Shuko (前島周子) Maejima
Born : 1968 Cat. W55 Ultrarunner since 2013 JPN
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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 ?JPNJapanUSAUnited States
27,6%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 6 045; Σ finishers = 21 891. 6 045 / 21 891 × 100 = 27.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races1 742 km
> 100 km3
> 160 km1
Longest race200,0 km
1st Japan Trophy 200 — 10/1/2021

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road75,2%
Trail24,8%

Wins & podiums (ultra)

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