Shinji (家塚慎二) Ietsuka
ID 214088
Born : 1976 Cat. M50 Ultrarunner since 2010 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
49
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
33,2%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 7 234; Σ finishers = 21 799. 7 234 / 21 799 × 100 = 33.19%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 610 km
> 100 km10
Longest race118,0 km
29th Fuji 5 Lakes 118 km Challenge — 21/4/2019

Km per year (ultra races)

100
1 race
2022
164
2 races
2023
2024
2025
2026

Race types (share of distance)

Road77,0%
Trail23,0%

Records

100 km9h09'16

HISTORY

25 race(s)
DateRacePerf.Rk
2023
01.10 64km JPN10th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 9:48:40 h49
21.05 100km JPN29th Yatsugatake Nobeyama 100 km 13:43:13 h598
2022
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 13:45:14 h823
2019
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 13:56:08 h1512
21.04 118km JPN29th Fuji 5 Lakes 118 km Challenge 14:52:40 h494
2018
17.06 100km JPN2nd Nikko 100km Ultramarathon 10:52:51 h140
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 12:55:42 h714
22.04 118km JPN28th Fuji 5 Lakes 118 km Challenge 14:53:50 h461
2017
02.07 100km JPN1st Nikko 100km Ultramarathon 13:34:04 h822
23.04 118km JPN27th Fuji 5 Lakes 118 km Challenge 13:09:39 h146
2016
09.10 100km JPN11th Echigo Kubikino 100km Ultramarathon 10:59:47 h300
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 11:12:04 h201
24.04 118km JPN26th Fuji 5 Lakes 118 km Challenge 12:05:41 h89
2015
29.08 100km JPNKISO Great Traverse 100 km Ultra Marathon 11:00:35 h38
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 11:28:32 h266
19.04 118km JPN25th Fuji 5 Lakes 118 km Challenge 11:35:53 h29
2014
12.10 100km JPN10th Echigo Kubikino 100km Ultramarathon 9:09:16 h52
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 9:51:21 h52
20.04 108km JPN24th Fuji 5 Lakes 108 km Challenge 10:06:35 h22
2013
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 11:03:06 h149
21.04 112km JPN23rd Fuji 5 Lakes 112 km Challenge 12:51:57 h64
2012
20.05 100km JPN18th Yatsugatake Nobeyama 100 km 10:54:39 h120
22.04 112km JPN22nd Fuji 5 Lakes 112 km Challenge 10:33:46 h25
2011
30.04 112km JPN21st Fuji 5 Lakes 112 km Challenge 10:41:59 h26
2010
25.04 112km JPN20th Fuji 5 Lakes 112 km Challenge 11:47:52 h67