Tatsuo (林達雄) Hayashi

ID 194236

Born : 1965 Cat. M60 Ultrarunner since 2011

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

37,7%

Rank quotient ?This runner's calculation uses 67 eligible race(s): Σ(rank − 1) = 5 877; Σ finishers = 15 604. 5 877 / 15 604 × 100 = 37.66%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed67

Km — ultra races10 920 km

> 100 km46

> 160 km22

> 200 km17

> 24h9

Longest race520,0 km

11th River Road Foot Race 520 km — 30/4/2015

Km per year (ultra races)

754

2022

1 189

2023

331

2024

798

2025

840

2026

Race types (share of distance)

Road95,0%

Trail5,0%

Wins & podiums (ultra)

🏆 Win3

🏆 Win M3

🏅 Top 35

🏅 Top 3 M6

Longest winning streak1

Current streak0

Records

100 km10h34'09 50 mi11h12'00 100 mi25h47'56 24 h218,38 km

HISTORY

67 race(s) · 6 split(s) nested

Date		Race	Perf.	Rk
2026
05.07	64km	13th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K	9:40:27 h	52
30.04	516km	21st River Road Foot Race 516 km	5d 06:34:14 h	41
11.04	100km	5th Yagurazawa Round Trip Pre-Tournament	16:58:14 h	12
28.03	160km	1st Shinkun Iga-goe Route Journey Run	25:47:56 h	38
2025
22.08	101km	12th World Cultural Heritage "Fuji" Foot Race	14:24:25 h	86
30.04	516km	20th River Road Foot Race 514 km	5d 08:31:03 h	63
08.03	24h	16th Jingu Gaien 24 Hour Challenge	180.564 km	37
08.03	6h	16th Jingu Gaien 24 Hour Challenge - 6h Split	62.254 km	38
08.03	12h	16th Jingu Gaien 24 Hour Challenge -12h Split	104.640 km	42
2024
20.10	70km	31. Ultramarathon Okumusashi	8:44:48 h	287
23.08	101km	11th World Cultural Heritage "Fuji" Foot Race	14:49:51 h	90
06.04	160km	3rd Yagurazawa Round Trip Pre-Tournament	26:38:59 h	43
2023
01.10	64km	10th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K	7:29:17 h	14
18.08	101km	10th World Cultural Heritage "Fuji" Foot Race	13:17:39 h	38
17.06	159km	4th Nikko Sennin Concentric Highway Journey Run	27:27:25 h	13
30.04	513km	18th River Road Foot Race 513 km	4d 23:46:23 h	32
15.04	160km	2nd Yagurazawa Round Trip Pre-Tournament	29:08:32 h	24
11.03	24h	15th Jingu Gaien 24 Hour Challenge	192.039 km	30
11.03	6h	15th Jingu Gaien 24 Hour Challenge - 6h Split	58.256 km	42
11.03	12h	15th Jingu Gaien 24 Hour Challenge -12h Split	108.568 km	36
2022
15.10	150km	1st Yagurazawa Round Trip Pre-Tournament	25:41:58 h	20
20.08	101km	9th World Cultural Heritage "Fuji" Foot Race	14:20:32 h	48
16.04	150km	0st Yagurazawa Round Trip Pre-Tournament	23:32:00 h	4
09.04	71km	17th Toda Saiko 70 km	8:20:56 h	93
21.03	81.6km	10th Arakawa Riverside Journey - 81.6 km	11:12:00 h	23
12.03	200km	12th Little Edo Oedo 200k	30:18:32 h	43
2021
06.11	128km	2nd Tokyo Great Race 128km	16:41:52 h	2 🥈
10.04	70km	16th Toda Saiko 70 km	7:05:58 h	175
2020
22.08	101km	8th World Cultural Heritage "Fuji" Foot Race	13:08:06 h	19
22.02	235km	10th Little Edo Oedo 235k	31:47:03 h	20
2019
17.08	101km	7th World Cultural Heritage "Fuji" Foot Race	14:46:45 h	69
2018
01.09	115k	2nd Miyagi Yumeguri Ultra Marathon - 115 km	14:09:48 h	15
19.08	101km	6th World Cultural Heritage "Fuji" Foot Race	11:43:00 h	10
03.05	254km	14th River Road Foot Race 254 km	44:54:07 h	17
21.04	250km	25. Sakura Michi Kokusai Nature Run	32:45:00 h	29
2017
11.11	24h	12th Jingu Gaien 24 Hour Challenge	214.469 km	20
30.09	24h	2nd Coedo Kawagoe Running Fest 24-hours run	186.620 km	5
09.09	24h	20. Hiratsuka 24 hour race	119.370 km	42
20.08	97km	5th World Cultural Heritage "Fuji" Foot Race	9:50:00 h	1 🏆
02.07	8h	23th 8-Hour Endurance Race Tokorozawa - 3 tai	68.166 km	24
02.06	198km	17th Taiyou No Michi 200km	35:51:00 h	1 🏆
04.03	204km	7th Little Edo Oedo 200k	23:50:53 h	12
2016
17.12	24h	11th Jingu Gaien 24 Hour Challenge	218.375 km	21
01.10	24h	1st Coedo Kawagoe Running Fest 24-hours run	212.300 km	1 🏆
18.09	144km	19th Karisakatoge beyond Chichibu Run	21:02:40 h	30
03.07	8h	22th 8-Hour Endurance Race Tokorozawa - 3 tai	81.150 km	3 🥉
05.03	204km	6th Little Edo Oedo 200k	27:07:37 h	17
2015
19.12	24h	10th Jingu Gaien 24 Hour Challenge	204.288 km	22
20.09	153km	18th Karisakatoge beyond Chichibu Run	20:43:38 h	20
23.08	97km	3rd World Cultural Heritage "Fuji" Foot Race	11:47:00 h	6
12.07	8h	21st 8-Hour Endurance Race Tokorozawa	69.153 km	35
22.06	77km	22. Ultramarathon Okumusashi	9:44:06 h	773
30.04	520km	11th River Road Foot Race 520 km	5d 09:31:32 h	42
19.04	100km	25th Fuji 5 Lakes 100 km Challenge	10:34:09 h	192
28.03	100km	11th Izu Oshima Ultra 100 km	12:43:18 h	92
28.02	203km	5th Little Edo Oedo 200k	26:34:22 h	24
2014
08.11	24h	9th Jingu Gaien 24 Hour Challenge	154.974 km	59
08.11	6h	9th Jingu Gaien 24 Hour Challenge - 6h Split	64.903 km	23
08.11	12h	9th Jingu Gaien 24 Hour Challenge -12h Split	121.860 km	18
27.07	77km	21. Ultramarathon Okumusashi	10:49:53 h	699
18.05	100km	20th Yatsugatake Nobeyama 100 km	13:37:51 h	896
30.04	520km	10th River Road Foot Race 520 km	5d 03:29:06 h	25
20.04	108km	24th Fuji 5 Lakes 108 km Challenge	11:35:43 h	102
01.03	112km	4th Oedo Night run 112k	15:59:05 h	20
2013
15.09	142km	16th Karisakatoge beyond Chichibu Run	19:22:44 h	25
24.08	101km	1st World Cultural Heritage "Fuji" Foot Race	12:36:10 h	12
19.05	100km	19th Yatsugatake Nobeyama 100 km	12:02:53 h	311
03.05	255km	9th River Road Foot Race 255 km	2d 02:38:33 h	12
02.03	203km	3rd Little Edo Oedo 200k	33:49:34 h	86
2012
16.09	143km	15th Karisakatoge beyond Chichibu Run	21:13:00 h	43
20.05	100km	18th Yatsugatake Nobeyama 100 km	12:50:25 h	461
2011
30.04	112km	21st Fuji 5 Lakes 112 km Challenge	13:54:16 h	274
09.04	70km	6th Toda Saiko 70 km	6:51:39 h	49

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	30/4/2015	11th River Road Foot Race 520 km	520,00	×5
✓ 2	30/4/2014	10th River Road Foot Race 520 km	520,00	×5
✓ 3	30/4/2026	21st River Road Foot Race 516 km	516,00	×5
✓ 4	30/4/2025	20th River Road Foot Race 514 km	516,00	×5
✓ 5	30/4/2023	18th River Road Foot Race 513 km	513,00	×5
✓ 6	3/5/2013	9th River Road Foot Race 255 km	255,00	×2
✓ 7	3/5/2018	14th River Road Foot Race 254 km	254,00	×2
✓ 8	21/4/2018	25. Sakura Michi Kokusai Nature Run	250,00	×2
✓ 9	22/2/2020	10th Little Edo Oedo 235k	235,00	×2
✓ 10	17/12/2016	11th Jingu Gaien 24 Hour Challenge	218,38	×2
✓ 11	11/11/2017	12th Jingu Gaien 24 Hour Challenge	214,47	×2
✓ 12	1/10/2016	1st Coedo Kawagoe Running Fest 24-hours run	212,30	×2
✓ 13	19/12/2015	10th Jingu Gaien 24 Hour Challenge	204,29	×2
✓ 14	4/3/2017	7th Little Edo Oedo 200k	204,00	×2
✓ 15	5/3/2016	6th Little Edo Oedo 200k	204,00	×2
✓ 16	28/2/2015	5th Little Edo Oedo 200k	203,00	×2
✓ 17	2/3/2013	3rd Little Edo Oedo 200k	203,00	×2
✓ 18	12/3/2022	12th Little Edo Oedo 200k	200,00	×2
✓ 19	2/6/2017	17th Taiyou No Michi 200km	198,00	×2
✓ 20	11/3/2023	15th Jingu Gaien 24 Hour Challenge	192,04	×2
✓ 21	30/9/2017	2nd Coedo Kawagoe Running Fest 24-hours run	186,62	×2
✓ 22	8/3/2025	16th Jingu Gaien 24 Hour Challenge	180,56	×2
✓ 23	28/3/2026	1st Shinkun Iga-goe Route Journey Run	160,00	×1
✓ 24	6/4/2024	3rd Yagurazawa Round Trip Pre-Tournament	160,00	×1
✓ 25	15/4/2023	2nd Yagurazawa Round Trip Pre-Tournament	160,00	×1
✓ 26	17/6/2023	4th Nikko Sennin Concentric Highway Journey Run	159,00	×1
✓ 27	8/11/2014	9th Jingu Gaien 24 Hour Challenge	154,97	×1
✓ 28	20/9/2015	18th Karisakatoge beyond Chichibu Run	153,00	×1
✓ 29	15/10/2022	1st Yagurazawa Round Trip Pre-Tournament	150,00	×1
✓ 30	16/4/2022	0st Yagurazawa Round Trip Pre-Tournament	150,00	×1
✓ 31	18/9/2016	19th Karisakatoge beyond Chichibu Run	144,00	×1
✓ 32	16/9/2012	15th Karisakatoge beyond Chichibu Run	143,00	×1
✓ 33	15/9/2013	16th Karisakatoge beyond Chichibu Run	142,00	×1
✓ 34	6/11/2021	2nd Tokyo Great Race 128km	128,00	×1
✓ 35	9/9/2017	20. Hiratsuka 24 hour race	119,37	×1
✓ 36	1/3/2014	4th Oedo Night run 112k	112,00	×1
✓ 37	30/4/2011	21st Fuji 5 Lakes 112 km Challenge	112,00	×1
✓ 38	20/4/2014	24th Fuji 5 Lakes 108 km Challenge	108,00	×1
✓ 39	22/8/2025	12th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 40	23/8/2024	11th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 41	18/8/2023	10th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 42	20/8/2022	9th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 43	22/8/2020	8th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 44	17/8/2019	7th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 45	19/8/2018	6th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 46	24/8/2013	1st World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 47	11/4/2026	5th Yagurazawa Round Trip Pre-Tournament	100,00	×1
✓ 48	19/4/2015	25th Fuji 5 Lakes 100 km Challenge	100,00	×1
✓ 49	28/3/2015	11th Izu Oshima Ultra 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	20/5/2012	18th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 53	20/8/2017	5th World Cultural Heritage "Fuji" Foot Race	97,00	×1
✓ 54	23/8/2015	3rd World Cultural Heritage "Fuji" Foot Race	97,00	×1
✓ 55	21/3/2022	10th Arakawa Riverside Journey - 81.6 km	81,60	—
✓ 56	3/7/2016	22th 8-Hour Endurance Race Tokorozawa - 3 tai	81,15	—
✓ 57	22/6/2015	22. Ultramarathon Okumusashi	77,00	—
✓ 58	27/7/2014	21. Ultramarathon Okumusashi	77,00	—
✓ 59	9/4/2022	17th Toda Saiko 70 km	71,00	—
✓ 60	20/10/2024	31. Ultramarathon Okumusashi	70,00	—
✓ 61	10/4/2021	16th Toda Saiko 70 km	70,00	—
✓ 62	9/4/2011	6th Toda Saiko 70 km	70,00	—
✓ 63	12/7/2015	21st 8-Hour Endurance Race Tokorozawa	69,15	—
✓ 64	2/7/2017	23th 8-Hour Endurance Race Tokorozawa - 3 tai	68,17	—
65	5/7/2026	13th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K	64,00	—
66	1/10/2023	10th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K	64,00	—