Chizuko (塚原智都子) Tsukahara
ID 288923
Ultrarunner since 2012 JPN
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
78,6%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 2 034; Σ finishers = 2 588. 2 034 / 2 588 × 100 = 78.59%. A win adds 0 to the numerator. Lower is better.