Han-Ru (譚漢儒) Tan
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Born : 1972
Cat. M50 Ultrarunner since 2021
45
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
3
Countries visited ?
China
JapanTaiwan
ChinaJapanTaiwan50,7%
Rank quotient ?This runner's calculation uses 66 eligible race(s): Σ(rank − 1) = 1 737; Σ finishers = 3 426. 1 737 / 3 426 × 100 = 50.70%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed72
Km — ultra races4 025 km
> 100 km7
> 160 km1
> 200 km1
Longest race270,0 km
1st Ibaraki Tochigi Ultra Run Stage Race — 10/11/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road81,8%
Trail9,3%
Stage7,8%
Ult.Walk1,1%
Wins & podiums (ultra)
🏆 Win3
🏆 Win M3
🏅 Top 312
🏅 Top 3 M13
Longest winning streak1
Current streak0
HISTORY
67 race(s) · 6 stage(s) nested · 2 split(s) nested| Runner | Races in common |
|---|---|