Hsu-Chih (蔡勖之) Tsai
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Born : 1989
Cat. M35 Ultrarunner since 2016
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
Taiwan34,4%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 1 058; Σ finishers = 3 080. 1 058 / 3 080 × 100 = 34.35%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed25
Km — ultra races2 118 km
> 100 km7
> 160 km2
> 200 km1
> 24h2
> 48h1
Longest race229,2 km
15th Taipei 48hr Ultra Marathon — 6/2/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M6
Longest winning streak1
Current streak0
HISTORY
25 race(s) · 21 split(s) nested| Runner | Races in common |
|---|---|