Mark Butler
ID 1552407
Born : 1993 Cat. M23 Ultrarunner since 2021 USA
17
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
1
Countries visited ?USAUnited States
29,1%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 1 158; Σ finishers = 3 985. 1 158 / 3 985 × 100 = 29.06%. A win adds 0 to the numerator. Lower is better.