Manabu (白戸学) Shirato
ID 221493
Born : 1965 Cat. M60 Ultrarunner since 2009 JPN
26
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
31,7%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 4 416; Σ finishers = 13 924. 4 416 / 13 924 × 100 = 31.72%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races1 965 km
> 100 km2
> 160 km1
Longest race160,9 km
3rd Ultra-Trail Mt. Fuji (UTMF) — 25/4/2014

Km per year (ultra races)

175
3 races
2022
151
2 races
2023
50
1 race
2024
2025
2026

Race types (share of distance)

Road33,1%
Trail66,9%

Records

50 km5h46'56100 km8h57'41100 mi39h00'23

HISTORY

26 race(s)
DateRacePerf.Rk
2024
28.04 50km JPN17th Ishioka Trail Run 7:19:04 h91
2023
10.06 100.8km JPN3rd Okushinano 100 18:34:07 h335
29.04 50km JPN16th Ishioka Trail Run 7:00:21 h83
2022
28.08 75km JPN9th Tsukuba Renjyo 70 km Road & Trail Run 12:20:54 h120
11.06 50km JPN2nd Okushinano 100 - 50 km 8:23:16 h86
29.04 50km JPN15th Ishioka Trail Run 7:06:03 h108
2017
10.12 71.7km JPN4th Izu Trail Journey 11:27:33 h410
02.07 100km JPN1st Nikko 100km Ultramarathon 13:00:08 h595
25.06 72.7km JPN4. Spatrail - Shima to Kusatsu 9:55:06 h115
27.05 50km JPN9th OSJ Okukuji Trail 50k 11:20:28 h114
23.04 100km JPN27th Fuji 5 Lakes 100 km Challenge 10:29:55 h211
2016
11.09 50km JPN9th OSJ Adatara Trail 50K 8:34:55 h37
28.08 70km JPN3rd Tsukuba Renjyo 70 km Road & Trail Run 8:31:50 h40
16.07 65km JPN7th Nozawa Onsen 4100D Mountain Trail 11:34:42 h113
2015
30.08 70km JPN2nd Tsukuba Renjyo 70 km Road & Trail Run 8:30:22 h37
19.07 66km JPN2nd SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup 10:40:43 h12
2014
30.08 63km JPN1st Shigakogen Extreme Trail 15:53:56 h136
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 39:00:23 h318
2013
20.10 100km JPN19th River Shimanto 100km 8:57:41 h43
29.09 50km JPN6th OSJ Adatara Trail 50K 8:36:37 h54
07.09 100km JPN2nd OSJ Yatsugatake Super Trail 100 km race 12:50:42 h22
2012
10.06 100km JPN1st Hida Takayama 100 km Ultramarathon 10:59:24 h95
2011
30.04 100km JPN21st Fuji 5 Lakes 100 km Challenge 11:15:38 h210
2010
27.06 100km JPN25. Lake Saroma 100 km Ultramarathon 11:53:01 h801
13.06 50km JPN6th Iwate Ginga 50km Marathon Challenge 5:46:56 h60
2009
05.07 50km JPN1st OSJ Shiga Kogen Trail 50K 9:44:28 h196