Jan Knippenberg
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Born : 1948
Cat. M75 Ultrarunner since 1976
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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 ?
United KingdomNetherlands
United KingdomNetherlands25,2%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 78; Σ finishers = 309. 78 / 309 × 100 = 25.24%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races1 084 km
> 100 km3
> 160 km1
> 24h2
Longest race160,1 km
24 hour Crystal Palace Track Race — 15/10/1977
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road83,4%
Trail16,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
10 race(s) · 3 split(s) nested| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1993 | ||||
| 12.04 | 120km | 2e De 120 van Texel |
11:18:50 h | 3 🥉 |
| 1991 | ||||
| 01.04 | 60km | 1e De Zestig van Texel |
5:19:48 h | 33 |
| 1981 | ||||
| 12.09 | 100km | 6. RUN Winschoten 100 km |
7:37:33 h | 5 |
| 1980 | ||||
| 22.06 | 100km | 100K road race Grantham |
7:15:51 h | 4 |
| 1979 | ||||
| 27.10 | 24h | 24 hour Crystal Palace Track Race |
144.000 km | 15 |
| 1978 | ||||
| 28.10 | 100km | 100 km Crystal Palace Track Race |
7:07:50 h | 4 |
| 28.10 | 50km | 100 km Crystal Palace Track Race - 50km Split | 3:11:14 h | 5 |
| 28.10 | 50mi | 100 km Crystal Palace Track Race - 50 mi Split | 5:19:17 h | 4 |
| 09.09 | 100km | 3. RUN Winschoten 100 km |
7:10:01 h | 4 |
| 1977 | ||||
| 15.10 | 24h | 24 hour Crystal Palace Track Race |
160.093 km | 12 |
| 15.10 | 100mi | 24 hour Crystal Palace Track Race - 100mi Split | 17:21:42 h | 7 |
| 1976 | ||||
| 06.11 | 100km | 100 km Crystal Palace Track Race |
7:04:06 h | 5 |
| 25.09 | 100km | 1. RUN Winschoten 100 km |
6:58:49 h | 3 🥉 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/10/1977 | 24 hour Crystal Palace Track Race | 160,09 | ×5 |
| ✓ 2 | 27/10/1979 | 24 hour Crystal Palace Track Race | 144,00 | ×4 |
| ✓ 3 | 12/4/1993 | 2e De 120 van Texel | 120,00 | ×3 |
| ✓ 4 | 12/9/1981 | 6. RUN Winschoten 100 km | 100,00 | ×3 |
| ✓ 5 | 22/6/1980 | 100K road race Grantham | 100,00 | ×3 |
| ✓ 6 | 28/10/1978 | 100 km Crystal Palace Track Race | 100,00 | ×3 |
| ✓ 7 | 9/9/1978 | 3. RUN Winschoten 100 km | 100,00 | ×3 |
| ✓ 8 | 6/11/1976 | 100 km Crystal Palace Track Race | 100,00 | ×3 |
| ✓ 9 | 25/9/1976 | 1. RUN Winschoten 100 km | 100,00 | ×3 |
| ✓ 10 | 1/4/1991 | 1e De Zestig van Texel | 60,00 | ×1 |