Marcelino Sobczak
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1968
Cat. M55 Ultrarunner since 2006
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
2
Countries visited ?Netherlands
United States
NetherlandsUnited States25,5%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 219; Σ finishers = 860. 219 / 860 × 100 = 25.47%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed22
Km — ultra races1 806 km
> 100 km6
> 160 km2
> 24h3
Longest race160,9 km
7th Ultracentric 24 Hour Run — 17/11/2007
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road12,1%
Ult.Walk87,9%
Wins & podiums (ultra)
🏆 Win7
🏆 Win M7
🏅 Top 312
🏅 Top 3 M12
Longest winning streak3
Current streak3
HISTORY
22 race(s)| Runner | Races in common |
|---|---|