Mitsuo (原田光男) Harada

ID 71979

Born : 1973 Cat. M50 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

Taiwan

6,4%

Rank quotient ?This runner's calculation uses 94 eligible race(s): Σ(rank − 1) = 1 523; Σ finishers = 23 779. 1 523 / 23 779 × 100 = 6.40%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed94

Km — ultra races5 181 km

Longest race100,0 km

5. Okinoshima 100km Ultra Marathon — 20/6/2010

Km per year (ultra races)

411

2022

493

2023

493

2024

489

2025

428

2026

Race types (share of distance)

Road91,9%

Trail8,1%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M2

🏅 Top 313

🏅 Top 3 M13

Longest winning streak1

Current streak0

Records

50 km3h56'54 100 km10h22'09 6 h64,60 km

HISTORY

94 race(s)

Date		Race	Perf.	Rk
2026
05.07	64km	13th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K	6:05:11 h	2 🥈
21.06	50km	19. Okinoshima 50km Ultra Marathon	4:15:09 h	8
14.06	50km	20th Iwate Ginga 50km Marathon Challenge	4:04:11 h	10
30.05	64km	6th Lake Suwa Ultra Marathon - 64 km	5:31:00 h	4
03.05	70km	34. Mukogawa Yurikamome Ultra Marathon	6:03:16 h	33
19.04	50km	30th 50 km Ultramarathon Ako Seaside Park	3:56:59 h	8
11.04	8h	21st Toda Saiko 8 Hours	80.000 km	14
2025
19.10	60km	31th River Shimanto 60km	4:59:36 h	15
28.09	50km	33. Akita Nairiku 50km Marathon	4:12:30 h	11
20.09	6h	25th 6-hour relay & solo marathon Kobe	62.700 km	6
06.07	48km	12th Naeba-Sanroku Geopark Tsunan Ultramarathon 48K	4:32:45 h	4
15.06	50km	18. Okinoshima 50km Ultra Marathon	4:16:27 h	8
08.06	50km	19th Iwate Ginga 50km Marathon Challenge	4:07:54 h	15
31.05	48km	5th Lake Suwa Ultra Marathon - 48 km	3:55:16 h	3 🥉
11.05	50km	29th 50 km Ultramarathon Ako Seaside Park	4:00:20 h	7
03.05	70km	33. Mukogawa Yurikamome Ultra Marathon	6:08:42 h	45
2024
19.10	50km	7th Iki 50 km Ultra Marathon	4:17:07 h	6
13.10	50km	15th Echigo Kubikino 50km Ultramarathon	4:05:35 h	9
22.09	50km	32. Akita Nairiku 50km Marathon	3:57:50 h	18
17.08	6h	24th 6-hour relay & solo marathon Kobe	64.600 km	6
09.06	50km	18th Iwate Ginga 50km Marathon Challenge	3:57:48 h	14
18.05	48km	4th Lake Suwa Ultra Marathon - 48 km	3:56:20 h	2 🥈
12.05	50km	28th 50 km Ultramarathon Ako Seaside Park	3:57:01 h	9
03.05	70km	32. Mukogawa Yurikamome Ultra Marathon	6:04:14 h	27
30.03	60km	4th Tama River Clear Stream Marathon 60km	5:05:29 h	2 🥈
2023
24.12	50km	10th Kobe Agricultural Park Run	4:31:39 h	7
21.10	50km	6th Iki 50 km Ultra Marathon	4:04:26 h	13
15.10	60km	29th River Shimanto 60km	4:50:41 h	12
01.10	50km	17th Ashiya Hama Shiokaze Ultra Marathon - 50 km	4:13:32 h	5
24.09	50km	31. Akita Nairiku 50km Marathon	4:02:40 h	10
19.08	6h	23th 6-hour relay & solo marathon Kobe	62.900 km	3 🥉
11.06	50km	17th Iwate Ginga 50km Marathon Challenge	3:59:26 h	6
14.05	50km	27th 50 km Ultramarathon Ako Seaside Park	3:58:33 h	8
03.05	70km	31. Mukogawa Yurikamome Ultra Marathon	6:07:37 h	26
2022
18.12	50km	5th Okinawa 50km Ultramarathon	4:06:26 h	5
11.12	50km	5th Osaka Yodogawa 50 km Ultra Marathon	3:56:54 h	2 🥈
15.10	50km	5th Iki 50 km Ultra Marathon	4:13:39 h	7
25.09	50km	30. Akita Nairiku 50km Marathon	3:57:56 h	5
30.07	6h	22th 6-hour relay & solo marathon Kobe	61.200 km	3 🥉
19.06	50km	15. Okinoshima 50km Ultra Marathon	5:28:30 h	24
08.05	50km	26th 50 km Ultramarathon Ako Seaside Park	4:15:45 h	10
24.04	50km	4th Osaka Yodogawa 50 km Ultra Marathon	4:15:36 h	3 🥉
2021
10.10	50km	25th 50 km Ultramarathon Ako Seaside Park	4:37:46 h	10
2020
11.10	50km	24th 50 km Ultramarathon Ako Seaside Park	4:36:12 h	7
2019
15.12	50km	4th Okinawa 50km Ultramarathon	4:39:17 h	10
23.11	50km	8th Yilan Dongshan River 50km Ultra-Marathon	4:15:51 h	1 🏆
19.10	50km	4th Iki 50 km Ultra Marathon	4:15:07 h	10
06.10	50km	15th Ashiya Hama Shiokaze Ultra Marathon - 50 km	4:05:30 h	4
22.09	50km	29. Akita Nairiku 50km Marathon	4:02:34 h	11
16.06	50km	14. Okinoshima 50km Ultra Marathon	4:13:23 h	11
09.03	45km	9th Southern Cross-Island Highway 45 km Ultra Marathon	3:50:59 h	3 🥉
2018
25.11	50km	7th Yilan Dongshan River 50km Ultra-Marathon	4:26:56 h	4
20.10	50km	3rd Iki 50 km Ultra Marathon	4:19:09 h	12
23.09	50km	28. Akita Nairiku 50km Marathon	4:19:53 h	14
17.06	50km	13. Okinoshima 50km Ultra Marathon	5:05:45 h	23
2017
02.12	45km	3rd Muyeh Chihshang Ultramarathon	4:05:55 h	6
21.10	50km	2nd Iki 50 km Ultra Marathon	4:25:10 h	12
24.09	50km	27. Akita Nairiku 50km Marathon	4:25:39 h	17
18.06	50km	12. Okinoshima 50km Ultra Marathon	4:50:22 h	18
11.03	45km	7th Southern Cross-Island Highway 45 km Ultra Marathon	4:14:54 h	2 🥈
2016
09.10	60km	11th Echigo Kubikino 60km Ultramarathon	5:41:15 h	27
25.09	50km	26. Akita Nairiku 50km Marathon	4:23:20 h	12
19.06	50km	11. Okinoshima 50km Ultra Marathon	4:35:04 h	13
12.03	45km	6th Southern Cross-Island Highway 45 km Ultra Marathon	3:51:59 h	5
2015
18.10	60km	21st River Shimanto 60km	6:30:29 h	66
27.09	50km	25. Akita Nairiku 50km Marathon	4:07:15 h	13
21.06	50km	10. Okinoshima 50km Ultra Marathon	4:10:58 h	16
28.03	58km	11th Izu Oshima Ultra 58 km	5:01:30 h	7
2014
19.10	60km	20th River Shimanto 60km	4:53:16 h	13
12.10	60km	10th Echigo Kubikino 60km Ultramarathon	4:55:59 h	9
15.06	50km	9. Okinoshima 50km Ultra Marathon	4:12:43 h	4
2013
20.10	60km	19th River Shimanto 60km	4:46:01 h	12
15.09	60km	13th Tango 60 km Ultramarathon	5:21:28 h	54
13.07	6h	2nd 6-hour relay & solo marathon Mimasaka	57.800 km	2 🥈
30.06	50km	28. Lake Saroma 50 km Ultramarathon	4:00:30 h	7
16.06	50km	8. Okinoshima 50km Ultra Marathon	4:04:20 h	3 🥉
21.04	72km	23rd Fuji 5 Lakes 72 km Challenge	7:14:09 h	44
2012
21.10	60km	18th River Shimanto 60km	4:49:45 h	9
06.10	50km	9th Echigo Kubikino 50km Ultramarathon	3:57:07 h	12
21.09	60km	12th Tango 60 km Ultramarathon	5:54:25 h	34
19.08	50km	2nd North Okhotsk 50 km Marathon	4:08:19 h	11
2011
16.10	60km	17th River Shimanto 60km	6:04:07 h	39
18.09	60km	11th Tango 60 km Ultramarathon	8:11:02 h	231
19.06	50km	6. Okinoshima 50km Ultra Marathon	4:02:39 h	7
03.05	70km	19. Mukogawa Yurikamome Ultra Marathon	5:57:33 h	48
2010
17.10	60km	16th River Shimanto 60km	5:03:36 h	13
19.09	60km	10th Tango 60 km Ultramarathon	5:31:55 h	28
20.06	100km	5. Okinoshima 100km Ultra Marathon	10:22:09 h	22
23.05	70km	2nd 70 km Ultra Maranic Osaka	6:28:00 h	5
03.05	70km	18. Mukogawa Yurikamome Ultra Marathon	7:38:20 h	115
2009
20.09	60km	9th Tango 60 km Ultramarathon	5:41:51 h	41
28.06	50km	24. Lake Saroma 50 km Ultramarathon	4:21:05 h	18
21.06	50km	4. Okinoshima 50km Ultra Marathon	4:27:24 h	7
2008
14.09	60km	8th Tango 60 km Ultramarathon	6:30:28 h	60

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	20/6/2010	5. Okinoshima 100km Ultra Marathon	100,00	×2
✓ 2	11/4/2026	21st Toda Saiko 8 Hours	80,00	×1
✓ 3	21/4/2013	23rd Fuji 5 Lakes 72 km Challenge	72,00	×1
✓ 4	3/5/2026	34. Mukogawa Yurikamome Ultra Marathon	70,00	×1
✓ 5	3/5/2025	33. Mukogawa Yurikamome Ultra Marathon	70,00	×1
✓ 6	3/5/2024	32. Mukogawa Yurikamome Ultra Marathon	70,00	×1
✓ 7	3/5/2023	31. Mukogawa Yurikamome Ultra Marathon	70,00	×1
✓ 8	3/5/2011	19. Mukogawa Yurikamome Ultra Marathon	70,00	×1
✓ 9	23/5/2010	2nd 70 km Ultra Maranic Osaka	70,00	×1
✓ 10	3/5/2010	18. Mukogawa Yurikamome Ultra Marathon	70,00	×1
✓ 11	17/8/2024	24th 6-hour relay & solo marathon Kobe	64,60	×1
✓ 12	5/7/2026	13th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K	64,00	×1
✓ 13	30/5/2026	6th Lake Suwa Ultra Marathon - 64 km	64,00	×1
✓ 14	19/8/2023	23th 6-hour relay & solo marathon Kobe	62,90	×1
✓ 15	20/9/2025	25th 6-hour relay & solo marathon Kobe	62,70	×1
✓ 16	30/7/2022	22th 6-hour relay & solo marathon Kobe	61,20	×1
✓ 17	19/10/2025	31th River Shimanto 60km	60,00	×1
✓ 18	30/3/2024	4th Tama River Clear Stream Marathon 60km	60,00	×1
✓ 19	15/10/2023	29th River Shimanto 60km	60,00	×1
✓ 20	9/10/2016	11th Echigo Kubikino 60km Ultramarathon	60,00	×1
✓ 21	18/10/2015	21st River Shimanto 60km	60,00	×1
✓ 22	19/10/2014	20th River Shimanto 60km	60,00	×1
✓ 23	12/10/2014	10th Echigo Kubikino 60km Ultramarathon	60,00	×1
✓ 24	20/10/2013	19th River Shimanto 60km	60,00	×1
✓ 25	15/9/2013	13th Tango 60 km Ultramarathon	60,00	×1
✓ 26	21/10/2012	18th River Shimanto 60km	60,00	×1
✓ 27	21/9/2012	12th Tango 60 km Ultramarathon	60,00	×1
✓ 28	16/10/2011	17th River Shimanto 60km	60,00	×1
✓ 29	18/9/2011	11th Tango 60 km Ultramarathon	60,00	×1
✓ 30	17/10/2010	16th River Shimanto 60km	60,00	×1
✓ 31	19/9/2010	10th Tango 60 km Ultramarathon	60,00	×1
✓ 32	20/9/2009	9th Tango 60 km Ultramarathon	60,00	×1
✓ 33	14/9/2008	8th Tango 60 km Ultramarathon	60,00	×1
✓ 34	28/3/2015	11th Izu Oshima Ultra 58 km	58,00	×1
✓ 35	13/7/2013	2nd 6-hour relay & solo marathon Mimasaka	57,80	×1
✓ 36	21/6/2026	19. Okinoshima 50km Ultra Marathon	50,00	×1
✓ 37	14/6/2026	20th Iwate Ginga 50km Marathon Challenge	50,00	×1
✓ 38	19/4/2026	30th 50 km Ultramarathon Ako Seaside Park	50,00	×1
✓ 39	28/9/2025	33. Akita Nairiku 50km Marathon	50,00	×1
✓ 40	15/6/2025	18. Okinoshima 50km Ultra Marathon	50,00	×1
✓ 41	8/6/2025	19th Iwate Ginga 50km Marathon Challenge	50,00	×1
✓ 42	11/5/2025	29th 50 km Ultramarathon Ako Seaside Park	50,00	×1
✓ 43	19/10/2024	7th Iki 50 km Ultra Marathon	50,00	×1
✓ 44	13/10/2024	15th Echigo Kubikino 50km Ultramarathon	50,00	×1
✓ 45	22/9/2024	32. Akita Nairiku 50km Marathon	50,00	×1
✓ 46	9/6/2024	18th Iwate Ginga 50km Marathon Challenge	50,00	×1
✓ 47	12/5/2024	28th 50 km Ultramarathon Ako Seaside Park	50,00	×1
✓ 48	24/12/2023	10th Kobe Agricultural Park Run	50,00	×1
✓ 49	21/10/2023	6th Iki 50 km Ultra Marathon	50,00	×1
✓ 50	1/10/2023	17th Ashiya Hama Shiokaze Ultra Marathon - 50 km	50,00	×1
51	24/9/2023	31. Akita Nairiku 50km Marathon	50,00	×1
52	11/6/2023	17th Iwate Ginga 50km Marathon Challenge	50,00	×1
53	14/5/2023	27th 50 km Ultramarathon Ako Seaside Park	50,00	×1
54	18/12/2022	5th Okinawa 50km Ultramarathon	50,00	×1
55	11/12/2022	5th Osaka Yodogawa 50 km Ultra Marathon	50,00	×1
56	15/10/2022	5th Iki 50 km Ultra Marathon	50,00	×1
57	25/9/2022	30. Akita Nairiku 50km Marathon	50,00	×1
58	19/6/2022	15. Okinoshima 50km Ultra Marathon	50,00	×1
59	8/5/2022	26th 50 km Ultramarathon Ako Seaside Park	50,00	×1
60	24/4/2022	4th Osaka Yodogawa 50 km Ultra Marathon	50,00	×1
61	10/10/2021	25th 50 km Ultramarathon Ako Seaside Park	50,00	×1
62	11/10/2020	24th 50 km Ultramarathon Ako Seaside Park	50,00	×1
63	15/12/2019	4th Okinawa 50km Ultramarathon	50,00	×1
64	23/11/2019	8th Yilan Dongshan River 50km Ultra-Marathon	50,00	×1
65	19/10/2019	4th Iki 50 km Ultra Marathon	50,00	×1
66	6/10/2019	15th Ashiya Hama Shiokaze Ultra Marathon - 50 km	50,00	×1
67	22/9/2019	29. Akita Nairiku 50km Marathon	50,00	×1
68	16/6/2019	14. Okinoshima 50km Ultra Marathon	50,00	×1
69	25/11/2018	7th Yilan Dongshan River 50km Ultra-Marathon	50,00	×1
70	20/10/2018	3rd Iki 50 km Ultra Marathon	50,00	×1
71	23/9/2018	28. Akita Nairiku 50km Marathon	50,00	×1
72	17/6/2018	13. Okinoshima 50km Ultra Marathon	50,00	×1
73	21/10/2017	2nd Iki 50 km Ultra Marathon	50,00	×1
74	24/9/2017	27. Akita Nairiku 50km Marathon	50,00	×1
75	18/6/2017	12. Okinoshima 50km Ultra Marathon	50,00	×1
76	25/9/2016	26. Akita Nairiku 50km Marathon	50,00	×1
77	19/6/2016	11. Okinoshima 50km Ultra Marathon	50,00	×1
78	27/9/2015	25. Akita Nairiku 50km Marathon	50,00	×1
79	21/6/2015	10. Okinoshima 50km Ultra Marathon	50,00	×1
80	15/6/2014	9. Okinoshima 50km Ultra Marathon	50,00	×1
81	30/6/2013	28. Lake Saroma 50 km Ultramarathon	50,00	×1
82	16/6/2013	8. Okinoshima 50km Ultra Marathon	50,00	×1
83	6/10/2012	9th Echigo Kubikino 50km Ultramarathon	50,00	×1
84	19/8/2012	2nd North Okhotsk 50 km Marathon	50,00	×1
85	19/6/2011	6. Okinoshima 50km Ultra Marathon	50,00	×1
86	28/6/2009	24. Lake Saroma 50 km Ultramarathon	50,00	×1
87	21/6/2009	4. Okinoshima 50km Ultra Marathon	50,00	×1
88	6/7/2025	12th Naeba-Sanroku Geopark Tsunan Ultramarathon 48K	48,00	—
89	31/5/2025	5th Lake Suwa Ultra Marathon - 48 km	48,00	—
90	18/5/2024	4th Lake Suwa Ultra Marathon - 48 km	48,00	—
91	9/3/2019	9th Southern Cross-Island Highway 45 km Ultra Marathon	45,00	—
92	2/12/2017	3rd Muyeh Chihshang Ultramarathon	45,00	—
93	11/3/2017	7th Southern Cross-Island Highway 45 km Ultra Marathon	45,00	—
94	12/3/2016	6th Southern Cross-Island Highway 45 km Ultra Marathon	45,00	—