Henk Huizink
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Born : 1938
Cat. M85 Ultrarunner since 1979
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
1
Countries visited ?Netherlands
Netherlands97,1%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 669; Σ finishers = 689. 669 / 689 × 100 = 97.10%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races527 km
Longest race100,0 km
4. RUN Winschoten 100 km — 8/9/1979
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road19,0%
Trail81,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1987 | ||||
| 08.11 | 61km | 10e Schipholloop |
6:06:48 h | 82 |
| 1986 | ||||
| 02.11 | 61km | 9e Schipholloop |
6:12:33 h | 74 |
| 1985 | ||||
| 03.11 | 61km | 8e Schipholloop |
6:11:07 h | 71 |
| 1984 | ||||
| 04.11 | 61km | 7e Schipholloop |
6:07:24 h | 112 |
| 1982 | ||||
| 07.11 | 61km | 5e Schipholloop |
5:41:50 h | 90 |
| 1981 | ||||
| 01.11 | 61km | 4e Schipholloop |
6:12:00 h | 95 |
| 1980 | ||||
| 02.11 | 61km | 3e Schipholloop |
6:14:22 h | 78 |
| 1979 | ||||
| 08.09 | 100km | 4. RUN Winschoten 100 km |
14:48:00 h | 75 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/9/1979 | 4. RUN Winschoten 100 km | 100,00 | ×5 |
| ✓ 2 | 8/11/1987 | 10e Schipholloop | 61,00 | ×3 |
| ✓ 3 | 2/11/1986 | 9e Schipholloop | 61,00 | ×3 |
| ✓ 4 | 3/11/1985 | 8e Schipholloop | 61,00 | ×3 |
| ✓ 5 | 4/11/1984 | 7e Schipholloop | 61,00 | ×3 |
| ✓ 6 | 7/11/1982 | 5e Schipholloop | 61,00 | ×3 |
| ✓ 7 | 1/11/1981 | 4e Schipholloop | 61,00 | ×3 |
| ✓ 8 | 2/11/1980 | 3e Schipholloop | 61,00 | ×3 |