Jürgen Ruczynski
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
1
Countries visited ?
Germany
74,9%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 596; Σ finishers = 2 132. 1 596 / 2 132 × 100 = 74.86%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 127 km
> 100 km4
> 24h5
Longest race142,8 km
6. Burginsellauf Delmenhorst — 20/6/2009
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road63,8%
Trail29,0%
?7,1%
HISTORY
19 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/6/2009 | 6. Burginsellauf Delmenhorst | 142,79 | ×5 |
| ✓ 2 | 24/4/2010 | 3. 24h-Benefiz-Lauf am Seilersee | 121,58 | ×4 |
| ✓ 3 | 14/5/2022 | Bottroper Ultralauf Festival 24h (BUF) - offener Lauf | 101,86 | ×3 |
| ✓ 4 | 27/5/2023 | 24h Lauf Braunschweig - Offener Lauf | 101,73 | ×3 |
| ✓ 5 | 7/11/2009 | Kein idyllischer Landschaftslauf 50mi (KILL50) | 80,47 | ×2 |
| ✓ 6 | 23/8/2009 | 1. Allgäu Panorama Ultra Trail | 68,20 | ×2 |
| ✓ 7 | 10/11/2019 | 6. UltraSteinhart666 | 56,00 | ×2 |
| ✓ 8 | 19/8/2017 | 2. Rubbenbruchsee 6h Lauf | 52,87 | ×1 |
| ✓ 9 | 1/7/2017 | 4. 24-Stunden-Benefizlauf Bünde (Mit Else läuft's) | 51,06 | ×1 |
| ✓ 10 | 20/6/2026 | 12. Messerpokallauf / Steinbacher Trailcross am Inselsberg | 50,00 | ×1 |
| ✓ 11 | 8/11/2025 | Graf Engelbert von Berg-Ultramarathon - Von der Wiege zur Bahre | 50,00 | ×1 |
| ✓ 12 | 28/1/2018 | 19. Winterlauf in Oldendorf 50km | 50,00 | ×1 |
| ✓ 13 | 11/3/2017 | 8. 6-Stunden-Lauf Münster - offener Lauf | 50,00 | ×1 |
| ✓ 14 | 29/1/2017 | 18. Winterlauf in Oldendorf 50km | 50,00 | ×1 |
| ✓ 15 | 3/12/2016 | 9. Bremer Bergmarathon mit Höhenmetersammmlung | 50,00 | ×1 |