Cheng-Chieh (蔡正傑) Tsai
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Born : 1973
Cat. M50 Ultrarunner since 2014
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
Taiwan46,5%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 1 615; Σ finishers = 3 472. 1 615 / 3 472 × 100 = 46.51%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed28
Km — ultra races1 600 km
> 100 km1
Longest race113,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road74,5%
Trail25,5%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
28 race(s)| Runner | Races in common |
|---|---|