Chin-Sheng (張進昇) Chang
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Born : 1972
Cat. M50 Ultrarunner since 2011
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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 ?
JapanTaiwan
JapanTaiwan43,4%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 1 585; Σ finishers = 3 655. 1 585 / 3 655 × 100 = 43.37%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races339 km
Longest race100,0 km
26. Lake Saroma 100 km Ultramarathon (JPN) — 26/6/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road69,4%
Trail30,6%
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 17.09 | 50km | 5th Taiwania 50 Ultra Trail Go out |
7:53:19 h | 103 |
| 2019 | ||||
| 02.03 | 54km | 2nd Taiwania 54 Ultra Trail |
7:38:37 h | 130 |
| 2016 | ||||
| 20.03 | 12h | 5th National Taipei University 12H Ultra Marathon |
83.188 km | 167 |
| 2011 | ||||
| 22.10 | 8h | 1st Taipei ocean 8H Ultramarathon |
52.130 km | 328 |
| 26.06 | 100km road race | 26. Lake Saroma 100 km Ultramarathon |
11:31:20 h | 862 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 26/6/2011 | 26. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×5 |
| ✓ 2 | 20/3/2016 | 5th National Taipei University 12H Ultra Marathon | 83,19 | ×4 |
| ✓ 3 | 2/3/2019 | 2nd Taiwania 54 Ultra Trail | 54,00 | ×3 |
| ✓ 4 | 22/10/2011 | 1st Taipei ocean 8H Ultramarathon | 52,13 | ×3 |
| ✓ 5 | 17/9/2022 | 5th Taiwania 50 Ultra Trail Go out | 50,00 | ×2 |