Donald Berdan
Born : 1945 Cat. M80 Ultrarunner since 1996 USA
11
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
83,8%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 336; Σ finishers = 1 595. 1 336 / 1 595 × 100 = 83.76%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed11
Km — ultra races926 km
> 100 km4
> 24h6
Longest race121,1 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road63,1%
Trail36,9%