Yoshiaki (小林義明) Kobayashi
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Born : 1972
Cat. M50 Ultrarunner since 2003
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
4
Countries visited ?Japan
South Korea
Netherlands
Taiwan
JapanSouth KoreaNetherlandsTaiwan23,8%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 5 801; Σ finishers = 24 412. 5 801 / 24 412 × 100 = 23.76%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed23
Km — ultra races2 244 km
> 100 km1
Longest race102,0 km
4th Kobe Akashi Ultra Marathon — 17/5/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road95,5%
Trail4,5%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0
Records
HISTORY
26 race(s) · 1 split(s) nested| Runner | Races in common |
|---|---|