Erik M. Huisman
Born : 1965 Cat. M60 Ultrarunner since 2005 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
3
Countries visited ?LUXLuxembourgNEDNetherlandsSUISwitzerland
80,1%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 069; Σ finishers = 1 335. 1 069 / 1 335 × 100 = 80.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8
Km — ultra races708 km
> 100 km2
Longest race113,0 km

Km per year (ultra races)

2022
80
1 race
2023
100
1 race
2024
475
5 races
2025
2026

Race types (share of distance)

Road7,4%
Trail92,6%