Nikolaj van den Haak
External sources
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19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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 ?
Germany
Greece
Netherlands
11,8%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 697; Σ finishers = 5 921. 697 / 5 921 × 100 = 11.77%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed19
Km — ultra races2 058 km
> 100 km7
> 160 km5
> 200 km1
> 24h3
Longest race246,0 km
42. Spartathlon — 27/9/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road66,4%
Trail26,5%
Elim.7,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M3
Longest winning streak0
Current streak0
HISTORY
20 race(s) · 6 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/9/2025 | 42. Spartathlon | 246,00 | ×6 |
| ✓ 2 | 3/5/2025 | 4. 24hrs Sittard | 180,58 | ×4 |
| ✓ 3 | 16/8/2025 | 13. Mauerweglauf 100 Meilen Berlin | 160,93 | ×4 |
| ✓ 4 | 5/10/2024 | 7. Taubertal 100mi | 160,93 | ×4 |
| ✓ 5 | 12/8/2023 | 11. Mauerweglauf 100 Meilen Berlin | 160,93 | ×4 |
| ✓ 6 | 12/7/2025 | 5. O-See Backyard Ultra | 147,53 | ×3 |
| ✓ 7 | 29/3/2026 | 18e De 120 van Texel | 120,00 | ×3 |
| ✓ 8 | 17/8/2024 | 35. Leipziger 100 km Lauf am Auensee | 100,00 | ×2 |
| ✓ 9 | 21/8/2021 | 32. Leipziger 100 km Lauf am Auensee | 100,00 | ×2 |
| ✓ 10 | 28/6/2025 | 12. Sachsentrail im Erzgebirge | 75,00 | ×1 |
| ✓ 11 | 22/6/2024 | 11. Sachsentrail im Erzgebirge | 74,50 | ×1 |
| ✓ 12 | 24/6/2023 | 10. Sachsentrail im Erzgebirge | 74,50 | ×1 |
| ✓ 13 | 25/5/2024 | 51. GutsMuths-Rennsteiglauf | 73,90 | ×1 |
| ✓ 14 | 13/5/2023 | 50. GutsMuths-Rennsteiglauf | 73,90 | ×1 |
| ✓ 15 | 4/11/2023 | 3. Hallescher 6-Stunden-Lauf | 68,92 | ×1 |
| ✓ 16 | 23/3/2024 | 3. 24hrs Sittard | 66,96 | ×1 |
| ✓ 17 | 2/11/2024 | 4. Hallescher 6-Stunden-Lauf | 64,83 | ×1 |
| ✓ 18 | 8/11/2025 | 5. Hallescher 6-Stunden-Lauf | 55,69 | ×1 |
| ✓ 19 | 30/4/2022 | 41. Harzquerung Wernigerode-Nordhausen | 53,00 | ×1 |