Yoshimoto (佐藤善基) Sato
ID 181637
Born : 1962 Cat. M60 Ultrarunner since 2009 JPN
38
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
73,7%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 17 999; Σ finishers = 24 437. 17 999 / 24 437 × 100 = 73.65%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races3 245 km
> 100 km5
Longest race125,0 km
9th Fujisan Issyu Walking — 7/6/2025

Km per year (ultra races)

2022
71
1 race
2023
244
4 races
2024
287
3 races
2025
2026

Race types (share of distance)

Road44,8%
Trail51,3%
Ult.Walk3,9%

Records

50 km9h47'17100 km12h44'3650 mi17h39'18

HISTORY

38 race(s)
DateRacePerf.Rk
2025
05.07 90km JPN4th Central Alps Skyline Japan 25:34:33 h128
07.06 125km JPN9th Fujisan Issyu Walking 30:12:58 h296
22.02 72km JPN3rd Daimonji 100 - 72km 19:37:06 h29
2024
20.10 54km JPN10th Shigakogen Extreme Trail 14:44:04 h168
09.06 71km JPN12th Hida Takayama 71 km Ultramarathon 10:26:07 h659
19.05 68km JPN30th Yatsugatake Nobeyama 68 km 10:09:22 h250
14.04 51.4km JPN2nd AYABE Trailrun 10:45:49 h316
2023
21.05 71km JPN29th Yatsugatake Nobeyama 71 km 9:58:56 h139
2020
13.12 66km JPN7th Izu Trail Journey 13:11:17 h1039
2019
08.12 71.7km JPN6th Izu Trail Journey 12:31:01 h1085
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 13:32:14 h1107
2018
02.12 50km JPN6th Kumano Old Trails 10:24:45 h219
20.10 73km JPN9th OSJ Hyonosen Mountains Trail Race 15:53:00 h289
16.09 100km JPN18th Tango 100 km Ultramarathon 13:42:33 h868
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 13:48:48 h1353
2017
03.12 50km JPN5th Kumano Old Trails 9:47:17 h141
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 13:55:55 h1053
2016
16.12 70km JPNCoast to Coast 70k Trail Run 10:47:52 h281
04.12 50km JPN4th Kumano Old Trails 9:58:07 h199
2015
18.10 73km JPN6th OSJ Hyonosen Mountains Trail Race 14:37:59 h444
2014
19.10 73km JPN5th OSJ Hyonosen Mountains Trail Race 13:16:42 h243
14.09 100km JPN14th Tango 100 km Ultramarathon 13:06:51 h793
08.06 100km JPN3rd Hida Takayama 100 km Ultramarathon 12:44:36 h526
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 13:42:26 h960
20.04 108km JPN24th Fuji 5 Lakes 108 km Challenge 13:14:56 h328
2013
20.10 71km JPN4th OSJ Hyonosen Mountains Trail Race 13:25:05 h231
29.09 100km JPN1st 100 km Ultramarathon Hakusan-Shirakawago 13:49:41 h405
15.09 100km JPN13th Tango 100 km Ultramarathon 13:18:27 h871
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 13:24:22 h625
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 13:36:25 h878
21.04 112km JPN23rd Fuji 5 Lakes 112 km Challenge 14:12:47 h204
2012
28.10 71km JPN3rd OSJ Hyonosen Mountains Trail Race 13:00:54 h112
15.07 100km JPN5th OSJ Ontake 100km Ultra Trail 14:32:45 h363
22.04 112km JPN22nd Fuji 5 Lakes 112 km Challenge 14:21:49 h440
2011
30.04 112km JPN21st Fuji 5 Lakes 112 km Challenge 14:24:47 h384
2010
14.11 80km JPN1st OSJ Hyonosen Mountains Trail Race 17:39:18 h140
18.07 100km JPN3rd OSJ Ontake 100km Ultra Trail 16:20:14 h209
2009
19.07 100km JPN2nd OSJ Ontake 100km Ultra Trail 17:09:22 h262