Piet de Ruyter
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Ultrarunner since 1982
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
2
Countries visited ?
FranceNetherlands
FranceNetherlands77,9%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 197; Σ finishers = 253. 197 / 253 × 100 = 77.87%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races825 km
> 100 km4
> 160 km2
> 24h4
Longest race173,1 km
33ème Les 28 heures int. de Roubaix a la marche — 20/9/1986
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Ult.Walk100,0%
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2005 | ||||
| 07.05 | 24h | 24h Weert |
122.707 km | 40 |
| 2003 | ||||
| 31.05 | 24h | 24h Weert |
137.549 km | 21 |
| 1994 | ||||
| 13.03 | 50km | Sint Oedenrode 50km - Prestatie |
6:56:11 h | 7 |
| 1993 | ||||
| 14.03 | 50km | Sint Oedenrode 50km - Prestatie |
6:40:10 h | 12 |
| 1992 | ||||
| 15.03 | 50km | Sint Oedenrode 50km - Prestatie |
6:33:41 h | 15 |
| 1987 | ||||
| 19.09 | 28h | 34ème Les 28 heures int. de Roubaix a la marche |
161.300 km | 40 |
| 1986 | ||||
| 20.09 | 28h | 33ème Les 28 heures int. de Roubaix a la marche |
173.090 km | 44 |
| 1982 | ||||
| 10.04 | 50mi | Kennedymars |
11:11:28 h | 26 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/9/1986 | 33ème Les 28 heures int. de Roubaix a la marche | 173,09 | ×6 |
| ✓ 2 | 19/9/1987 | 34ème Les 28 heures int. de Roubaix a la marche | 161,30 | ×6 |
| ✓ 3 | 31/5/2003 | 24h Weert | 137,55 | ×5 |
| ✓ 4 | 7/5/2005 | 24h Weert | 122,71 | ×4 |
| ✓ 5 | 10/4/1982 | Kennedymars | 80,47 | ×3 |
| ✓ 6 | 13/3/1994 | Sint Oedenrode 50km - Prestatie | 50,00 | ×1 |
| ✓ 7 | 14/3/1993 | Sint Oedenrode 50km - Prestatie | 50,00 | ×1 |
| ✓ 8 | 15/3/1992 | Sint Oedenrode 50km - Prestatie | 50,00 | ×1 |