Chin-Wen (張晉文) Chang

Born : 1970 Cat. M55 Ultrarunner since 2013

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

Taiwan

21,6%

Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 993; Σ finishers = 4 594. 993 / 4 594 × 100 = 21.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed17

Km — ultra races1 099 km

> 100 km2

Longest race108,9 km

3rd Taipei 12hr Ultra Marathon — 15/2/2014

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road91,7%

Stage8,3%

Records

50 km4h23'22 100 km12h12'11 12 h108,92 km

HISTORY

17 race(s) · 4 split(s) nested

Date		Race	Perf.	Rk
2016
23.10	70km	1st Shudder Sheipa Ultramarathon - 70km	9:53:08 h	196
17.08	45km	2nd Around Guanshan Ultramarathon Stage Race - 5. Stage	5:33:12 h	4
14.08	46km	2nd Around Guanshan Ultramarathon Stage Race - 2. Stage	7:16:31 h	5
12.03	100km	6th Southern Cross-Island Highway 100 km Ultra Marathon	13:46:54 h	362
28.02	52km	1st Surround PengHu UltraMarathon - 52 km	6:23:58 h	14
2015
18.04	50km	5th The North Face 50K Challenge Taiwan	6:32:51 h	38
25.01	100km	3rd Zhenxibao (Cinsbu) 100 km Ultramarathon	12:12:11 h	114
2014
10.10	50km	4th Flex Power National 50K Track Taipei	4:57:35 h	54
08.03	108km	4th Southern Cross-Island Highway 108 km Ultra Marathon	12:02:39 h	12
23.02	54km	2nd Zhenxibao (Cinsbu) 54 km Ultramarathon	5:24:54 h	26
15.02	12h	3rd Taipei 12hr Ultra Marathon	108.923 km	14
15.02	50km	3rd Taipei 12hr Ultra Marathon - 50km Split	4:59:12 h	21
15.02	6h	3rd Taipei 12hr Ultra Marathon - 6h Split	59.413 km	16
15.02	50mi	3rd Taipei 12hr Ultra Marathon - 50mi Split	8:46:53 h	23
15.02	100km	3rd Taipei 12hr Ultra Marathon - 100km Split	11:01:13 h	13
31.01	54km	7th Tainan Branch Friendship Cup Chinese New Year Marathon	5:09:47 h	45
2013
22.12	58km	1st Shei-Pa ultramarathon	5:38:03 h	25
17.11	50km	3rd Flex Power National 50K Track Taipei	4:23:22 h	47
12.10	53km	2nd Jhen-wu-shan UltraMaraton	5:21:19 h	20
18.08	50km	2nd Taitung Liji badland 50km Ultra Marathon	4:47:01 h	33
16.03	50km	3rd Southern Cross-Island Highway 50 km Ultra Marathon	4:47:34 h	8

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	15/2/2014	3rd Taipei 12hr Ultra Marathon	108,92	×4
✓ 2	8/3/2014	4th Southern Cross-Island Highway 108 km Ultra Marathon	108,00	×4
✓ 3	12/3/2016	6th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×3
✓ 4	25/1/2015	3rd Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×3
✓ 5	23/10/2016	1st Shudder Sheipa Ultramarathon - 70km	70,00	×2
✓ 6	22/12/2013	1st Shei-Pa ultramarathon	58,00	×2
✓ 7	23/2/2014	2nd Zhenxibao (Cinsbu) 54 km Ultramarathon	54,00	×2
✓ 8	31/1/2014	7th Tainan Branch Friendship Cup Chinese New Year Marathon	54,00	×2
✓ 9	12/10/2013	2nd Jhen-wu-shan UltraMaraton	53,00	×1
✓ 10	28/2/2016	1st Surround PengHu UltraMarathon - 52 km	52,00	×1
✓ 11	18/4/2015	5th The North Face 50K Challenge Taiwan	50,00	×1
✓ 12	10/10/2014	4th Flex Power National 50K Track Taipei	50,00	×1
✓ 13	17/11/2013	3rd Flex Power National 50K Track Taipei	50,00	×1
✓ 14	18/8/2013	2nd Taitung Liji badland 50km Ultra Marathon	50,00	×1
✓ 15	16/3/2013	3rd Southern Cross-Island Highway 50 km Ultra Marathon	50,00	×1