In-Seok (조인석) Jo
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Born : 1962
Cat. M60 Ultrarunner since 2002
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?South Korea
Taiwan
South KoreaTaiwan29,7%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 622; Σ finishers = 2 096. 622 / 2 096 × 100 = 29.68%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed30
Km — ultra races3 148 km
> 100 km8
> 160 km3
> 200 km1
> 24h3
Longest race311,0 km
3rd Trans Korea 311 km West to East — 21/9/2002
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road94,6%
Trail5,4%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 36
🏅 Top 3 M6
Longest winning streak1
Current streak0
HISTORY
30 race(s) · 1 split(s) nested| Runner | Races in common |
|---|---|