Sonja Elisabeth van Stek
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Born : 1975
Cat. W50 Ultrarunner since 2012
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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 ?
Spain
Romania
SpainRomania49,6%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 659; Σ finishers = 1 329. 659 / 1 329 × 100 = 49.59%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races391 km
> 100 km1
Longest race120,0 km
4th Costa Brava Stage Run — 1/4/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail69,3%
Stage30,7%
Records
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 23.05 | 50km | Transylvania Half Hundred |
11:08:52 h | 281 |
| 2025 | ||||
| 03.05 | 85km | XIII. Trail Menorca Costa Sud |
13:18:24 h | 147 |
| 2022 | ||||
| 01.04 | 120km/3stages | 4th Costa Brava Stage Run |
20:19:49 h | 59 |
| 2016 | ||||
| 27.02 | 74km | V. Formentera All Round Trail |
9:14:20 h | 62 |
| 2012 | ||||
| 21.04 | 62km | 3. Trail Serra de Tramuntana 62 km |
10:16:32 h | 115 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/4/2022 | 4th Costa Brava Stage Run | 120,00 | ×6 |
| ✓ 2 | 3/5/2025 | XIII. Trail Menorca Costa Sud (TMCS) | 85,00 | ×4 |
| ✓ 3 | 27/2/2016 | V. Formentera All Round Trail | 74,00 | ×4 |
| ✓ 4 | 21/4/2012 | 3. Trail Serra de Tramuntana 62 km | 62,00 | ×3 |
| ✓ 5 | 23/5/2026 | Transylvania Half Hundred | 50,00 | ×2 |