Yu-Feng (张宇峰) Zhang
ID 933485
Born : 1969 Cat. M55 Ultrarunner since 2016 CHN
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
2
Countries visited ?CHNChinaITAItaly
65,5%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 6 146; Σ finishers = 9 385. 6 146 / 9 385 × 100 = 65.49%. A win adds 0 to the numerator. Lower is better.