Jaapjan Verkerk
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1982
Cat. M40 Ultrarunner since 2022
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
6
Countries visited ?
France
Greece
ItalyNetherlands
Switzerland
United States
FranceGreeceItalyNetherlandsSwitzerlandUnited States59,0%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 612; Σ finishers = 2 730. 1 612 / 2 730 × 100 = 59.05%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 621 km
> 100 km4
> 160 km4
> 200 km3
> 24h3
Longest race246,0 km
41. Spartathlon — 28/9/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road78,2%
Trail21,8%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0
HISTORY
15 race(s) · 10 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/9/2024 | 41. Spartathlon | 246,00 | ×7 |
| ✓ 2 | 3/5/2025 | 4. 24hrs Sittard | 228,34 | ×6 |
| ✓ 3 | 18/10/2025 | 12ème 24 heures d'Albi, IAU 24h WC | 201,29 | ×5 |
| ✓ 4 | 27/1/2024 | HoHo100 - Hollandse Honderd Mijlen | 160,93 | ×4 |
| ✓ 5 | 1/2/2025 | 3 HoHo100 - 100km | 100,00 | ×2 |
| ✓ 6 | 9/9/2023 | 47. RUN Winschoten 100 km - open race | 100,00 | ×2 |
| ✓ 7 | 6/5/2023 | 12th Farm Park Challenge - 10 Hour Run | 82,19 | ×2 |
| ✓ 8 | 13/7/2024 | De 24 Uur van Deventer | 81,21 | ×2 |
| ✓ 9 | 24/3/2024 | 17e De Zestig van Texel | 60,00 | ×1 |
| ✓ 10 | 27/3/2022 | 16e De Zestig van Texel | 60,00 | ×1 |
| ✓ 11 | 7/6/2025 | 12^ Dolomiti Extreme Trail 55km | 55,00 | ×1 |
| ✓ 12 | 21/5/2022 | 36e Eemlake Run (Eemmeerloop) | 50,00 | ×1 |
| ✓ 13 | 1/7/2023 | 11. Zermatt Ultra Marathon | 45,60 | ×1 |