Tetsuo (郡哲生) Koori
Born : 1960 Cat. M65 Ultrarunner since 2004 JPN
27
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
64,0%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 7 825; Σ finishers = 12 234. 7 825 / 12 234 × 100 = 63.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 606 km
> 100 km2
Longest race103,0 km

Km per year (ultra races)

2022
2023
50
1 race
2024
2025
2026

Race types (share of distance)

Road88,5%
Trail11,5%

HISTORY

27 race(s)
DateRacePerf.Rk
2024
04.02 50km JPN3rd Amami yori yori Run 7:47:29 h37
2019
08.12 100km JPN2nd Tobishima Ultra Marathon 14:08:49 h199
19.10 51.4km JPN10th Inagawa 100km Ultra-Marathon 6:19:48 h197
21.04 100km JPN1st Yamadera Zao 100 km Ultra Marathon 15:35:53 h183
13.01 100km JPN4th Yakushima Ultramarathon 15:23:39 h153
2018
20.10 100km JPN9th Inagawa 100km Ultra-Marathon 15:23:05 h164
2017
21.10 100km JPN8th Inagawa 100km Ultra-Marathon 14:47:11 h111
08.01 100km JPN2nd Yakushima Ultramarathon 14:50:00 h80
2016
11.09 100km JPN4th 100 km Ultramarathon Hakusan-Shirakawago 14:30:26 h513
06.03 100km JPN2nd Nagoura Marathon 100 km 14:55:43 h286
17.01 100km JPN26th Miyako 100 km Ultramarathon 13:52:48 h371
2015
17.10 100km JPN6th Inagawa 100km Ultra-Marathon 13:41:05 h92
11.04 102km JPN1st Okuizumo Ultra Orochi 100km Tooashi 14:28:10 h115
2014
10.05 103km JPN3rd Tojinbo 103 km Ultramarathon 14:51:41 h151
2013
26.05 100km JPN20th Ebisu-Daikoku 100 km Marathon 13:53:47 h304
2012
21.10 100km JPN1st Noto Peninsula 100 km Ultra Marathon 13:52:48 h242
22.04 100km JPN14. Okukumano 100 km Ultramarathon 13:27:34 h106
2011
25.09 100km JPN14th Muraoka 100 km Ultra Marathon 13:30:19 h178
2010
09.10 100km JPN8th Echigo Kubikino 100km Ultramarathon 12:10:57 h456
13.06 100km JPN6th Iwate Ginga 100km Marathon Challenge 12:18:01 h174
2009
18.10 100km JPN15th River Shimanto 100km 12:25:34 h566
2008
14.09 100km JPN8th Tango 100 km Ultramarathon 13:44:53 h469
2007
22.09 100km JPN17. Akita Nairiku 100km Marathon 11:36:43 h315
20.05 100km JPN13th Yatsugatake Nobeyama 100 km 12:49:01 h348
2006
21.05 100km JPN12th Yatsugatake Nobeyama 100 km 12:24:45 h207
2005
26.06 100km JPNOpen Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) 12:41:57 h1443
2004
16.05 100km JPN10th Yatsugatake Nobeyama 100 km 13:26:02 h392