Yun-Shan (張運山) Chang
ID 868458
Born : 1967 Cat. M55 Ultrarunner since 2016 TPE
28
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
2
Countries visited ?JPNJapanTPETaiwan
35,6%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 3 812; Σ finishers = 10 693. 3 812 / 10 693 × 100 = 35.65%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races1 825 km
Longest race100,0 km
33th Fuji 4 Lakes 100 km Challenge — 16/4/2023

Km per year (ultra races)

45
1 race
2022
145
2 races
2023
51
1 race
2024
2025
54
1 race
2026

Race types (share of distance)

Road100,0%

Records

50 km5h31'14100 km12h04'016 h50,78 km

HISTORY

28 race(s)
DateRacePerf.Rk
2026
07.06 53.7km JPN24th Rishiri Island Ultra Marathon 6:10:17 h155
2024
28.04 6h TPE9th National Taipei University 6H Ultra Marathon - AM 50.779 km23
2023
19.11 45km TPE5th Datun Mountain Ultra Marathon 5:23:45 h46
16.04 100km JPN33th Fuji 4 Lakes 100 km Challenge 12:39:47 h517
2022
09.01 45km TPE2nd Shiding Qiandao Lake Ultra Run 6:41:12 h12
2021
24.10 45km TPE2nd Dajia to Xizhi Ultra Run 5:33:52 h4
2020
13.12 100km TPE4th Shancheng 100 km Ultramarathon 12:04:01 h59
08.08 45km TPE1st Wuhungkang Ultra Run 7:38:33 h16
31.05 45km TPE9th Ancient Temples Tours Ultra Run 5:32:18 h17
19.01 100km TPE8th Zhenxibao (Cinsbu) 100 km Ultramarathon 13:23:48 h183
2019
03.11 45km TPE4th Datun Mountain Ultra Marathon 4:57:28 h27
11.10 53km TPE5th Jhen-wu-shan UltraMaraton 7:01:07 h84
08.09 100km JPN7th 100 km Ultramarathon Hakusan-Shirakawago 13:21:44 h272
23.06 50km TPE1st North Dawu Mountain Ultra Marathon 6:29:47 h73
09.06 100km JPN8th Hida Takayama 100 km Ultramarathon 12:44:35 h1042
14.04 50km TPE4th Tianxishui Ultra Run 5:31:14 h44
20.01 100km TPE7th Zhenxibao (Cinsbu) 100 km Ultramarathon 12:55:35 h196
2018
16.12 45km TPE3rd Datun Mountain Ultra Marathon 5:22:29 h43
21.01 100km TPE6th Zhenxibao (Cinsbu) 100 km Ultramarathon 13:00:08 h191
2017
22.10 60km TPE1st Spread in the wind ultramarathon 7:06:52 h104
23.07 45km TPE2nd Lovers' Gorge Ultra Run 5:29:44 h84
20.05 50km TPE4th Dakeng Ultra Run - 50 km 6:15:05 h64
15.04 58km TPE3rd The Northern Cross Ultramarathon - 58 km 7:17:14 h23
19.03 6h TPE6th National Taipei University 6H Ultra Marathon 50.667 km25
11.03 100km TPE7th Southern Cross-Island Highway 100 km Ultra Marathon 12:55:47 h120
08.01 54km TPE5th Zhenxibao (Cinsbu) 54 km Ultramarathon 7:30:30 h361
2016
20.11 75km TPE2nd Chuoshui River 75 km Ultramarathon 10:12:07 h45
24.09 60km TPE7th Run Around Taipei 60 km 7:36:01 h10