Takashi (佐久間隆) Sakuma
ID 214723
Born : 1959 Cat. M65 Ultrarunner since 2010 JPN
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
58,2%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 6 356; Σ finishers = 10 912. 6 356 / 10 912 × 100 = 58.25%. A win adds 0 to the numerator. Lower is better.