Shizuo (河村静男) Kawamura
ID 221593
Born : 1957 Cat. M65 Ultrarunner since 2011 JPN
42
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
52,0%
Rank quotient ?This runner's calculation uses 42 eligible race(s): Σ(rank − 1) = 11 436; Σ finishers = 21 979. 11 436 / 21 979 × 100 = 52.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed42
Km — ultra races3 613 km
> 100 km2
> 24h1
Longest race150,0 km
2nd Biwako 24 — 28/3/2026

Km per year (ultra races)

419
5 races
2022
407
5 races
2023
438
5 races
2024
314
4 races
2025
250
2 races
2026

Race types (share of distance)

Road97,2%
Trail2,8%

Records

50 km5h27'52100 km11h35'1824 h150,00 km

HISTORY

42 race(s)
DateRacePerf.Rk
2026
31.05 100km JPN1st Nara Ultra Marathon 14:11:18 h1877
28.03 24h JPN2nd Biwako 24 150.000 km28
2025
05.10 100km JPN6th Mine Akiyoshidai Geopark Ultra Marathon 13:43:39 h78
06.07 64km JPN12th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 7:56:06 h10
23.05 100km JPN4th Hirosaki 100 km Ultra Run 12:02:58 h28
20.04 50km JPN6th Yamadera Zao 50 km Ultra Marathon 6:01:55 h23
2024
15.12 100km JPN7th Okinawa 100km Ultramarathon 12:27:31 h264
13.10 50km JPN15th Echigo Kubikino 50km Ultramarathon 5:52:32 h104
29.09 88km JPN27th Muraoka 88 km Ultra Marathon 10:59:22 h27
26.05 100km JPN30th Ebisu-Daikoku 100 km Marathon 13:19:23 h181
04.02 100km JPN3rd Amami yori yori Run 13:08:47 h18
2023
10.12 100km JPN4th Tobishima Ultra Marathon 12:08:41 h62
24.09 100km JPN31. Akita Nairiku 100km Marathon 12:09:37 h251
09.07 75km JPN1st Mt. Gassan Foot Ultra Marathon 9:37:18 h52
27.05 62km JPN11th Tojinbo 62 km Ultramarathon 7:21:12 h45
15.04 70km JPN2nd Atsumi Peninsula Ultra Nature Run - 70km 8:11:23 h60
2022
09.10 100km JPN14th Echigo Kubikino 100km Ultramarathon 12:29:02 h433
12.06 84.39km JPN6th JAL Mukatsuku Double Marathon 10:41:37 h184
28.05 64km JPN2nd Lake Suwa Ultra Marathon - 64 km 7:16:45 h7
09.04 71km JPN17th Toda Saiko 70 km 8:03:18 h74
13.03 100km JPN4th Ibaraki 100k Ultra Marathon 11:35:18 h133
2021
10.04 70km JPN16th Toda Saiko 70 km 7:44:17 h253
2019
20.10 100km JPN8th Noto Peninsula 100 km Ultra Marathon 12:57:46 h136
13.04 102km JPN5th Okuizumo Ultra Orochi 100km Tooashi 13:27:04 h212
2018
16.09 100km JPN18th Tango 100 km Ultramarathon 12:48:38 h489
10.06 50km JPN2nd Koyasan and Ryujin-Onsen 50 km Ultra Marathon 5:48:08 h93
22.04 100km JPN20. Okukumano 100 km Ultramarathon 12:43:49 h161
2017
21.10 50km JPN2nd Iki 50 km Ultra Marathon 5:48:32 h77
11.06 100km JPN13th Iwate Ginga 100km Marathon Challenge 12:51:23 h705
15.01 100km JPN27th Miyako 100 km Ultramarathon 12:27:46 h187
2016
22.05 77km JPN21th Saba Highway Ultramarathon 10:53:17 h276
09.04 70km JPN11th Toda Saiko 70 km 8:08:32 h292
2015
18.10 100km JPN21st River Shimanto 100km 11:47:11 h401
28.06 100km JPN30. Lake Saroma 100 km Ultramarathon 12:21:09 h1821
28.03 58km JPN11th Izu Oshima Ultra 58 km 6:23:58 h38
2014
21.09 50km JPN2nd 50 km Ultramarathon Hakusan-Shirakawago 5:27:52 h73
07.06 100km JPN24th Aso Caldera Super Marathon 100 km 12:24:29 h458
2013
15.09 88km JPN4th Akiota Yajirushi Marathon 88km 10:41:04 h163
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 13:25:02 h768
2012
10.06 100km JPN1st Hida Takayama 100 km Ultramarathon 13:05:27 h396
07.04 70km JPN7th Toda Saiko 70 km 7:51:05 h115
2011
30.04 100km JPN21st Fuji 5 Lakes 100 km Challenge 12:38:23 h425