Martin Grootveld
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Born : 1957
Cat. M65 Ultrarunner since 2010
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
Netherlands80,6%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 858; Σ finishers = 1 064. 858 / 1 064 × 100 = 80.64%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 146 km
> 100 km2
> 160 km1
> 200 km1
> 24h4
Longest race248,0 km
16. Pieter-ROG-pad — 12/6/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road55,1%
Trail23,3%
Stage21,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
14 race(s) · 2 split(s) nested| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 11.03 | 50km | 6. SallandTrail 50 km |
6:03:35 h | 179 |
| 2016 | ||||
| 28.12 | 6h | De Zes Uur van Deventer |
57.173 km | 12 |
| 19.06 | 55km | 55 km Veluwezoom Trail |
6:57:22 h | 56 |
| 2015 | ||||
| 19.12 | 24h | LangsteNachtLoop 24 uurs |
65.460 km | 37 |
| 19.12 | 50km | LangsteNachtLoop 24 uurs - 50km Split | 5:56:50 h | 22 |
| 2014 | ||||
| 22.06 | 52km | 52 km Veluwezoom Trail |
5:37:35 h | 93 |
| 12.06 | 248km/4stages | 16. Pieter-ROG-pad |
32:18:00 h | 4 |
| 10.05 | 24h | 10e 24uur van Steenbergen - Nationaal Kampioenschap Nederland |
90.251 km | 21 |
| 10.05 | 24h | 10e 24uur van Steenbergen |
90.251 km | 35 |
| 2013 | ||||
| 21.12 | 24h | LangsteNachtLoop 24 uurs |
127.686 km | 11 |
| 2011 | ||||
| 13.11 | 100km | 6e MCX Centennial 100 km in Deventer |
10:27:42 h | 18 |
| 13.11 | 50km | 6e MCX Centennial 100 km in Deventer - 50km Split | 4:55:11 h | 15 |
| 26.06 | 50km | 50 km Veluwezoom Trail |
6:26:06 h | 100 |
| 25.04 | 60km | 11e De Zestig van Texel |
7:09:18 h | 234 |
| 2010 | ||||
| 11.09 | 50km | 35. RUN Winschoten 50 km |
5:03:54 h | 35 |
| 04.07 | 50km | 3. Ultraloop 50 van Assen |
4:49:23 h | 37 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/6/2014 | 16. Pieter-ROG-pad | 248,00 | ×8 |
| ✓ 2 | 21/12/2013 | LangsteNachtLoop 24 uurs | 127,69 | ×4 |
| ✓ 3 | 13/11/2011 | 6e MCX Centennial 100 km in Deventer | 100,00 | ×3 |
| ✓ 4 | 10/5/2014 | 10e 24uur van Steenbergen - Nationaal Kampioenschap Nederland | 90,25 | ×3 |
| ✓ 5 | 19/12/2015 | LangsteNachtLoop 24 uurs | 65,46 | ×2 |
| ✓ 6 | 25/4/2011 | 11e De Zestig van Texel | 60,00 | ×2 |
| ✓ 7 | 28/12/2016 | De Zes Uur van Deventer | 57,17 | ×1 |
| ✓ 8 | 19/6/2016 | 55 km Veluwezoom Trail | 55,00 | ×1 |
| ✓ 9 | 22/6/2014 | 52 km Veluwezoom Trail | 52,00 | ×1 |
| ✓ 10 | 11/3/2017 | 6. SallandTrail 50 km | 50,00 | ×1 |
| ✓ 11 | 26/6/2011 | 50 km Veluwezoom Trail | 50,00 | ×1 |
| ✓ 12 | 11/9/2010 | 35. RUN Winschoten 50 km | 50,00 | ×1 |
| ✓ 13 | 4/7/2010 | 3. Ultraloop 50 van Assen | 50,00 | ×1 |