Mayumi (出倉真由美) Idekura
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Born : 1951
Cat. W75 Ultrarunner since 2006
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?Japan
Japan55,8%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 13 177; Σ finishers = 23 597. 13 177 / 23 597 × 100 = 55.84%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed36
Km — ultra races3 147 km
> 100 km2
Longest race112,0 km
21st Fuji 5 Lakes 112 km Challenge — 30/4/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road93,6%
Trail6,4%
Records
HISTORY
36 race(s)| Runner | Races in common |
|---|---|