Kayoko (小阪佳代子) Kosaka
Ultrarunner since 2013 JPN
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
13
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
1
Countries visited ?JPNJapan
64,0%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 687; Σ finishers = 1 073. 687 / 1 073 × 100 = 64.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed3
Km — ultra races190 km
Longest race70,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records