Ladislav Janku
Born : 1942 Cat. M80 Ultrarunner since 1985 CZE
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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 ?AUTAustriaCZECzechiaSVKSlovakia
52,9%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 164; Σ finishers = 310. 164 / 310 × 100 = 52.90%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed7
Km — ultra races609 km
> 100 km1
Longest race106,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road74,4%
Trail8,2%
?17,4%