Motofumi (円井基史) Marui
Born : 1977 Cat. M45 Ultrarunner since 2001 JPN
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
2,1%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 732; Σ finishers = 34 267. 732 / 34 267 × 100 = 2.14%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 069 km
> 100 km1
Longest race156,0 km

Km per year (ultra races)

150
2 races
2022
72
1 race
2023
72
1 race
2024
72
1 race
2025
2026

Race types (share of distance)

Road4,8%
Trail95,2%

HISTORY

28 race(s)
DateRacePerf.Rk
2025
12.10 71.5km JPN33th Hasetsune Cup - Japan Mountain Endurance Race 11:23:35 h75
2024
13.10 71.5km JPN32th Hasetsune Cup - Japan Mountain Endurance Race 10:47:40 h106
2023
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 9:50:24 h59
2022
09.10 71.5km JPN30th Hasetsune Cup - Japan Mountain Endurance Race 10:10:59 h63
18.06 78km JPN7th OSJ Yamanaka Onsen Trail Run 12:54:55 h14
2018
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 10:25:50 h35
2017
22.10 50km JPN3rd Gasando Trail running race 5:48:17 h7
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 9:02:17 h15
2016
13.11 75km JPN2nd Gasando Trail running race 8:31:40 h8
09.10 71.5km JPN24th Hasetsune Cup - Japan Mountain Endurance Race 9:29:59 h26
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 8:41:32 h21
2014
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 9:05:54 h37
30.08 63km JPN1st Shigakogen Extreme Trail 10:39:36 h8
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 9:07:53 h41
29.09 100km JPN1st 100 km Ultramarathon Hakusan-Shirakawago 9:58:03 h40
2012
07.10 71.5km JPN20th Hasetsune Cup - Japan Mountain Endurance Race 8:30:28 h16
18.05 156km JPN1st Ultra-Trail Mount Fuji 29:20:27 h47
2010
31.10 45km JPN2nd Shinshu-Togakushi Trail Run Race 4:09:24 h5
10.10 71.5km JPN18th Hasetsune Cup - Japan Mountain Endurance Race 8:49:50 h14
2009
11.10 71.5km JPN17th Hasetsune Cup - Japan Mountain Endurance Race 8:47:18 h20
2008
12.10 71.5km JPN16th Hasetsune Cup - Japan Mountain Endurance Race 8:44:59 h21
2007
14.10 71.5km JPN15th Hasetsune Cup - Japan Mountain Endurance Race 9:15:33 h27
2006
08.10 71.5km JPN14th Hasetsune Cup - Japan Mountain Endurance Race 9:10:38 h12
2005
09.10 71.5km JPN13th Hasetsune Cup - Japan Mountain Endurance Race 9:12:49 h11
2004
10.10 71.5km JPN12th Hasetsune Cup - Japan Mountain Endurance Race 9:17:32 h4
2003
25.10 71.5km JPN11th Hasetsune Cup - Japan Mountain Endurance Race 9:20:14 h9
2002
12.10 71.5km JPN10th Hasetsune Cup - Japan Mountain Endurance Race 9:46:13 h6
2001
06.10 71.5km JPN9th Hasetsune Cup - Japan Mountain Endurance Race 10:20:12 h13