Shiho (廣澤志保) Hirosawa

Born : 1973 Cat. W50 Ultrarunner since 2011

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

100

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

15,8%

Rank quotient ?This runner's calculation uses 79 eligible race(s): Σ(rank − 1) = 4 210; Σ finishers = 26 578. 4 210 / 26 578 × 100 = 15.84%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed80

Km — ultra races14 149 km

> 100 km57

> 160 km40

> 200 km34

> 24h16

> 48h3

Longest race678,2 km

4th Hirosaki 6days Ultra Run — 23/5/2025

Km per year (ultra races)

1 613

2022

1 106

2023

1 943

2024

1 287

2025

210

2026

Race types (share of distance)

Road86,5%

Trail7,4%

Stage1,1%

Elim.5,1%

Wins & podiums (ultra)

🏆 Win7

🏆 Win F40

🏅 Top 312

🏅 Top 3 F57

Longest winning streak2

Current streak0

Records

100 km8h45'18 50 mi14h33'02 100 mi19h49'45 6 h65,63 km 24 h227,31 km 6 d678,16 km Backyard38 loops

HISTORY

80 race(s) · 2 stage(s) nested · 22 split(s) nested

Date		Race	Perf.	Rk
2026
23.05	12h	IAU 24h Asia and Oceania Championships - 12h Split	115.000 km	49
23.05	24h	IAU 24h Asia and Oceania Championships	209.945 km	31
2025
19.07	266km	9th Michinoku Tsugaru Journey Run 266K	40:20:14 h	1 🏆
23.05	6d	4th Hirosaki 6days Ultra Run	678.159 km	11
29–30.03	149km/2stages	2nd Modern Japanese Silk Road Journey Run	16:01:20 h	4
29.03	78km	2nd Modern Japanese Silk Road Journey Run - Stage 1	7:58:57 h	4
30.03	71km	2nd Modern Japanese Silk Road Journey Run - Stage 2	8:02:23 h	5
08.03	24h	16th Jingu Gaien 24 Hour Challenge	193.975 km	23
08.03	6h	16th Jingu Gaien 24 Hour Challenge - 6h Split	62.254 km	40
08.03	12h	16th Jingu Gaien 24 Hour Challenge -12h Split	115.237 km	25
2024
30.11	24h	22nd Soochow/Taipei 24h Ultramarathon	227.312 km	9
30.11	100km	22nd Soochow/Taipei 24h Ultramarathon - 100km Split	10:01:40 h	19
30.11	12h	22nd Soochow/Taipei 24h Ultramarathon - 12h Split	118.000 km	16
30.11	100mi	22nd Soochow/Taipei 24h Ultramarathon - 100mi Split	16:45:20 h	13
01.11	Backyard Ultra	5th Last Samurai Standing Backyard Ultra - Fukushima	254.828 km (38h)	6
14.09	250km	7th Utsukushima Fukushima Journey Run 250K	35:12:04 h	3 🥉
23.08	210km	1st Donan Story Journey Run	26:48:30 h	1 🏆
13.07	266km	8th Michinoku Tsugaru Journey Run 266K	35:56:05 h	1 🏆
30.04	514km	19th River Road Foot Race 514 km	3d 19:38:14 h	4
09.03	24h	1st Miyakojima Ultra Track Race 24-hour run	220.446 km	3 🥉
2023
23.11	Backyard Ultra	4th Last Samurai Standing Backyard Ultra - Fukushima	234.710 km (35h)	9
28.10	73km	2nd Kosaka Pass Ultra Run	8:20:07 h	1 🏆
15.07	266km	7th Michinoku Tsugaru Journey Run 263K	42:51:28 h	4
27.05	24h	2nd Hirosaki 24h Ultra Run	101.250 km	62
11.03	24h	15th Jingu Gaien 24 Hour Challenge	217.802 km	15
11.03	6h	15th Jingu Gaien 24 Hour Challenge - 6h Split	64.876 km	25
11.03	12h	15th Jingu Gaien 24 Hour Challenge -12h Split	121.808 km	19
11.02	24h	12th Taipei 24hr Ultra Marathon	213.491 km	5
11.02	100km	12th Taipei 24hr Ultra Marathon - 100km Split	10:02:55 h	9
11.02	12h	12th Taipei 24hr Ultra Marathon - 12h Split	115.580 km	8
11.02	100mi	12th Taipei 24hr Ultra Marathon - 100mi Split	17:41:26 h	7
2022
19.11	Backyard Ultra	3rd Last Samurai Standing Backyard Ultra - Fukushima	228.004 km (34h)	3 🥉
17.09	251km	5th Utsukushima Fukushima Journey Run 251K	32:42:50 h	1 🏆
16.07	266km	6th Michinoku Tsugaru Journey Run 263K	36:37:00 h	4
30.04	513km	17th River Road Foot Race 513 km	3d 17:32:44 h	7
02.04	155km	2nd Tone River Run Up Journey Run Downstream	18:04:00 h	1 🏆
09.01	200km	2nd Japan Trophy 200	21:51:00 h	10
2021
16.10	120km	1st Tone River Run Up Journey Run Upstream	13:50:00 h	3 🥉
09.10	155km	1st Tone River Run Up Journey Run Downstream	18:41:00 h	3 🥉
2020
24.10	146km	2nd Autumn leaves in Okumusashi / Chichibu Journey run	15:10:56 h	5
19.09	123km	3rd Utsukushima Fukushima Journey Run 123K	12:50:00 h	5
05.07	8h	26th 8-Hour Endurance Race Tokorozawa	83.300 km	14
22.02	206km	10th Little Edo Oedo 205k	27:45:36 h	26
2019
02.11	145km	1st Autumn leaves in Okumusashi / Chichibu Journey run	16:32:04 h	6
14.09	251km	2nd Utsukushima Fukushima Journey Run 250K	38:44:12 h	10
13.07	263km	4th Michinoku Tsugaru Journey Run 263K	36:26:18 h	9
15.06	161.6km	1st Nikko Sennin Concentric Journey Run	19:49:45 h	4
02.06	78km	26. Ultramarathon Okumusashi	7:49:15 h	188
20.04	250km	26. Sakura Michi Kokusai Nature Run	26:51:00 h	6
23.02	204km	9th Little Edo Oedo 200k	24:39:54 h	6
16.02	24h	8th Taipei 24hr Ultra Marathon	213.457 km	11
16.02	50km	8th Taipei 24hr Ultra Marathon - 50km Split	4:47:35 h	24
16.02	6h	8th Taipei 24hr Ultra Marathon - 6h Split	61.659 km	23
16.02	50mi	8th Taipei 24hr Ultra Marathon - 50mi Split	8:11:40 h	26
16.02	100km	8th Taipei 24hr Ultra Marathon - 100km Split	10:47:28 h	31
16.02	12h	8th Taipei 24hr Ultra Marathon - 12h Split	110.058 km	29
16.02	100mi	8th Taipei 24hr Ultra Marathon - 100mi Split	18:19:21 h	18
2018
10.11	24h	13th Jingu Gaien 24 Hour Challenge	193.207 km	35
15.09	250km	1st Utsukushima Fukushima Journey Run 250K	42:18:13 h	13
14.07	263km	3rd Michinoku Tsugaru Journey Run 263K	46:13:54 h	31
03.06	78km	25. Ultramarathon Okumusashi	9:04:09 h	369
03.05	254km	14th River Road Foot Race 254 km	47:23:55 h	26
21.04	250km	25. Sakura Michi Kokusai Nature Run	35:23:00 h	65
03.03	204km	8th Little Edo Oedo 200k	25:15:20 h	9
10.02	24h	7th Taipei 24hr Ultra Marathon	201.530 km	7
10.02	50km	7th Taipei 24hr Ultra Marathon - 50km Split	5:16:24 h	27
10.02	6h	7th Taipei 24hr Ultra Marathon - 6h Split	57.018 km	21
10.02	50mi	7th Taipei 24hr Ultra Marathon - 50mi Split	8:38:53 h	17
10.02	100km	7th Taipei 24hr Ultra Marathon - 100km Split	10:55:00 h	13
10.02	12h	7th Taipei 24hr Ultra Marathon - 12h Split	108.069 km	14
10.02	100mi	7th Taipei 24hr Ultra Marathon - 100mi Split	19:08:57 h	7
2017
10.12	71.7km	4th Izu Trail Journey	12:32:58 h	689
11.11	24h	12th Jingu Gaien 24 Hour Challenge	204.298 km	30
15.10	100km	6th Noto Peninsula 100 km Ultra Marathon	8:52:22 h	7
15.07	250km	2nd Michinoku Tsugaru Journey Run 250K	43:23:38 h	23
11.06	100km	13th Iwate Ginga 100km Marathon Challenge	8:45:18 h	26
22.04	250km	24. Sakura Michi Kokusai Nature Run	28:49:00 h	11
04.03	204km	7th Little Edo Oedo 200k	24:17:04 h	13
2016
17.12	24h	11th Jingu Gaien 24 Hour Challenge	195.603 km	36
18.09	144km	19th Karisakatoge beyond Chichibu Run	19:38:29 h	20
17.07	200km	1st Michinoku Tsugaru Journey Run 200K	25:25:36 h	5
05.06	78km	23. Ultramarathon Okumusashi	7:32:21 h	152
24.04	118km	26th Fuji 5 Lakes 118 km Challenge	10:36:33 h	21
05.03	91km	6th Little Edo 91km	8:24:12 h	1 🏆
2015
26.09	76.7km	4th Shizuoka to Yamanashi	16:37:11 h	360
20.09	153km	18th Karisakatoge beyond Chichibu Run	18:48:23 h	8
19.07	65km	6th Nozawa Onsen 4100D Mountain Trail	10:04:28 h	43
22.06	77km	22. Ultramarathon Okumusashi	7:32:45 h	152
19.04	118km	25th Fuji 5 Lakes 118 km Challenge	11:04:46 h	17
2014
14.09	142km	17th Karisakatoge beyond Chichibu Run	19:06:25 h	33
27.07	77km	21. Ultramarathon Okumusashi	8:54:32 h	210
05.07	80km	4th Utsukushigahara 80 km Trail Run	14:33:02 h	176
20.04	108km	24th Fuji 5 Lakes 108 km Challenge	9:55:13 h	18
2013
15.09	142km	16th Karisakatoge beyond Chichibu Run	17:59:39 h	17
28.07	77km	20. Ultramarathon Okumusashi	8:04:17 h	213
30.06	100km road race	28. Lake Saroma 100 km Ultramarathon	9:05:41 h	130
15.06	6h	12. Tokyo Challenge 6 hours	62.470 km	10
21.04	112km	23rd Fuji 5 Lakes 112 km Challenge	10:27:52 h	7
2012
21.10	100km	18th River Shimanto 100km	9:08:14 h	43
05.08	77km	19. Ultramarathon Okumusashi	9:11:11 h	352
22.04	112km	22nd Fuji 5 Lakes 112 km Challenge	10:12:20 h	14
2011
16.10	100km	17th River Shimanto 100km	10:00:38 h	119
10.07	8h	17th 8-Hour Endurance Race Tokorozawa	45.444 km	241
11.06	6h	10. Tokyo Challenge 6 hours	65.629 km	22

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	23/5/2025	4th Hirosaki 6days Ultra Run	678,16	×6
✓ 2	30/4/2024	19th River Road Foot Race 514 km	514,00	×5
✓ 3	30/4/2022	17th River Road Foot Race 513 km	513,00	×5
✓ 4	19/7/2025	9th Michinoku Tsugaru Journey Run 266K	266,00	×2
✓ 5	13/7/2024	8th Michinoku Tsugaru Journey Run 266K	266,00	×2
✓ 6	15/7/2023	7th Michinoku Tsugaru Journey Run 263K	266,00	×2
✓ 7	16/7/2022	6th Michinoku Tsugaru Journey Run 263K	266,00	×2
✓ 8	13/7/2019	4th Michinoku Tsugaru Journey Run 263K	263,00	×2
✓ 9	14/7/2018	3rd Michinoku Tsugaru Journey Run 263K	263,00	×2
✓ 10	1/11/2024	5th Last Samurai Standing Backyard Ultra - Fukushima	254,83	×2
✓ 11	3/5/2018	14th River Road Foot Race 254 km	254,00	×2
✓ 12	17/9/2022	5th Utsukushima Fukushima Journey Run 251K	251,00	×2
✓ 13	14/9/2019	2nd Utsukushima Fukushima Journey Run 250K	251,00	×2
✓ 14	14/9/2024	7th Utsukushima Fukushima Journey Run 250K	250,00	×2
✓ 15	20/4/2019	26. Sakura Michi Kokusai Nature Run	250,00	×2
✓ 16	15/9/2018	1st Utsukushima Fukushima Journey Run 250K	250,00	×2
✓ 17	21/4/2018	25. Sakura Michi Kokusai Nature Run	250,00	×2
✓ 18	15/7/2017	2nd Michinoku Tsugaru Journey Run 250K	250,00	×2
✓ 19	22/4/2017	24. Sakura Michi Kokusai Nature Run	250,00	×2
✓ 20	23/11/2023	4th Last Samurai Standing Backyard Ultra - Fukushima	234,71	×2
✓ 21	19/11/2022	3rd Last Samurai Standing Backyard Ultra - Fukushima	228,00	×2
✓ 22	30/11/2024	22nd Soochow/Taipei 24h Ultramarathon	227,31	×2
✓ 23	9/3/2024	1st Miyakojima Ultra Track Race 24-hour run	220,45	×2
✓ 24	11/3/2023	15th Jingu Gaien 24 Hour Challenge	217,80	×2
✓ 25	11/2/2023	12th Taipei 24hr Ultra Marathon	213,49	×2
✓ 26	16/2/2019	8th Taipei 24hr Ultra Marathon	213,46	×2
✓ 27	23/8/2024	1st Donan Story Journey Run	210,00	×2
✓ 28	23/5/2026	IAU 24h Asia and Oceania Championships	209,95	×2
✓ 29	22/2/2020	10th Little Edo Oedo 205k	206,00	×2
✓ 30	11/11/2017	12th Jingu Gaien 24 Hour Challenge	204,30	×2
✓ 31	23/2/2019	9th Little Edo Oedo 200k	204,00	×2
✓ 32	3/3/2018	8th Little Edo Oedo 200k	204,00	×2
✓ 33	4/3/2017	7th Little Edo Oedo 200k	204,00	×2
✓ 34	10/2/2018	7th Taipei 24hr Ultra Marathon	201,53	×2
✓ 35	9/1/2022	2nd Japan Trophy 200	200,00	×2
✓ 36	17/7/2016	1st Michinoku Tsugaru Journey Run 200K	200,00	×2
✓ 37	17/12/2016	11th Jingu Gaien 24 Hour Challenge	195,60	×1
✓ 38	8/3/2025	16th Jingu Gaien 24 Hour Challenge	193,98	×1
✓ 39	10/11/2018	13th Jingu Gaien 24 Hour Challenge	193,21	×1
✓ 40	15/6/2019	1st Nikko Sennin Concentric Journey Run	161,60	×1
✓ 41	2/4/2022	2nd Tone River Run Up Journey Run Downstream	155,00	×1
✓ 42	9/10/2021	1st Tone River Run Up Journey Run Downstream	155,00	×1
✓ 43	20/9/2015	18th Karisakatoge beyond Chichibu Run	153,00	×1
✓ 44	29/3/2025	2nd Modern Japanese Silk Road Journey Run	149,00	×1
✓ 45	24/10/2020	2nd Autumn leaves in Okumusashi / Chichibu Journey run	146,00	×1
✓ 46	2/11/2019	1st Autumn leaves in Okumusashi / Chichibu Journey run	145,00	×1
✓ 47	18/9/2016	19th Karisakatoge beyond Chichibu Run	144,00	×1
✓ 48	14/9/2014	17th Karisakatoge beyond Chichibu Run	142,00	×1
✓ 49	15/9/2013	16th Karisakatoge beyond Chichibu Run	142,00	×1
✓ 50	19/9/2020	3rd Utsukushima Fukushima Journey Run 123K	123,00	×1
✓ 51	16/10/2021	1st Tone River Run Up Journey Run Upstream	120,00	×1
✓ 52	24/4/2016	26th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 53	19/4/2015	25th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 54	21/4/2013	23rd Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 55	22/4/2012	22nd Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 56	20/4/2014	24th Fuji 5 Lakes 108 km Challenge	108,00	×1
✓ 57	27/5/2023	2nd Hirosaki 24h Ultra Run	101,25	×1
✓ 58	15/10/2017	6th Noto Peninsula 100 km Ultra Marathon	100,00	×1
✓ 59	11/6/2017	13th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 60	30/6/2013	28. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 61	21/10/2012	18th River Shimanto 100km	100,00	×1
✓ 62	16/10/2011	17th River Shimanto 100km	100,00	×1
✓ 63	5/3/2016	6th Little Edo 91km	91,00	—
✓ 64	5/7/2020	26th 8-Hour Endurance Race Tokorozawa	83,30	—
✓ 65	5/7/2014	4th Utsukushigahara 80 km Trail Run	80,00	—
✓ 66	2/6/2019	26. Ultramarathon Okumusashi	78,00	—
✓ 67	3/6/2018	25. Ultramarathon Okumusashi	78,00	—
✓ 68	5/6/2016	23. Ultramarathon Okumusashi	78,00	—
✓ 69	22/6/2015	22. Ultramarathon Okumusashi	77,00	—
✓ 70	27/7/2014	21. Ultramarathon Okumusashi	77,00	—
✓ 71	28/7/2013	20. Ultramarathon Okumusashi	77,00	—
✓ 72	5/8/2012	19. Ultramarathon Okumusashi	77,00	—
✓ 73	26/9/2015	4th Shizuoka to Yamanashi (STY)	76,70	—
74	28/10/2023	2nd Kosaka Pass Ultra Run	73,00	—
75	10/12/2017	4th Izu Trail Journey	71,70	—
76	11/6/2011	10. Tokyo Challenge 6 hours	65,63	—
77	19/7/2015	6th Nozawa Onsen 4100D Mountain Trail	65,00	—
78	15/6/2013	12. Tokyo Challenge 6 hours	62,47	—
79	10/7/2011	17th 8-Hour Endurance Race Tokorozawa	45,44	—