Masako (山口雅子) Yamaguchi
Born : 1966 Cat. W60 Ultrarunner since 2011 JPN
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
46,2%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 2 187; Σ finishers = 4 737. 2 187 / 4 737 × 100 = 46.17%. A win adds 0 to the numerator. Lower is better.