Johan van Litsenburg
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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 ?
Belgium
Netherlands
62,0%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 774; Σ finishers = 2 859. 1 774 / 2 859 × 100 = 62.05%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races912 km
Longest race100,0 km
34. RUN Winschoten 100 km — 12/9/2009
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road36,4%
Trail63,6%
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 29.03 | 60km | 7:45:03 h | 643 | |
| 2019 | ||||
| 03.02 | 50km | 7:24:27 h | 63 | |
| 2017 | ||||
| 05.02 | 47.4km | 6:25:34 h | 44 | |
| 2015 | ||||
| 06.04 | 60km | 6:51:25 h | 362 | |
| 2013 | ||||
| 01.04 | 60km | 6:16:51 h | 220 | |
| 2011 | ||||
| 25.04 | 60km | 6:09:51 h | 84 | |
| 2009 | ||||
| 12.09 | 50km | 4:23:26 h | 18 | |
| 12.09 | 100km | 9:35:46 h | 18 | |
| 13.04 | 60km | 5:29:11 h | 45 | |
| 01.03 | 6h | 50.000 km | 152 | |
| 2003 | ||||
| 21.04 | 60km | 5:19:59 h | 26 | |
| 09.03 | 6h | 65.999 km | 44 | |
| 2001 | ||||
| 16.04 | 6h | 65.876 km | 25 | |
| 17.02 | 50km | 3:52:01 h | 30 | |
| 1997 | ||||
| 31.03 | 60km | 4:50:19 h | 12 | |
| 1996 | ||||
| 10.11 | 62.5km | 4:56:02 h | 21 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/9/2009 | 34. RUN Winschoten 100 km | 100,00 | ×3 |
| ✓ 2 | 9/3/2003 | 8de Zes uurs ultraloop Stein | 66,00 | ×2 |
| ✓ 3 | 16/4/2001 | De Zes Uur van Texel | 65,88 | ×2 |
| ✓ 4 | 10/11/1996 | 19e Ultraloop om de Haarlemmermeer | 62,50 | ×2 |
| ✓ 5 | 29/3/2026 | 18e De Zestig van Texel | 60,00 | ×2 |
| ✓ 6 | 6/4/2015 | 13e De Zestig van Texel | 60,00 | ×2 |
| ✓ 7 | 1/4/2013 | 12e De Zestig van Texel | 60,00 | ×2 |
| ✓ 8 | 25/4/2011 | 11e De Zestig van Texel | 60,00 | ×2 |
| ✓ 9 | 13/4/2009 | 10e De Zestig van Texel | 60,00 | ×2 |
| ✓ 10 | 21/4/2003 | 7e De Zestig van Texel | 60,00 | ×2 |
| ✓ 11 | 31/3/1997 | 4e De Zestig van Texel | 60,00 | ×2 |
| ✓ 12 | 3/2/2019 | Hivernal Trail | 50,00 | ×1 |
| ✓ 13 | 1/3/2009 | 14de Zes uurs ultraloop Stein | 50,00 | ×1 |
| ✓ 14 | 17/2/2001 | De 50 km van Zolder | 50,00 | ×1 |
| ✓ 15 | 5/2/2017 | Hivernal Trail | 47,40 | ×1 |