Karl Kevin Ruul
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Born : 2001
Cat. M23 Ultrarunner since 2022
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
6
Countries visited ?
AustriaEstonia
Finland
Latvia
Switzerland
United States
AustriaEstoniaFinlandLatviaSwitzerlandUnited States23,0%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 272; Σ finishers = 1 182. 272 / 1 182 × 100 = 23.01%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races2 340 km
> 100 km12
> 160 km7
> 200 km5
> 24h9
> 48h1
Longest race375,5 km
14th Big Dog's Backyard Ultra — 18/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road13,2%
Trail22,1%
Elim.64,8%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak1
HISTORY
16 race(s) · 1 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/10/2025 | 14th Big Dog's Backyard Ultra | 375,54 | ×8 |
| ✓ 2 | 19/10/2024 | 3rd Backyard Ultra World Team Championships - Estonia | 241,42 | ×5 |
| ✓ 3 | 6/6/2026 | 6 Ida-Virumaa 24 Hour Stadium Run | 215,92 | ×4 |
| ✓ 4 | 12/4/2025 | 3rd Backyard ultra Lusa Pedas | 214,59 | ×4 |
| ✓ 5 | 27/6/2025 | 7th Nuuksio Backyard Ultra | 207,89 | ×4 |
| ✓ 6 | 13/4/2024 | 2nd Backyard ultra Lusa Pedas | 187,77 | ×4 |
| ✓ 7 | 30/6/2023 | 5th Nuuksio Backyard Ultra | 167,65 | ×3 |
| ✓ 8 | 9/8/2024 | 7. Swiss Alps 100 - 100mi | 160,00 | ×3 |
| ✓ 9 | 12/8/2023 | 5 Heavy Metal Ultra | 120,71 | ×2 |
| ✓ 10 | 1/6/2024 | 12. Mozart 100 | 105,00 | ×2 |
| ✓ 11 | 11/1/2025 | 8. Taliharja Vanakuri Winter Ultra Endurance Race - 101km | 101,00 | ×2 |
| ✓ 12 | 14/1/2023 | 6. Taliharja Vanakuri Winter Ultra Endurance Race - 101km | 101,00 | ×2 |
| ✓ 13 | 2/4/2022 | Põgenemine Paldiskist | 91,97 | ×2 |
| ✓ 14 | 16/9/2023 | Veetka Ultra | 50,00 | ×1 |