Akiko (久保亜樹子) Kubo
Born : 1983 Cat. W40 Ultrarunner since 2011 JPN
24
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
2
Countries visited ?ITAItalyJPNJapan
24,2%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 2 942; Σ finishers = 12 150. 2 942 / 12 150 × 100 = 24.21%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races2 306 km
> 100 km8
> 160 km1
> 200 km1
Longest race330,0 km

Km per year (ultra races)

239
3 races
2022
229
2 races
2023
138
1 race
2024
492
3 races
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F4
Longest winning streak0
Current streak0