Shigeki (松原茂樹) Matsubara
ID 459739
Born : 1966 Cat. M60 Ultrarunner since 2013 JPN
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
71,0%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 12 595; Σ finishers = 17 736. 12 595 / 17 736 × 100 = 71.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races2 215 km
> 100 km3
Longest race101,0 km
10th World Cultural Heritage "Fuji" Foot Race — 18/8/2023

Km per year (ultra races)

160
3 races
2022
151
2 races
2023
63
1 race
2024
105
2 races
2025
101
1 race
2026

Race types (share of distance)

Road54,8%
Trail45,2%

Records

50 km7h51'23100 km11h49'1350 mi13h56'16

HISTORY

30 race(s)
DateRacePerf.Rk
2026
06.06 100.8km JPN6th Okushinano 100 19:05:29 h401
2025
15.11 50km JPN11th FunTrails50K Round 10:54:11 h451
05.07 55km JPN3rd Shiga Kogen 55 10:30:07 h253
2024
25.05 63km JPN8th Yokosuka Miura 63km Michikusa Ultra Marathon A 9:21:38 h132
2023
18.08 101km JPN10th World Cultural Heritage "Fuji" Foot Race 16:53:48 h143
29.04 50km JPN16th Ishioka Trail Run 7:51:23 h173
2022
17.07 65km JPN13th Nozawa Onsen 4100D Mountain Trail 14:53:53 h383
11.06 50km JPN2nd Okushinano 100 - 50 km 9:43:05 h180
27.05 45km JPN1st Karuizawa Trail Running Race 8:58:23 h312
2021
12.12 69.1km JPN8th Izu Trail Journey 12:19:12 h874
14.03 100km JPN3rd Ibaraki 100k Ultra Marathon 12:11:53 h96
2020
13.12 66km JPN7th Izu Trail Journey 11:58:29 h836
2019
15.09 100km JPN19th Tango 100 km Ultramarathon 12:33:14 h382
17.08 101km JPN7th World Cultural Heritage "Fuji" Foot Race 15:08:16 h90
13.04 70km JPN14th Toda Saiko 70 km 8:20:59 h388
24.03 100km JPN1st Ibaraki 100k Ultra Marathon 13:12:02 h395
2018
16.09 100km JPN18th Tango 100 km Ultramarathon 11:49:13 h263
14.04 70km JPN13th Toda Saiko 70 km 7:45:03 h277
2017
17.09 52km JPN9th Shinetsu Five Mountains Trail 110km 8:13:40 h477
01.07 80km JPN7th Utsukushigahara 80 km Trail Run 13:56:16 h525
29.04 49km JPN10th Ishioka Trail Run 7:27:06 h147
23.04 100km JPN27th Fuji 5 Lakes 100 km Challenge 13:28:34 h1037
08.04 70km JPN12th Toda Saiko 70 km 8:18:36 h451
2016
11.12 71.7km JPN3rd Izu Trail Journey 13:46:59 h1179
29.04 49km JPN9th Ishioka Trail Run 7:41:35 h153
24.04 100km JPN26th Fuji 5 Lakes 100 km Challenge 13:28:27 h962
09.04 70km JPN11th Toda Saiko 70 km 8:49:12 h457
2015
26.09 76.7km JPN4th Shizuoka to Yamanashi 19:15:04 h733
11.04 70km JPN10th Toda Saiko 70 km 8:32:28 h366
2013
19.05 71km JPN19th Yatsugatake Nobeyama 71 km 9:27:32 h109