Jui-Yao (張瑞堯) Chang
ID 650624
Born : 1982 Cat. M40 Ultrarunner since 2015 TPE
46
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?TPETaiwan
64,9%
Rank quotient ?This runner's calculation uses 89 eligible race(s): Σ(rank − 1) = 5 800; Σ finishers = 8 939. 5 800 / 8 939 × 100 = 64.88%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed105
Km — ultra races5 849 km
> 100 km3
> 160 km2
> 200 km2
Longest race410,0 km
6th Around Guanshan Ultramarathon Stage Race — 15/8/2020

Km per year (ultra races)

1 477
22 races
2022
45
1 race
2023
190
3 races
2024
50
1 race
2025
2026

Race types (share of distance)

Road84,3%
Trail1,7%
Stage14,0%

Records

50 km5h04'27100 km13h32'4450 mi11h47'53

HISTORY

89 race(s) · 17 stage(s) nested
DateRacePerf.Rk
2025
23.02 50km TPE8th Fencihu 50 km Ultra Run 9:19:06 h121
2024
22.11 100km TPE13th Yilan Dongshan River 100km Ultra-Marathon Night Run 20:12:16 h141
13.07 45km TPE1st Baishatun Ultra Run 8:02:42 h26
16.06 45km TPE2nd Beigang to Xingang Ultra Run 7:33:53 h19
2023
02.01 45km TPE1st Xinzhu to Xiangshan Ultra Run 6:20:12 h35
2022
05.11 100km TPE8th Buddha's Palm 100km Ultramarathon 16:23:09 h204
23.10 45km TPE7th TUR Charity UltraMarathon 6:48:06 h112
11.09 45km TPE2nd Chiunghuwan Ultramarathon 7:16:14 h10
28.08 45km TPE5th Pailan Chingchuan Ultra Run 6:35:35 h14
27.08 46km TPE8th Ruins of Long-teng Bridge Ultra Run - 46 km 7:14:05 h18
06–13.08 409km/9stages TPE8th Around Guanshan Ultramarathon Stage Race 2d 05:59:15 h33
30.07 47km TPE3rd Emei Lake Ultra Run 5:55:20 h6
23.07 45km TPE1st Jinshan Temple Ultra Run 7:40:07 h62
10.07 47km TPE7th Shiguanyin Temple Ultra Run 7:07:57 h10
03.07 45km TPE5th Xiangtian Lake Ultra Run 6:56:39 h14
02.07 45km TPE1st Jinshan to Beipu Ultra Run 5:36:30 h12
25.06 47km TPE5th 85 Mountain Ultra Run 6:30:32 h11
29.05 45km TPE1st Puyan Shunze Temple Ultra Run 6:58:38 h27
28.05 46km TPE1st Dingfanpo Ultra Run 5:56:05 h9
21.05 46km TPE6th Gongguan to Taian Ultra Run 6:30:41 h8
08.05 46km TPE9th Feifeng Mountain Ultra Run 7:04:13 h15
02.05 45km TPE1st Pishan PinkangcChuan Ultra Run 7:14:41 h28
30.04 45km TPE4th The Jiangs Cultural Park Ultra Run 6:42:57 h18
17.04 47km TPE2nd Yingge Ultra Run 5:42:03 h15
16.04 46km TPE5th Dasyueshan Ultra Run 6:36:51 h22
26.03 45km TPE1st Long Fong Fishing Port Ultra Run 6:35:26 h8
12.03 100km TPE11th Southern Cross-Island Highway 100 km Ultra Marathon 14:16:55 h188
2021
13.11 100km TPE3rd Gaomei Wetland Ultra Run - 100km 14:58:49 h22
07.11 46km TPE3rd Lavender Ultra Run 7:36:47 h32
08.05 46km TPE9th Daxingshan Temple Ultra Run 7:07:31 h19
02.05 46km TPE4th Yangmei Ultra Run 5:17:19 h9
25.04 45km TPE1st Maolin to Jinshan Ultra Run 7:39:00 h27
24.04 100km TPE1st Maolin to Cape Fugui - 100 km 14:45:35 h25
18.04 46km TPE1st Xiangshan to Shueilioudong Ultra Run 6:06:42 h8
05.04 45km TPE3rd Jiuhu to Miaoli Ultra Run 5:55:51 h21
03.04 47km TPE4th 85 Mountain Ultra Run 6:03:16 h6
21.03 46km TPE3rd Hakka Culture Ultra Run 6:28:20 h10
20.03 46km TPE3rd Fukuang to Fukuei Ultra Run 6:51:52 h33
13.03 120km TPE10th Southern Cross-Island Highway 120 km Ultra Marathon 14:57:55 h105
06.03 45km TPE1st Confucian Temple Ultra Run 5:56:57 h23
28.02 100km TPE4th Fencihu 100 km Ultra Run 14:21:39 h181
21.02 45km TPE1st Qingan to Danan Ultra Run 6:54:51 h14
07.02 46km TPE4th Dasyueshan Ultra Run 7:32:39 h23
23.01 47km TPE5th Shiguanyin Temple Ultra Run 5:50:54 h17
17.01 47km TPE1st Emei Lake Ultra Run 5:57:38 h14
2020
27.12 45km TPE6th Maruta Fort Ultra Run 7:29:39 h13
26.12 46km TPE7th Feifeng Mountain Ultra Run 6:05:51 h7
19.12 46km TPE4th 17 Coast style Ultra Run 5:42:28 h9
13.12 50km TPE7th Dakeng Ultra Run - 50 km 6:46:00 h18
07.11 100km TPE6th Buddha's Palm 100km Ultramarathon 15:37:53 h146
25.10 56km TPE3rd Dongfong Ultra Marathon - 56 km 6:11:52 h11
27.09 56km TPE2nd Tanya Shen Ultra Marathon - 56km 6:11:04 h7
13.09 45km TPE3rd Pinli Ultra Run 7:05:01 h149
12.09 47km TPE1st Dongguang to Tienyu Ulltra Run 6:20:59 h10
15–23.08 410km/9stages TPE6th Around Guanshan Ultramarathon Stage Race 2d 07:28:17 h18
08.08 45km TPE1st Wuhungkang Ultra Run 8:03:32 h39
26.07 45km TPE5th TUR Charity UltraMarathon 7:04:00 h136
19.07 46km TPE3rd Yangmei Ultra Run 7:09:20 h27
28.06 47km TPE2nd Ermei Lake Ultra Run 7:27:14 h23
27.06 48km TPE5th Westward Forester Ultra Run 7:53:26 h31
26.06 46km TPE5th Houlong to Xihu Ultra Run 7:38:05 h16
31.05 46km TPE2nd Lingdong Palace Ultra Run 6:34:19 h13
23.05 46km TPE4th Gongguan to Taian Ultra Run 6:04:14 h12
16.05 50km TPE1st Mei Shan 36 Curves 7:56:29 h64
25.04 45km TPE1st Nanzhuang to Luchang Ultra Run 5:27:38 h9
19.04 49.2km TPE5th Yi Tong Go Trail Running UltraMarathon 10:51:27 h114
03.04 46km TPE2nd Hakka Culture Ultra Run 6:05:03 h8
29.03 47km TPE4th Shiguanyin Temple Ultra Run 6:14:55 h13
21.03 46km TPE2nd Lavender Ultra Run 6:44:32 h21
09.02 100km TPE3rd Fencihu 100 km Ultra Run 14:33:22 h155
08.02 47km TPE3rd Dasyueshan Ultra Run 7:58:34 h18
2019
28.12 50km TPE6th Dakeng Ultra Run - 50 km 6:47:47 h99
21.12 55km TPE3rd Bei-yi Freeway Ultra Marathon 6:43:02 h110
08.12 100km TPE3rd Shancheng 100 km Ultramarathon 13:32:44 h259
22.11 100km TPE8th Yilan Dongshan River 100km Ultra-Marathon Night Run 13:51:06 h31
15.09 100km TPE1st Tour de Baguoshan - Midnight start 16:10:00 h46
28.07 53km TPE1st Deep Feelings Ultra Run 6:23:57 h16
13.07 46km TPE1st Lavender Ultra Run 7:44:13 h18
23.06 45km TPE2nd Pinli Ultra Run 7:31:40 h171
09.03 100km TPE9th Southern Cross-Island Highway 100 km Ultra Marathon 13:59:01 h218
20.01 100km TPE7th Zhenxibao (Cinsbu) 100 km Ultramarathon 13:37:17 h366
2018
25.11 50km TPE7th Yilan Dongshan River 50km Ultra-Marathon 5:04:27 h19
10.11 70km TPE2nd Shei-Pa Ultra-Marathon 9:17:25 h82
17.03 100km TPE8th Southern Cross-Island Highway 100 km Ultra Marathon 13:56:49 h447
2017
11.03 100km TPE7th Southern Cross-Island Highway 100 km Ultra Marathon 13:54:05 h322
08.01 80km TPE5th Zhenxibao (Cinsbu) 80 km Ultramarathon 11:47:53 h69
2016
23.10 70km TPE1st Shudder Sheipa Ultramarathon - 70km 10:16:11 h248
12.03 60km TPE6th Southern Cross-Island Highway 60 km Ultra Marathon 7:16:24 h110
2015
07.03 45km TPE5th Southern Cross-Island Highway 45 km Ultra Marathon 6:57:17 h396