Donald Caldwell
Born : 1943 Cat. M80 Ultrarunner since 1989 USA
16
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 ?USAUnited States
21,9%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 358; Σ finishers = 1 633. 358 / 1 633 × 100 = 21.92%. A win adds 0 to the numerator. Lower is better.