Mamiko (伊藤麻美子) Ito
Born : 1979 Cat. W45 Ultrarunner since 2011 JPN
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
38
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
76,9%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 10 982; Σ finishers = 14 274. 10 982 / 14 274 × 100 = 76.94%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20
Km — ultra races1 929 km
Longest race100,0 km

Km per year (ultra races)

100
1 race
2022
200
2 races
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0