Ko-Shuo (張格碩) Chang
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Born : 1971
Cat. M55 Ultrarunner since 2012
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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 ?Taiwan
Taiwan23,1%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 549; Σ finishers = 2 376. 549 / 2 376 × 100 = 23.11%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races534 km
Longest race100,0 km
2nd Zhenxibao (Cinsbu) 100 km Ultramarathon — 23/2/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 10.12 | 45.8km | 1st Chia Nan Group Marathon |
3:26:18 h | 8 |
| 2014 | ||||
| 13.12 | 56.5km | 1st Kuanwu Ultramarathon |
6:10:20 h | 4 |
| 26.04 | 70.7km | 1st Jiumei Ultramarathon |
8:30:17 h | 23 |
| 23.02 | 100km | 2nd Zhenxibao (Cinsbu) 100 km Ultramarathon |
13:40:25 h | 164 |
| 2013 | ||||
| 22.12 | 58km | 1st Shei-Pa ultramarathon |
6:51:19 h | 150 |
| 12.10 | 53km | 2nd Jhen-wu-shan UltraMaraton |
5:58:36 h | 62 |
| 14.04 | 100km | 1st Zhenxibao (Cinsbu) 100 km Ultramarathon |
13:24:33 h | 87 |
| 2012 | ||||
| 09.09 | 50km | 2nd Flex Power National 50K Track Taichung |
5:02:16 h | 59 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/2/2014 | 2nd Zhenxibao (Cinsbu) 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 14/4/2013 | 1st Zhenxibao (Cinsbu) 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 3 | 26/4/2014 | 1st Jiumei Ultramarathon | 70,70 | ×3 |
| ✓ 4 | 22/12/2013 | 1st Shei-Pa ultramarathon | 58,00 | ×2 |
| ✓ 5 | 13/12/2014 | 1st Kuanwu Ultramarathon | 56,50 | ×2 |
| ✓ 6 | 12/10/2013 | 2nd Jhen-wu-shan UltraMaraton | 53,00 | ×2 |
| ✓ 7 | 9/9/2012 | 2nd Flex Power National 50K Track Taichung | 50,00 | ×2 |
| ✓ 8 | 10/12/2017 | 1st Chia Nan Group Marathon | 45,80 | ×2 |