Jan Grüneberg
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
77,8%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 2 588; Σ finishers = 3 326. 2 588 / 3 326 × 100 = 77.81%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races676 km
Longest race100,0 km
10. TorTour de Ruhr - 100km Nonstop — 24/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road91,1%
Trail8,9%
HISTORY
12 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/5/2026 | 10. TorTour de Ruhr - 100km Nonstop | 100,00 | ×4 |
| ✓ 2 | 29/8/2025 | 12 h - Bad Laasphe Summer City Games | 73,60 | ×3 |
| ✓ 3 | 20/6/2015 | 5. Zugspitz Supertrail | 60,00 | ×2 |
| ✓ 4 | 22/2/2025 | 4. HaWei50 - 50 km Ultralauf rund um den Hardtsee - DM 50 km | 50,00 | ×2 |
| ✓ 5 | 27/1/2024 | 24. 50km-Ultramarathon des RLT Rodgau | 50,00 | ×2 |
| ✓ 6 | 28/1/2023 | 23. 50km-Ultramarathon des RLT Rodgau | 50,00 | ×2 |
| ✓ 7 | 30/1/2016 | 17. 50km-Ultramarathon des RLT Rodgau | 50,00 | ×2 |
| ✓ 8 | 14/4/2019 | 3. 6-Stunden-Lauf der SKV Mörfelden - offener Lauf | 48,23 | ×2 |
| ✓ 9 | 7/4/2024 | 6. 6-Stunden-Lauf der SKV Mörfelden - offener Lauf | 48,03 | ×2 |