Ching-Wen (張清文) Chang
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Born : 1958
Cat. M65 Ultrarunner since 2013
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
Taiwan70,5%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 4 026; Σ finishers = 5 710. 4 026 / 5 710 × 100 = 70.51%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed34
Km — ultra races1 860 km
> 100 km2
Longest race110,0 km
1st Talu Ultramarathon Stage Race — 5/4/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road68,3%
Trail2,5%
Stage29,2%
HISTORY
29 race(s) · 6 stage(s) nested| Runner | Races in common |
|---|---|