Manfred Stronczyk
Born : 1954 Cat. M70 Ultrarunner since 2000 GER
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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 ?GERGermanySUISwitzerland
45,9%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 4 234; Σ finishers = 9 229. 4 234 / 9 229 × 100 = 45.88%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races1 259 km
> 100 km1
> 24h1
Longest race102,5 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road62,8%
Trail37,2%