Herman Jakobs
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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 ?
Belgium
Greece
Netherlands
Switzerland
46,0%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 122; Σ finishers = 2 439. 1 122 / 2 439 × 100 = 46.00%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 734 km
> 100 km6
> 160 km3
> 200 km1
> 24h3
Longest race245,3 km
23. Spartathlon — 30/9/2005
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road60,0%
Trail40,0%
HISTORY
17 race(s) · 2 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/9/2005 | 23. Spartathlon | 245,30 | ×6 |
| ✓ 2 | 1/4/2006 | 24 uurs ultraloop Stein | 193,40 | ×5 |
| ✓ 3 | 9/5/2009 | 4e 24uur van Steenbergen | 182,38 | ×4 |
| ✓ 4 | 28/3/2005 | 8e De 120 van Texel | 120,00 | ×3 |
| ✓ 5 | 21/4/2003 | 7e De 120 van Texel | 120,00 | ×3 |
| ✓ 6 | 8/5/2010 | 5e 24uur van Steenbergen | 102,55 | ×2 |
| ✓ 7 | 20/10/2002 | 100 km ultraloop Stein | 100,00 | ×2 |
| ✓ 8 | 29/9/2001 | 26. IAU 100km EC Winschoten | 100,00 | ×2 |
| ✓ 9 | 9/9/2000 | 25. IAU 100km WC Winschoten | 100,00 | ×2 |
| ✓ 10 | 26/7/2003 | 18. Swiss Alpine Marathon | 78,00 | ×2 |
| ✓ 11 | 2/3/2008 | 13de Zes uurs ultraloop Stein | 68,86 | ×1 |
| ✓ 12 | 4/10/1998 | 6h Ultraloop Amersfoort | 68,58 | ×1 |
| ✓ 13 | 6/3/2005 | 10de Zes uurs ultraloop Stein | 68,42 | ×1 |
| ✓ 14 | 26/11/2006 | 11ème Olne-Spa-Olne | 66,00 | ×1 |
| ✓ 15 | 25/11/2001 | 6ème Olne-Spa-Olne | 64,00 | ×1 |
| ✓ 16 | 4/3/2007 | 12de Zes uurs ultraloop Stein | 56,20 | ×1 |