Sin-Kai (張勝凱) Chang
ID 1001109
Born : 1977 Cat. M45 Ultrarunner since 2017 TPE
55
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
59
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
34,4%
Rank quotient ?This runner's calculation uses 96 eligible race(s): Σ(rank − 1) = 2 590; Σ finishers = 7 528. 2 590 / 7 528 × 100 = 34.40%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed96
Km — ultra races7 464 km
> 100 km26
> 160 km4
> 24h5
Longest race182,7 km
14th Taipei 24hr Ultra Marathon — 22/2/2025

Km per year (ultra races)

1 046
14 races
2022
1 420
15 races
2023
1 332
14 races
2024
1 073
11 races
2025
695
10 races
2026

Race types (share of distance)

Road92,6%
Trail6,1%
Stage1,2%

Wins & podiums (ultra)

🏆 Win7
🏆 Win M8
🏅 Top 318
🏅 Top 3 M19
Longest winning streak2
Current streak0

Records

50 km4h20'00100 km10h56'06100 mi20h09'3012 h110,42 km24 h182,71 km

HISTORY

97 race(s) · 11 split(s) nested
DateRacePerf.Rk
2026
26.07 46km TPE1st Fengdong Shenkeng Ultra Run 6:30:25 h3 🥉
19.07 45km TPE3rd Xizhi Shigongtan Ultra Run 6:38:34 h2 🥈
27.06 45km TPE3rd Hengshan Lahao Ultra Run 5:47:07 h1 🏆
21.06 45km TPE2nd Fengshan Youluopa Rabbit Ultra Run 7:07:32 h2 🥈
01.05 45km TPE1st Longyuan Anpingzhen Ultra Run 5:22:01 h1 🏆
18.04 101km TPE9th 800 Heroes - ShueiJinJiou 100km 15:49:28 h19
15.03 101km TPE9th 800 Heroes - Sandiaojiao Lighthouse 100km 12:36:30 h16
08.02 104km TPE9th 800 Heroes - Territory Southward 104km 12:57:43 h14
17.01 63km TPE14th Yangmingshan 63km Ultra Marathon 5:50:19 h1 🏆
01.01 100km TPE9th 800 Heroes - Sanyi 100km 13:31:42 h13
2025
27.12 55km TPE9th Bei-yi Freeway Ultra Marathon 4:44:38 h5
06.12 106km TPE8th 800 Heroes - Jinshui Camp Trail 106km 17:25:46 h8
02.11 101.1km TPE8th 800 Heroes - Overlord of Windy City 101km 13:37:05 h7
19.10 100km TPE8th 800 Heroes - Overlord of Shuishalian 100km 15:22:12 h13
28.09 14h TPE1st Luzhu Ultra Marathon - 14h 118.160 km2 🥈
04.05 101km TPE8th 800 Heroes - Overlord of Shimen 101km 14:27:44 h13
23.03 101km TPE8th 800 Heroes - Sanyi 101km 14:56:35 h10
22.02 24h TPE14th Taipei 24hr Ultra Marathon 182.710 km11
16.02 45km TPE2nd Malingkeng Ultra Run 5:15:34 h2 🥈
18.01 63km TPE13th Yangmingshan 63km Ultra Marathon 6:26:43 h6
05.01 100km TPE8th 800 Heroes - Overlord of Baguashan 100km 13:05:26 h20
2024
22.12 100km TPE7th Shancheng 100 km Ultramarathon 10:56:06 h37
15.12 100.5km TPE7th 800 Heroes - Overlord of KinMen 100km 14:12:45 h44
07.12 106km TPE7th 800 Heroes - Jinshui Camp Trail 106km 16:56:49 h12
22.11 100km TPE13th Yilan Dongshan River 100km Ultra-Marathon Night Run 13:08:58 h32
06.10 101.1km TPE7th 800 Heroes - Overlord of Windy City 101km 14:58:50 h12
30.06 45km TPE2nd Guanyin Aifanu Ultra Run 5:36:53 h1 🏆
23.06 45km TPE2nd Flying Broomstick Ultra Run 6:04:56 h3 🥉
04.05 118km TPE7th 800 Heroes - Overlord of Legend of the Mountain 125km 16:22:21 h13
28.04 8h TPE9th National Taipei University 8H Ultra Marathon 77.662 km3 🥉
09.03 114km TPE7th 800 Heroes - Overlord of Surround PengHu 114km 15:12:54 h17
03.03 100km TPE7th Fencihu 100 km Ultra Run 11:52:51 h28
24.02 24h TPE13th Taipei 24hr Ultra Marathon 156.905 km30
04.02 105km TPE7th 800 Heroes - Chungliao Mountain 105km 13:43:35 h7
06.01 63km TPE12th Yangmingshan 63km Ultra Marathon 6:59:08 h21
2023
24.12 55km TPE7th Bei-yi Freeway Ultra Marathon 6:00:05 h47
01.12 24h TPEIAU 24h WC Taipei (Open) 86.000 km42
01.12 24h TPEIAU 24h WC Taipei (all races combined) 86.000 km289
01.12 12h TPEIAU 24h WC Taipei - 12h Split 86.000 km283
19.11 101.1km TPE6th 800 Heroes - Overlord of Windy City 101km 14:38:34 h61
04.11 100km TPE9th Buddha's Palm 100km Ultramarathon 14:08:58 h35
20.10 100mi TPE12th Yilan Dongshan River 100mi Ultra-Marathon 20:09:30 h8
15.10 101.7km TPE6th 800 Heroes - Overlord of Shuishalian 101km 15:06:33 h38
10.10 50km TPE11th Flex Power National 50K Track Taipei 4:20:00 h21
16.09 100km TPE6th Taiwania 100 Ultra Trail 13:49:09 h30
21.05 101.3km TPE6th 800 Heroes - Overlord of Shimen 100km 14:55:32 h59
13.05 12h TPE8th National Taipei University 12H Ultra Marathon 110.420 km15
09.04 104km TPE6th 800 Heroes - Overlord of Hulien 100km 14:08:26 h43
04.03 63km TPE11th Yangmingshan 63km Ultra Marathon 6:25:38 h5
05.02 100.7km TPE6th 800 Heroes - Overlord of Aowanda 100km 14:40:50 h16
01.01 100km TPE6th 800 Heroes - Overlord of Taizhong 100km 14:29:05 h53
2022
18.11 100mi TPE11th Yilan Dongshan River 100mi Ultra-Marathon 20:57:06 h5
05.11 100km TPE8th Buddha's Palm 100km Ultramarathon 16:19:48 h192
18.09 100km TPE4th Shudder Sheipa Ultramarathon - 100km 12:53:03 h34
31.07 45km TPE3rd Ruifeng to Luoshan Ultra Run 5:34:14 h2 🥈
16.07 77km TPE5th 800 Heroes - Overlord of Caoling 77km 12:46:59 h6
26.06 46km TPE8th Hsichou Mountain Ultra Run 7:18:49 h3 🥉
05.06 46km TPE5th Flaming Mountain Ultra Run 6:58:14 h11
02.05 45km TPE1st Pishan PinkangcChuan Ultra Run 5:34:10 h1 🏆
30.04 45km TPE4th The Jiangs Cultural Park Ultra Run 5:37:47 h1 🏆
17.04 47km TPE2nd Yingge Ultra Run 5:50:02 h17
12.02 24h TPE11th Taipei 24hr Ultra Marathon 179.010 km18
06.02 47km TPE7th Tour New Year Ultra Run Stage Race - 9. Dapu 6:04:58 h5
29.01 45km TPE7th Tour New Year Ultra Run Stage Race - 1. Ruifeng 6:06:47 h12
08.01 63km TPE10th Yangmingshan 63km Ultra Marathon 6:47:01 h16
2021
25.12 55km TPE5th Bei-yi Freeway Ultra Marathon 6:20:59 h46
11.12 100km TPE4th Taiwania 100 Ultra Trail 14:30:00 h24
30.10 45km TPE4th Xiangtian Lake Ultra Run 5:40:34 h5
24.10 45km TPE2nd Dajia to Xizhi Ultra Run 4:50:55 h3 🥉
02.10 45km TPE5th Gary Mountain Ultra Run 8:02:37 h21
26.09 45km TPE3rd Liuliao Ancient Road Ultra Run 7:22:29 h24
20.09 45km TPE1st Nanliao to Zhudong Ultra Run 5:32:36 h5
01.05 47km TPE5th Kuzhi Ultra Run 6:17:51 h5
24.04 100km TPE1st Maolin to Cape Fugui - 100 km 13:50:42 h7
17.04 45km TPE3rd Dapu to Dongyan Mountain Ultra Run 5:35:49 h17
02.04 45km TPE1st Dajia to Xizhi Ultra Run 6:10:47 h5
13.03 120km TPE10th Southern Cross-Island Highway 120 km Ultra Marathon 14:24:35 h64
06.03 45km TPE1st Confucian Temple Ultra Run 6:30:44 h28
09.01 63km TPE9th Yangmingshan 63km Ultra Marathon 7:32:10 h35
2020
12.09 47km TPE1st Dongguang to Tienyu Ulltra Run 6:26:07 h16
13.06 45km TPE2nd Dapu to Dongyan Mountain Ultra Run 5:41:00 h16
15.03 46km TPE2nd Yunsen Waterfall Ultra Run 5:43:59 h4
01.03 46km TPE6th Feifeng Mountain Ultra Run 5:44:14 h3 🥉
16.02 45km TPE3rd Beipu Shihshan Nanzhuang Ultra Run 5:30:29 h1 🏆
09.02 100km TPE3rd Fencihu 100 km Ultra Run 12:53:16 h63
02.02 47km TPE1st Tucheng Ultra Run 6:40:45 h13
19.01 100km TPE8th Zhenxibao (Cinsbu) 100 km Ultramarathon 13:38:40 h220
2019
08.12 100km TPE3rd Shancheng 100 km Ultramarathon 11:46:32 h76
02.11 100km TPE5th Buddha's Palm 100km Ultramarathon 14:58:59 h79
27.10 48km TPE1st Sea Wave Ultra Run 5:50:14 h5
05.10 46km TPE4th Luoshan North Ultra Run 5:32:12 h7
21.07 46km TPE4th Beipu to Nanchuang Ultra Run 6:04:06 h12
23.06 48.5km TPE4th Westward Forester Ultra Run 6:33:02 h4
15.06 45km TPE3rd Gary Mountain Ultra Run 6:04:26 h14
06.01 50km TPE3rd Roaming 139 Ultramarathon 7:50:26 h80
2018
07.01 47km TPE2nd Roaming 139 Ultramarathon 6:59:10 h99
2017
06.08 46.5km TPE2nd Tianxishui Ultra Run 7:11:09 h171