Chistof Rafael Sadowski
External sources
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6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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
4
Countries visited ?
United Kingdom
Germany
Japan
Switzerland
25,9%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 390; Σ finishers = 1 503. 390 / 1 503 × 100 = 25.95%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races357 km
Longest race68,0 km
31th Yatsugatake Nobeyama 68 km — 18/5/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road19,1%
Trail80,9%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 18.05 | 68km | 7:38:41 h | 40 | |
| 26.04 | 66km | 8:44:25 h | 187 | |
| 05.04 | 50km | 4:55:32 h | 24 | |
| 2024 | ||||
| 10.08 | 53.8km | 10:15:52 h | 56 | |
| 27.07 | 53km | 6:13:06 h | 6 | |
| 20.04 | 66km | 8:07:46 h | 83 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/5/2025 | 31th Yatsugatake Nobeyama 68 km | 68,00 | ×4 |
| ✓ 2 | 26/4/2025 | 4. Ultratrail Fränkische Schweiz 66km - offener Lauf | 66,00 | ×3 |
| ✓ 3 | 20/4/2024 | 3. Ultratrail Fränkische Schweiz | 66,00 | ×3 |
| ✓ 4 | 10/8/2024 | 4. Madrisa Trail T54 | 53,80 | ×3 |
| ✓ 5 | 27/7/2024 | Crazy Runners Frankenwald Trail | 53,00 | ×3 |
| ✓ 6 | 5/4/2025 | 7th Chiltern Ridge 50K | 50,00 | ×2 |
