Jan Houtman
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 : 1971
Cat. M55 Ultrarunner since 2013
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
8
Countries visited ?
Austria
Belgium
France
Italy
Luxembourg
MoroccoNetherlands
Switzerland
AustriaBelgiumFranceItalyLuxembourgMoroccoNetherlandsSwitzerland51,7%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 2 286; Σ finishers = 4 422. 2 286 / 4 422 × 100 = 51.70%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 044 km
> 100 km3
Longest race119,0 km
14. mozart 100 — 23/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail92,5%
Stage7,5%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 23.05 | 119km | 14. mozart 100 |
21:07:16 h | 231 |
| 25.04 | 75km | Trail du Grand Ballon 75km |
11:38:57 h | 138 |
| 2025 | ||||
| 19.07 | 68km | 13. Eiger Ultra Trail 101 km |
12:10:05 h | 334 |
| 17.05 | 72km | Salomon Koning van Spanje Trail - 72km |
9:28:36 h | 35 |
| 2024 | ||||
| 28.07 | 63km | 8. Walser Ultra Trail |
13:16:47 h | 63 |
| 27.07 | 78km | Walser Trail Challenge Pro |
15:32:00 h | 19 |
| 19.05 | 85km | Grand Trail des Lacs et Châteaux 85km |
12:23:31 h | 83 |
| 30.03 | 54km | Cauberg Trail |
5:56:52 h | 49 |
| 2017 | ||||
| 07.10 | 105km | 9ème Ultra Trail Atlas Toubkal |
29:40:00 h | 71 |
| 2015 | ||||
| 28.06 | 55km | 55 km Veluwezoom Trail |
5:12:03 h | 16 |
| 2014 | ||||
| 30.11 | 69km | 19ème Olne-Spa-Olne |
7:55:47 h | 159 |
| 29.08 | 101km | 9ème Courmayeur-Champex-Chamonix |
23:15:25 h | 815 |
| 2013 | ||||
| 08.12 | 50km | Houffatrail |
6:26:25 h | 67 |
| 17.11 | 50.1km | 11. Trail Uewersauer |
6:11:46 h | 220 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/5/2026 | 14. mozart 100 | 119,00 | ×4 |
| ✓ 2 | 7/10/2017 | 9ème Ultra Trail Atlas Toubkal (UTAT) | 105,00 | ×3 |
| ✓ 3 | 29/8/2014 | 9ème Courmayeur-Champex-Chamonix (CCC) | 101,00 | ×3 |
| ✓ 4 | 19/5/2024 | Grand Trail des Lacs et Châteaux 85km | 85,00 | ×3 |
| ✓ 5 | 27/7/2024 | Walser Trail Challenge Pro | 78,00 | ×2 |
| ✓ 6 | 25/4/2026 | Trail du Grand Ballon 75km | 75,00 | ×2 |
| ✓ 7 | 17/5/2025 | Salomon Koning van Spanje Trail - 72km | 72,00 | ×2 |
| ✓ 8 | 30/11/2014 | 19ème Olne-Spa-Olne | 69,00 | ×2 |
| ✓ 9 | 19/7/2025 | 13. Eiger Ultra Trail 101 km | 68,00 | ×2 |
| ✓ 10 | 28/7/2024 | 8. Walser Ultra Trail | 63,00 | ×2 |
| ✓ 11 | 28/6/2015 | 55 km Veluwezoom Trail | 55,00 | ×1 |
| ✓ 12 | 30/3/2024 | Cauberg Trail | 54,00 | ×1 |
| ✓ 13 | 17/11/2013 | 11. Trail Uewersauer | 50,10 | ×1 |
| ✓ 14 | 8/12/2013 | Houffatrail | 50,00 | ×1 |