Aiko (甲斐愛子) Kai
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Born : 1973
Cat. W50 Ultrarunner since 2010
53
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
88
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 ?Japan
Taiwan
United States
JapanTaiwanUnited States36,4%
Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 6 918; Σ finishers = 18 996. 6 918 / 18 996 × 100 = 36.42%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed57
Km — ultra races10 904 km
> 100 km31
> 160 km22
> 200 km11
> 24h5
> 48h2
Longest race674,1 km
4th Hirosaki 6days Ultra Run — 23/5/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road72,1%
Trail27,9%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F4
🏅 Top 30
🏅 Top 3 F12
Longest winning streak0
Current streak0
HISTORY
57 race(s)| Runner | Races in common |
|---|---|