Tatsuo (名塚達夫) Nazuka
Born : 1951 Cat. M75 Ultrarunner since 2001 JPN
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
7,1%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 562; Σ finishers = 7 865. 562 / 7 865 × 100 = 7.15%. A win adds 0 to the numerator. Lower is better.