Feng-Tai (宋风台) Song
Born : 1969 Cat. M55 Ultrarunner since 2016 CHN
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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 ?CHNChina
45,2%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 2 250; Σ finishers = 4 977. 2 250 / 4 977 × 100 = 45.21%. A win adds 0 to the numerator. Lower is better.