Hans Havinga
Born : 1961 Cat. M65 Ultrarunner since 2006 NED
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
4
Countries visited ?BELBelgiumFRAFranceGERGermanyNEDNetherlands
71,5%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 943; Σ finishers = 1 319. 943 / 1 319 × 100 = 71.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed9
Km — ultra races568 km
Longest race100,0 km

Km per year (ultra races)

2022
2023
2024
52
1 race
2025
2026

Race types (share of distance)

Road10,3%
Trail89,7%