Feng-Yuan (張逢源) Chang
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Born : 1980
Cat. M45 Ultrarunner since 2016
45
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
55
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 ?
ItalyTaiwan
ItalyTaiwan24,3%
Rank quotient ?This runner's calculation uses 47 eligible race(s): Σ(rank − 1) = 1 298; Σ finishers = 5 345. 1 298 / 5 345 × 100 = 24.28%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed47
Km — ultra races4 881 km
> 100 km21
> 160 km6
> 200 km4
> 24h2
Longest race330,0 km
14° TOR330 - Tor des Géants — 10/9/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road63,1%
Trail36,9%
Wins & podiums (ultra)
🏆 Win3
🏆 Win M3
🏅 Top 316
🏅 Top 3 M16
Longest winning streak1
Current streak0
HISTORY
47 race(s) · 6 split(s) nested| Runner | Races in common |
|---|---|