Jeroen Klein
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Born : 1980
Cat. M45 Ultrarunner since 2021
13
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
Netherlands61,7%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 265; Σ finishers = 2 049. 1 265 / 2 049 × 100 = 61.74%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races763 km
Longest race80,0 km
Salomon Koning van Spanje Trail - 80km — 13/5/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road7,6%
Trail92,4%
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 24.01 | 50km | Pierewaai Winter Trail 50km |
6:26:38 h | 37 |
| 2025 | ||||
| 23.11 | 60km | 7. Graef Castricum Trail Ultra 60km |
7:13:59 h | 42 |
| 11.10 | 75km | Indian Summer Ultra 75 km |
10:32:34 h | 76 |
| 28.06 | 6h | 24 Zes uur van de Haarlemmermeer |
58.036 km | 16 |
| 12.04 | 52km | Runforestrun Hart van Drenthe |
5:50:34 h | 33 |
| 2024 | ||||
| 26.05 | 50km | Amerongse Berg Ultra 50k |
5:57:25 h | 90 |
| 24.03 | 60km | 17e De Zestig van Texel |
5:59:47 h | 233 |
| 09.03 | 50km | 11. SallandTrail 50 km |
5:21:17 h | 77 |
| 2023 | ||||
| 09.07 | 58km | Veluwezoomtrail Ultra60 |
7:59:49 h | 97 |
| 13.05 | 80km | Salomon Koning van Spanje Trail - 80km |
14:13:09 h | 73 |
| 11.03 | 50km | 10. SallandTrail 50 km |
5:52:37 h | 185 |
| 2022 | ||||
| 27.03 | 60km | 16e De Zestig van Texel |
6:23:05 h | 288 |
| 2021 | ||||
| 14.11 | 60km | Graef Castricum Trail Ultra 60km |
7:33:05 h | 31 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/5/2023 | Salomon Koning van Spanje Trail - 80km | 80,00 | ×3 |
| ✓ 2 | 11/10/2025 | Indian Summer Ultra 75 km | 75,00 | ×3 |
| ✓ 3 | 23/11/2025 | 7. Graef Castricum Trail Ultra 60km | 60,00 | ×2 |
| ✓ 4 | 24/3/2024 | 17e De Zestig van Texel | 60,00 | ×2 |
| ✓ 5 | 27/3/2022 | 16e De Zestig van Texel | 60,00 | ×2 |
| ✓ 6 | 14/11/2021 | Graef Castricum Trail Ultra 60km | 60,00 | ×2 |
| ✓ 7 | 28/6/2025 | 24 Zes uur van de Haarlemmermeer | 58,04 | ×2 |
| ✓ 8 | 9/7/2023 | Veluwezoomtrail Ultra60 | 58,00 | ×2 |
| ✓ 9 | 12/4/2025 | Runforestrun Hart van Drenthe | 52,00 | ×2 |
| ✓ 10 | 24/1/2026 | Pierewaai Winter Trail 50km | 50,00 | ×2 |
| ✓ 11 | 26/5/2024 | Amerongse Berg Ultra 50k | 50,00 | ×2 |
| ✓ 12 | 9/3/2024 | 11. SallandTrail 50 km | 50,00 | ×2 |
| ✓ 13 | 11/3/2023 | 10. SallandTrail 50 km | 50,00 | ×2 |