Marek Gulbierz
External sources
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Born : 1961
Cat. M65 Ultrarunner since 1991
37
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
66
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
8
Countries visited ?
Canada
Czechia
Spain
Germany
Italy
South Korea
NetherlandsPoland
CanadaCzechiaSpainGermanyItalySouth KoreaNetherlandsPoland53,5%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 1 548; Σ finishers = 2 894. 1 548 / 2 894 × 100 = 53.49%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed41
Km — ultra races6 399 km
> 100 km26
> 160 km17
> 200 km10
> 24h34
> 48h11
Longest race466,9 km
1. 72h Lauf in Deventer — 29/6/2000
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road97,7%
Elim.2,3%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 35
🏅 Top 3 M5
Longest winning streak1
Current streak0
HISTORY
47 race(s) · 14 split(s) nested| Runner | Races in common |
|---|---|