Kazuhiko (服部和彦) Hattori
ID 708782
Born : 1964 Cat. M60 Ultrarunner since 1998 JPN
57
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
97
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
1
Countries visited ?JPNJapan
83,7%
Rank quotient ?This runner's calculation uses 58 eligible race(s): Σ(rank − 1) = 8 317; Σ finishers = 9 939. 8 317 / 9 939 × 100 = 83.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed61
Km — ultra races10 840 km
> 100 km38
> 160 km21
> 200 km17
> 24h1
Longest race572,0 km
Across Honshu R9 Foot Race — 13/5/2019

Km per year (ultra races)

1 331
3 races
2022
1 092
5 races
2023
740
3 races
2024
2025
382
2 races
2026

Race types (share of distance)

Road96,2%
Stage3,8%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M5
Longest winning streak1
Current streak0

Records

100 km12h17'47100 mi28h48'0024 h111,00 km

HISTORY

58 race(s) · 2 stage(s) nested
DateRacePerf.Rk
2026
05.05 175km JPN5th Reiheishi Michi Kyoto to Nikko - 175 km 3d 11:27:37 h13
29.04 207km JPN5th Reiheishi Michi Kyoto to Nikko - 207 km 4d 03:57:02 h14
2024
16.05 432.7km JPNAcross Honshu R7 Foot Race 7d 18:40:05 h4
27.04 207km JPN3rd Reiheishi Michi Kyoto to Nikko - 207 km 4d 05:47:13 h18
06.04 100km JPN3rd Yagurazawa Round Trip Pre-Tournament 21:52:34 h34
2023
18.11 130km JPN1st Mito Kaido Journey run 25:51:06 h142
21.10 120km JPN7th Santo Ultra Maranic - Keihan Course 24:44:00 h14
28.04 207km JPN2nd Reiheishi Michi Kyoto to Nikko - 207 km 4d 06:09:52 h10
23.04 535km JPNAcross Honshu R8 Foot Race 9d 21:12:17 h11
09.04 100km JPN6th Lake Biwa Kaizu Sakura Maranic - 100 km 19:27:00 h23
2022
15.10 432.7km JPNAcross Honshu R7 Foot Race - reverse direction 8d 19:56:00 h2 🥈
17.09 535km JPNAcross Honshu R8 Foot Race - reverse direction 9d 22:24:00 h2 🥈
02.05 363km JPN1st Reiheishi Michi Kyoto to Nikko - 363 km 8d 11:15:00 h5
2021
26.11 103km JPN1st Tachibana Bay 273 Autumn Shimabara 17:44:10 h96
23.04 430km JPNAcross Honshu R7 Foot Race 8d 11:57:00 h15
23.04 430km JPNAcross Honshu R7 Foot Race 8d 12:29:00 h16
10.04 100km JPN4th Lake Biwa Kaizu Sakura Maranic - 100 km 19:00:00 h19
2020
09.10 430km JPNAcross Honshu R7 Foot Race 8d 23:06:00 h7
18.07 521km JPNAcross Honshu R8 Foot Race 9d 07:25:00 h8
12.01 100km JPN5th Yakushima Ultramarathon 100 km 15:37:07 h218
2019
14.09 122km JPN2nd Utsukushima Fukushima Journey Run 122K 21:13:34 h38
13.07 177km JPN4th Michinoku Tsugaru Journey Run 177K 36:45:48 h122
02.06 100km JPN2nd Nanto 100 km Ultramarathon 14:32:11 h261
19.05 100km JPN7th Tokyo Shibamata 100 km 13:44:44 h1218
13.05 572km JPNAcross Honshu R9 Foot Race 10d 14:08:00 h4
21.04 100km JPN11th 100 km Ultra Maranic Osaka 14:25:28 h450
16–17.03 136km/2stages JPN7th Arakawa Riverside Journey Stage Race 19:49:51 h58
20.01 100km JPN29th Miyako 100 km Ultramarathon 13:59:11 h336
2018
01.12 120km JPN3rd Santo Ultra Maranic - Hanshin Course 19:57:00 h17
02.11 105km JPNTachibana Bay Coast 105 Ultra Marathon 16:52:40 h217
20.10 100km JPN3rd Iki 100 km Ultra Marathon 13:55:48 h317
15.09 122km JPN1st Utsukushima Fukushima Journey Run 122K 22:55:00 h78
02.07 430km JPNAcross Honshu R7 Foot Race 8d 12:45:00 h4
22.04 100km JPN10th 100 km Ultra Maranic Osaka 14:52:35 h462
14.01 100km JPN3rd Yakushima Ultramarathon 15:33:26 h91
2017
02.12 120km JPN2nd Santo Ultra Maranic - Hanshin Course 19:53:00 h10
01.10 100km JPN1st Yasaka Ultra Marathon in Hamada - 100 km 15:39:55 h101
15.07 200km JPN2nd Michinoku Tsugaru Journey Run 200K 38:53:57 h75
15.04 102km JPN3rd Okuizumo Ultra Orochi 100km Tooashi 15:35:15 h324
05.03 100km JPN3rd Nagoura Marathon 100 km 13:51:05 h129
08.01 100km JPN2nd Yakushima Ultramarathon 15:20:00 h92
2016
18.12 100km JPN1st Okinawa 100km Ultramarathon 13:56:50 h332
04.11 103km JPNTachibana Bay Coast 100 Ultra Marathon 16:39:13 h187
04.05 129km JPN10th Nagasaki Tachibana Gulf Coast Super Maranic 173 22:32:37 h165
06.03 100km JPN2nd Nagoura Marathon 100 km 14:40:52 h238
2015
18.10 100km JPN4th Noto Peninsula 100 km Ultra Marathon 13:49:03 h293
12.09 160km JPN7th Biwako Tourism Ultramannic 160 km 28:48:00 h3 🥉
06.06 100km JPN3rd Tokyo Shibamata 100 km 13:36:11 h1060
04.05 173km JPN9th Nagasaki Tachibana Gulf Coast Super Maranic 173 32:30:30 h139
28.03 100km JPN11th Izu Oshima Ultra 100 km 13:23:32 h152
28.02 112km JPN5th Oedo Night run 112k 18:24:09 h89
2014
22.11 103km JPNTachibana Bay Coast 100 Ultra Marathon 16:48:30 h179
2006
17.09 100km JPN6th Tango 100 km Ultramarathon 12:17:47 h180
2002
29.12 275km/4stages JPN1st Kumano Road Stage Run (4 Stages) 2d 05:05:00 h1 🏆
2001
02.05 250km JPN13. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 47:48:06 h104
2000
02.05 250km JPN12. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 47:51:38 h89
1998
03.05 140km JPN10. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 23:18:40 h53
21.03 24h JPNTokyo Gakugei University 24-hour experimental run 111.000 km36