Ryszard Silakowski
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
Poland
Switzerland
6,1%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 233; Σ finishers = 3 828. 233 / 3 828 × 100 = 6.09%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 233 km
> 100 km1
> 160 km1
> 24h1
Longest race169,9 km
1. Bieg 24-godzinny Poznan — 16/9/1985
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road94,9%
Trail5,1%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2005 | ||||
| 23.07 | 63km | 5:55:09 h | 4 | |
| 20.03 | 50km | 3:36:13 h | 2 🥈 | |
| 29.01 | 50km | 3:34:34 h | 7 | |
| 2004 | ||||
| 28.03 | 50km | 3:31:32 h | 1 🏆 | |
| 31.01 | 50km | 3:32:12 h | 7 | |
| 1997 | ||||
| 18.10 | 100km | 7:45:20 h | 16 | |
| 1989 | ||||
| 14.10 | 100km | 9:58:49 h | 62 | |
| 1988 | ||||
| 15.10 | 100km | 8:17:37 h | 18 | |
| 1987 | ||||
| 24.10 | 100km | 7:42:25 h | 8 | |
| 12.06 | 100km road race | 8:39:00 h | 91 | |
| 1986 | ||||
| 25.10 | 100km | 7:23:53 h | 3 🥉 | |
| 1985 | ||||
| 26.10 | 100km | 7:28:45 h | 4 | |
| 16.09 | 24h | 169.923 km | 18 | |
| 1984 | ||||
| 27.10 | 100km | 7:41:51 h | 6 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/9/1985 | 1. Bieg 24-godzinny Poznan | 169,92 | ×5 |
| ✓ 2 | 18/10/1997 | XVI Supermaraton 100km Kalisia | 100,00 | ×3 |
| ✓ 3 | 14/10/1989 | VIII Supermaraton 100km Kalisia | 100,00 | ×3 |
| ✓ 4 | 15/10/1988 | VII Supermaraton 100km Kalisia | 100,00 | ×3 |
| ✓ 5 | 24/10/1987 | VI Supermaraton 100km Kalisia | 100,00 | ×3 |
| ✓ 6 | 12/6/1987 | 29. 100 km Lauf Biel (SUI) | 100,00 | ×3 |
| ✓ 7 | 25/10/1986 | V Supermaraton 100km Kalisia | 100,00 | ×3 |
| ✓ 8 | 26/10/1985 | IV Supermaraton 100km Kalisia | 100,00 | ×3 |
| ✓ 9 | 27/10/1984 | III Supermaraton 100km Kalisia | 100,00 | ×3 |
| ✓ 10 | 23/7/2005 | 2. Bärenfels Ultra-Trail | 63,00 | ×1 |
| ✓ 11 | 20/3/2005 | 14. 50 km Lauf Eschollbrücken | 50,00 | ×1 |
| ✓ 12 | 29/1/2005 | 6. 50km-Ultramarathon des RLT Rodgau | 50,00 | ×1 |
| ✓ 13 | 28/3/2004 | 13. 50 km Lauf Eschollbrücken | 50,00 | ×1 |
| ✓ 14 | 31/1/2004 | 5. 50km-Ultramarathon des RLT Rodgau | 50,00 | ×1 |