Emiel van Berkum
Born : 1955 Cat. M70 Ultrarunner since 1986 NED
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 ?NEDNetherlands
30,1%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 268; Σ finishers = 890. 268 / 890 × 100 = 30.11%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed9
Km — ultra races861 km
Longest race100,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road92,9%
Trail7,1%

Records