Henry Spronk
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Born : 1981
Cat. M45 Ultrarunner since 2014
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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
United KingdomNetherlands
Switzerland
BelgiumUnited KingdomNetherlandsSwitzerland60,1%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 1 041; Σ finishers = 1 733. 1 041 / 1 733 × 100 = 60.07%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races301 km
Longest race55,0 km
5ème Trail des Crêtes de Spa — 12/3/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 30.11 | 45km | Trail de la Soupe |
6:32:27 h | 363 |
| 2017 | ||||
| 11.03 | 50km | 6. SallandTrail 50 km |
4:45:39 h | 36 |
| 2016 | ||||
| 12.11 | 34mi | Coastal Trail Series - Gower Ultra |
6:52:29 h | 34 |
| 12.03 | 55km | 5ème Trail des Crêtes de Spa |
7:22:13 h | 194 |
| 2015 | ||||
| 14.03 | 50km | 4. SallandTrail 50 km |
5:16:38 h | 89 |
| 2014 | ||||
| 23.08 | 46km | 2. Matterhorn Ultraks |
10:04:34 h | 331 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/3/2016 | 5ème Trail des Crêtes de Spa | 55,00 | ×3 |
| ✓ 2 | 12/11/2016 | Coastal Trail Series - Gower Ultra | 54,72 | ×3 |
| ✓ 3 | 11/3/2017 | 6. SallandTrail 50 km | 50,00 | ×3 |
| ✓ 4 | 14/3/2015 | 4. SallandTrail 50 km | 50,00 | ×3 |
| ✓ 5 | 23/8/2014 | 2. Matterhorn Ultraks | 46,00 | ×2 |
| ✓ 6 | 30/11/2025 | Trail de la Soupe | 45,00 | ×2 |