Klaas Laan
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Born : 1958
Cat. M65 Ultrarunner since 2006
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Netherlands67,5%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 044; Σ finishers = 1 547. 1 044 / 1 547 × 100 = 67.49%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races768 km
Longest race61,5 km
5e Ronde van Amsterdam — 5/7/2008
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2016 | ||||
| 22.01 | 50km | Dutch coast ultra-run by night 50 km |
6:20:00 h | 24 |
| 2015 | ||||
| 06.09 | 53km | Wisenttrail |
6:13:54 h | 24 |
| 14.03 | 50km | 4. SallandTrail 50 km |
5:51:38 h | 147 |
| 2014 | ||||
| 30.08 | 50km | 50 km Monnikentocht |
5:13:00 h | 26 |
| 05.07 | 60km | 11e Ronde van Amsterdam |
7:19:35 h | 24 |
| 08.03 | 50km | 3. SallandTrail 50km |
5:29:59 h | 83 |
| 2013 | ||||
| 23.06 | 52km | 52 km Veluwezoom Trail |
6:04:02 h | 124 |
| 01.04 | 60km | 12e De Zestig van Texel |
6:38:07 h | 297 |
| 16.02 | 50km | Texel Trail |
5:28:45 h | 25 |
| 2012 | ||||
| 12.05 | 50km | 28e Eemlake Run (Eemmeerloop) |
5:04:42 h | 28 |
| 2009 | ||||
| 13.04 | 60km | 10e De Zestig van Texel |
6:01:07 h | 126 |
| 2008 | ||||
| 05.07 | 61.5km | 5e Ronde van Amsterdam |
7:04:00 h | 9 |
| 2007 | ||||
| 09.04 | 60km | 9e De Zestig van Texel |
5:59:03 h | 112 |
| 2006 | ||||
| 01.07 | 61.3km | 3e Ronde van Amsterdam |
8:06:36 h | 9 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/7/2008 | 5e Ronde van Amsterdam | 61,50 | ×2 |
| ✓ 2 | 1/7/2006 | 3e Ronde van Amsterdam | 61,30 | ×2 |
| ✓ 3 | 5/7/2014 | 11e Ronde van Amsterdam | 60,00 | ×2 |
| ✓ 4 | 1/4/2013 | 12e De Zestig van Texel | 60,00 | ×2 |
| ✓ 5 | 13/4/2009 | 10e De Zestig van Texel | 60,00 | ×2 |
| ✓ 6 | 9/4/2007 | 9e De Zestig van Texel | 60,00 | ×2 |
| ✓ 7 | 6/9/2015 | Wisenttrail | 53,00 | ×2 |
| ✓ 8 | 23/6/2013 | 52 km Veluwezoom Trail | 52,00 | ×2 |
| ✓ 9 | 22/1/2016 | Dutch coast ultra-run by night 50 km | 50,00 | ×2 |
| ✓ 10 | 14/3/2015 | 4. SallandTrail 50 km | 50,00 | ×2 |
| ✓ 11 | 30/8/2014 | 50 km Monnikentocht | 50,00 | ×2 |
| ✓ 12 | 8/3/2014 | 3. SallandTrail 50km | 50,00 | ×2 |
| ✓ 13 | 16/2/2013 | Texel Trail | 50,00 | ×2 |
| ✓ 14 | 12/5/2012 | 28e Eemlake Run (Eemmeerloop) | 50,00 | ×2 |