Frits van Duynhoven
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Born : 1940
Cat. M85 Ultrarunner since 1993
3
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
Netherlands33,2%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 64; Σ finishers = 193. 64 / 193 × 100 = 33.16%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed3
Km — ultra races434 km
> 100 km2
> 160 km2
> 24h2
Longest race181,4 km
24h Weert — 31/5/2003
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road39,7%
Ult.Walk60,3%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak1
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2003 | ||||
| 31.05 | 24h | 24h Weert |
181.352 km | 1 🏆 |
| 2000 | ||||
| 21.10 | 24h | 7th IAU 24h EC Uden |
172.300 km | 65 |
| 1993 | ||||
| 10.04 | 80km | Kennedymars - prestatie |
9:11:37 h | 1 🏆 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/5/2003 | 24h Weert | 181,35 | ×9 |
| ✓ 2 | 21/10/2000 | 7th IAU 24h EC Uden | 172,30 | ×8 |
| ✓ 3 | 10/4/1993 | Kennedymars - prestatie | 80,00 | ×4 |