Minoru (増井稔) Masui
ID 409968
Born : 1969 Cat. M55 Ultrarunner since 2013 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
5,7%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 691; Σ finishers = 12 036. 691 / 12 036 × 100 = 5.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 057 km
> 100 km2
Longest race120,0 km
20th Muraoka 120 km Ultra Marathon — 24/9/2017

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road91,7%
Trail8,3%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 36
🏅 Top 3 M8
Longest winning streak1
Current streak0

Records

50 km3h49'57100 km8h37'266 h68,20 km

HISTORY

25 race(s)
DateRacePerf.Rk
2019
29.09 100km JPN22th Muraoka 100 km Ultra Marathon 10:47:30 h50
02.06 100km JPN2nd Nanto 100 km Ultramarathon 8:52:53 h4
12.05 50km JPN23th 50 km Ultramarathon Ako Seaside Park 3:54:53 h4
21.04 100km JPN11th 100 km Ultra Maranic Osaka 8:49:44 h3 🥉
2018
21.10 100km JPN24th River Shimanto 100km 8:37:26 h35
15.09 6h JPN11th 6-hour relay & solo marathon Miki 68.200 km1 🏆
2017
24.09 120km JPN20th Muraoka 120 km Ultra Marathon 12:46:35 h41
09.09 6h JPN10th 6-hour relay & solo marathon Miki 68.200 km2 🥈
14.05 50km JPN21th 50 km Ultramarathon Ako Seaside Park 3:49:57 h2 🥈
23.04 118km JPN27th Fuji 5 Lakes 118 km Challenge 11:21:46 h36
26.03 56km JPN16th Mt. Rocco Cannonball Run - 56 km Speed 6:59:00 h64
2016
25.09 100km JPN19th Muraoka 100 km Ultra Marathon 11:17:27 h67
12.06 100km JPN5th Hida Takayama 100 km Ultramarathon 9:12:36 h31
15.05 50km JPN20th 50 km Ultramarathon Ako Seaside Park 3:56:14 h1 🏆
03.05 70km JPN24. Mukogawa Yurikamome Ultra Marathon 6:17:58 h71
27.03 56km JPN14th Mt. Rocco Cannonball Run - 56 km Speed 6:50:00 h52
2015
27.09 100km JPN18th Muraoka 100 km Ultra Marathon 9:58:41 h24
12.09 6h JPN8th 6-hour relay & solo marathon Miki 61.600 km4
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 9:49:44 h67
26.04 70km JPN7th 70 km Ultra Maranic Osaka 5:50:24 h2 🥈
2014
28.09 88km JPN17th Muraoka 88 km Ultra Marathon 8:58:43 h7
27.04 65km JPN16. Okukumano 65 km Ultramarathon 6:16:56 h8
2013
20.10 100km JPN19th River Shimanto 100km 9:01:56 h46
29.09 66km JPN16th Muraoka 66 km Ultra Marathon 6:41:17 h16
21.04 100km JPN23rd Fuji 5 Lakes 100 km Challenge 10:46:12 h78