fuji 5 Lakes 118 km Challenge	12:58:32 h	131
28.02	203km	5th Little Edo Oedo 200k	24:06:14 h	7
2014
04.10	100mi	1st OSJ Koumi 100	30:01:07 h	8
19.07	100mi	7th OSJ Ontake 100 Mile Ultra Trail	22:32:45 h	35
18.05	100km	20th Yatsugatake Nobeyama 100 km	10:20:24 h	82
20.04	108km	24th Fuji 5 Lakes 108 km Challenge	10:45:55 h	45
01.03	203km	4th Little Edo Oedo 200k	24:45:36 h	9
2013
07.09	100mi	2nd OSJ Yatsugatake Super Trail 100 miles race	28:04:28 h	41
19.05	100km	19th Yatsugatake Nobeyama 100 km	11:16:45 h	174
21.04	112km	23rd Fuji 5 Lakes 112 km Challenge	13:21:07 h	95
2012
03.11	100mi	1st OSJ Yatsugatake Super Trail 100 miles race	29:20:58 h	95
15.07	100mi	5th OSJ Ontake 100 Mile Ultra Trail	23:45:54 h	38
10.06	100km	1st Hida Takayama 100 km Ultramarathon	10:32:56 h	59
20.05	100km	18th Yatsugatake Nobeyama 100 km	10:38:09 h	89
22.04	112km	22nd Fuji 5 Lakes 112 km Challenge	11:34:50 h	76
2011
30.04	112km	21st Fuji 5 Lakes 112 km Challenge	12:48:20 h	151
2010
10.10	71.5km	18th Hasetsune Cup - Japan Mountain Endurance Race	14:49:40 h	446
18.07	100km	3rd OSJ Ontake 100km Ultra Trail	14:50:59 h	123
16.05	100km	16th Yatsugatake Nobeyama 100 km	11:01:19 h	150
25.04	112km	20th Fuji 5 Lakes 112 km Challenge	11:27:25 h	51
2009
19.07	100km	2nd OSJ Ontake 100km Ultra Trail	13:38:27 h	87
17.05	100km	15th Yatsugatake Nobeyama 100 km	10:41:13 h	71
26.04	112km	19th Fuji 5 Lakes 112 km Challenge	10:22:35 h	11
2008
12.10	71.5km	16th Hasetsune Cup - Japan Mountain Endurance Race	12:03:24 h	236
20.07	100km	1st OSJ Ontake 100km Ultra Trail	13:28:48 h	61
18.05	100km	14th Yatsugatake Nobeyama 100 km	10:36:11 h	54
2007
20.05	100km	13th Yatsugatake Nobeyama 100 km	11:33:54 h	150
2006
08.10	71.5km	14th Hasetsune Cup - Japan Mountain Endurance Race	14:52:47 h	369
21.05	100km	12th Yatsugatake Nobeyama 100 km	11:51:30 h	135
2005
22.05	100km	11th Yatsugatake Nobeyama 100 km	11:43:04 h	123
2004
16.05	100km	10th Yatsugatake Nobeyama 100 km	13:47:55 h	493
2002
12.05	100km	8th Yatsugatake Nobeyama 100 km	13:43:42 h	450

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	22/2/2020	10th Little Edo Oedo 235k	235,00	×2
✓ 2	4/3/2017	7th Little Edo Oedo 230k	233,00	×2
✓ 3	5/3/2016	6th Little Edo Oedo 230k	233,00	×2
✓ 4	23/2/2019	9th Little Edo Oedo 200k	204,00	×2
✓ 5	28/2/2015	5th Little Edo Oedo 200k	203,00	×2
✓ 6	1/3/2014	4th Little Edo Oedo 200k	203,00	×2
✓ 7	30/9/2017	2nd Coedo Kawagoe Running Fest 24-hours run	187,71	×2
✓ 8	25/9/2015	4th Ultra-Trail Mt. Fuji (UTMF)	170,30	×2
✓ 9	19/7/2025	17th OSJ Ontake 100 Mile Ultra Trail	160,93	×2
✓ 10	12/10/2024	10th OSJ Koumi 100	160,93	×2
✓ 11	6/10/2018	5th OSJ Koumi 100	160,93	×2
✓ 12	7/10/2017	4th OSJ Koumi 100	160,93	×2
✓ 13	8/10/2016	3rd OSJ Koumi 100	160,93	×2
✓ 14	10/10/2015	2nd OSJ Koumi 100	160,93	×2
✓ 15	18/7/2015	8th OSJ Ontake 100 Mile Ultra Trail	160,93	×2
✓ 16	4/10/2014	1st OSJ Koumi 100	160,93	×2
✓ 17	19/7/2014	7th OSJ Ontake 100 Mile Ultra Trail	160,93	×2
✓ 18	7/9/2013	2nd OSJ Yatsugatake Super Trail 100 miles race	160,93	×2
✓ 19	3/11/2012	1st OSJ Yatsugatake Super Trail 100 miles race	160,93	×2
✓ 20	15/7/2012	5th OSJ Ontake 100 Mile Ultra Trail	160,93	×2
✓ 21	19/4/2026	36th Fuji 5 Lakes Sparta Challenge	120,00	×1
✓ 22	21/4/2024	34th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 23	17/4/2022	32th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 24	22/4/2018	28th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 25	23/4/2017	27th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 26	24/4/2016	26th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 27	19/4/2015	25th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 28	21/4/2013	23rd Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 29	22/4/2012	22nd Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 30	30/4/2011	21st Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 31	25/4/2010	20th Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 32	26/4/2009	19th Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 33	20/9/2025	11th SkyViewTrail Memorial Cup	110,00	×1
✓ 34	30/5/2025	4th Tokyo Grand Trail - 110km	110,00	×1
✓ 35	20/4/2014	24th Fuji 5 Lakes 108 km Challenge	108,00	×1
✓ 36	20/11/2022	8th FunTrails100K Round	106,00	×1
✓ 37	14/6/2025	3rd Okumusashi Long Trail Race 105K	105,00	×1
✓ 38	8/6/2024	2nd Okumusashi Long Trail Race 105K	105,00	×1
✓ 39	16/9/2017	9th Shinetsu Five Mountains Trail 100 mile	102,00	×1
✓ 40	19/8/2018	6th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 41	17/5/2026	32th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 42	18/5/2025	31th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 43	19/5/2024	30th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 44	21/5/2023	29th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 45	2/10/2022	9th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K	100,00	×1
✓ 46	22/5/2022	28th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 47	20/5/2018	24th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 48	21/5/2017	23rd Yatsugatake Nobeyama 100 km	100,00	×1
✓ 49	22/5/2016	22nd Yatsugatake Nobeyama 100 km	100,00	×1
✓ 50	18/5/2014	20th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 51	19/5/2013	19th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 52	10/6/2012	1st Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 53	20/5/2012	18th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 54	18/7/2010	3rd OSJ Ontake 100km Ultra Trail	100,00	×1
✓ 55	16/5/2010	16th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 56	19/7/2009	2nd OSJ Ontake 100km Ultra Trail	100,00	×1
✓ 57	17/5/2009	15th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 58	20/7/2008	1st OSJ Ontake 100km Ultra Trail	100,00	×1
✓ 59	18/5/2008	14th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 60	20/5/2007	13th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 61	21/5/2006	12th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 62	22/5/2005	11th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 63	16/5/2004	10th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 64	12/5/2002	8th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 65	5/6/2016	23. Ultramarathon Okumusashi	78,00	—
✓ 66	22/6/2015	22. Ultramarathon Okumusashi	77,00	—
✓ 67	10/10/2010	18th Hasetsune Cup - Japan Mountain Endurance Race	71,50	—
✓ 68	12/10/2008	16th Hasetsune Cup - Japan Mountain Endurance Race	71,50	—
✓ 69	8/10/2006	14th Hasetsune Cup - Japan Mountain Endurance Race	71,50	—
✓ 70	11/12/2022	9th Izu Trail Journey	70,00	—