Masanori (安井正徳) Yasui
ID 218418
Born : 1960 Cat. M65 Ultrarunner since 2009 JPN
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
74,1%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 8 884; Σ finishers = 11 989. 8 884 / 11 989 × 100 = 74.10%. A win adds 0 to the numerator. Lower is better.