Shinjirou (中川紳二郎) Nakagawa
Born : 1963 Cat. M60 Ultrarunner since 2009 JPN
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
64
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
27,9%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 5 816; Σ finishers = 20 827. 5 816 / 20 827 × 100 = 27.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races5 179 km
> 100 km9
> 160 km8
> 200 km8
Longest race520,0 km

Km per year (ultra races)

2022
2023
100
1 race
2024
100
1 race
2025
100
1 race
2026

Race types (share of distance)

Road98,1%
Trail1,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 33
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

HISTORY

30 race(s)
DateRacePerf.Rk
2026
31.05 100km JPN1st Nara Ultra Marathon 12:39:18 h839
2025
15.06 100km JPN1st Shimanami Surround 100km 12:59:41 h16
2024
29.09 100km JPN27th Muraoka 100 km Ultra Marathon 12:19:49 h114
2019
29.09 100km JPN22th Muraoka 100 km Ultra Marathon 11:24:34 h78
15.09 100km JPN19th Tango 100 km Ultramarathon 11:21:32 h194
30.04 514km JPN15th River Road Foot Race 514 km 4d 04:23:24 h11
2018
03.11 320km JPN5th Kansai Yume Road Great Run 320 km 2d 07:41:00 h2 🥈
2017
03.11 320km JPN4th Kansai Yume Road Great Run 320 km 2d 08:17:00 h2 🥈
15.10 100km JPN23rd River Shimanto 100km 10:06:09 h169
24.09 120km JPN20th Muraoka 120 km Ultra Marathon 13:39:23 h113
30.04 520km JPN13th River Road Foot Race 520 km 4d 01:12:10 h8
2016
16.10 100km JPN22nd River Shimanto 100km 9:41:41 h110
25.09 100km JPN19th Muraoka 100 km Ultra Marathon 12:10:37 h141
18.09 100km JPN16th Tango 100 km Ultramarathon 10:52:26 h193
2015
20.09 100km JPN15th Tango 100 km Ultramarathon 11:22:18 h316
03.05 255km JPN11th River Road Foot Race 255 km 46:03:41 h7
2014
14.09 100km JPN14th Tango 100 km Ultramarathon 11:44:11 h404
30.04 520km JPN10th River Road Foot Race 520 km 4d 17:03:40 h17
2013
29.09 100km JPN16th Muraoka 100 km Ultra Marathon 13:12:23 h137
15.09 100km JPN13th Tango 100 km Ultramarathon 11:12:57 h241
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 12:05:50 h293
03.05 255km JPN9th River Road Foot Race 255 km 37:43:21 h3 🥉
2012
21.10 100km JPN18th River Shimanto 100km 10:22:09 h134
30.09 100km JPN15th Muraoka 100 km Ultra Marathon 12:09:19 h87
10.06 100km JPN1st Hida Takayama 100 km Ultramarathon 11:34:24 h152
03.05 255km JPN8th River Road Foot Race 255 km 44:55:28 h4
2011
30.04 100km JPN21st Fuji 5 Lakes 100 km Challenge 12:45:05 h447
2010
17.10 100km JPN16th River Shimanto 100km 12:12:15 h442
16.05 100km JPN16th Yatsugatake Nobeyama 100 km 13:22:02 h695
2009
18.10 100km JPN15th River Shimanto 100km 12:06:57 h477