Horst-Werner Back
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Born : 1937
Cat. M85 Ultrarunner since 1980
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
4
Countries visited ?Germany
Italy
Netherlands
Switzerland
GermanyItalyNetherlandsSwitzerland34,6%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 13 056; Σ finishers = 37 781. 13 056 / 37 781 × 100 = 34.56%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed29
Km — ultra races2 834 km
> 100 km2
> 160 km2
> 24h3
Longest race186,5 km
3. 24 Stundenlauf Mörlenbach — 11/9/1982
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road77,8%
Trail22,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
29 race(s) · 7 split(s) nested| Runner | Races in common |
|---|---|