Radmer Arnoud Schalkx
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Born : 1972
Cat. M50 Ultrarunner since 2008
44
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
65
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
12
Countries visited ?
Austria
Belgium
Spain
France
United Kingdom
Germany
Greece
Italy
LiechtensteinNetherlands
Sweden
United States
AustriaBelgiumSpainFranceUnited KingdomGermanyGreeceItalyLiechtensteinNetherlandsSwedenUnited States30,9%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 3 840; Σ finishers = 12 423. 3 840 / 12 423 × 100 = 30.91%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed44
Km — ultra races5 933 km
> 100 km21
> 160 km14
> 200 km9
> 24h3
Longest race431,3 km
14th Winter Spine Race — 11/1/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road17,9%
Trail82,1%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0
HISTORY
47 race(s) · 9 split(s) nested| Runner | Races in common |
|---|---|