Jan van Bos
Born : 1983 Cat. M40 Ultrarunner since 2013 BEL
52
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
56
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 ?BELBelgiumFRAFranceGERGermanyLUXLuxembourg
9,4%
Rank quotient ?This runner's calculation uses 62 eligible race(s): Σ(rank − 1) = 989; Σ finishers = 10 558. 989 / 10 558 × 100 = 9.37%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed62
Km — ultra races4 897 km
> 100 km9
> 160 km4
Longest race165,0 km

Km per year (ultra races)

420
5 races
2022
202
3 races
2023
364
6 races
2024
56
1 race
2025
63
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M4
🏅 Top 317
🏅 Top 3 M17
Longest winning streak1
Current streak0

HISTORY

62 race(s)
DateRacePerf.Rk
2026
02.05 63km BELL.A.T Legends Ardennes Trail 60km 7:49:54 h13
2025
19.10 56km FRA14ème Belfortrail 7:48:03 h51
2024
20.10 55km FRA13ème Belfortrail 7:28:35 h38
14.09 75km LUX8ème Leopard Ultratrail du Mullerthal (UTML) - Long Trail 75km 7:24:34 h4
06.07 70km BEL15ème Festival Trail Semois 7:33:53 h5
09.06 63km FRA15ème Trail des Marcaires 8:42:02 h29
02.06 55km BEL17e Ohm Trail - XL 8:48:08 h91
07.04 45.5km FRATrail du Plateau de Rocroy 5:22:42 h8
2023
08.10 67km BELL'Ultra by HuyForTrail 5:49:53 h4
15.04 80km FRA10ème Le Défi des Seigneurs 9:14:39 h7
18.03 55km BELHADT Hard Aisne Durbuy Trail 6:37:33 h21
2022
17.12 100mi BELThe Bello Gallico Trail 100mi 18:32:00 h8
18.06 65km FRATrail de la Vallée des Lacs - Trail Long 9:00:40 h35
21.05 83km BELGrand Trail des Lacs et Châteaux 83km 9:20:13 h5
23.04 52.7km BELTrail de la Reid 5:29:11 h2 🥈
20.02 58km BELLa Magnetoise 7:48:54 h20
2021
28.11 69km BEL25ème Olne-Spa-Olne 7:48:21 h73
15.08 60km BELL'Enfer du Viroin 6:06:39 h3 🥉
01.08 76km GERLosheimer Trailfest 8:07:40 h3 🥉
29.05 165km BEL11° Grand Trail des Lacs et Châteaux 165km 22:19:29 h7
01.05 100km BELTrail des Cisterciens 9:04:00 h1 🏆
2020
02.08 100km BELTrail des Cisterciens 11:25:00 h10
2019
23.11 140km GERKoBoLT, 140 km Rheinsteig Koblenz-Bonn 18:04:00 h2 🥈
26.10 100km BEL8th Bear Trail 100 km 10:01:22 h2 🥈
14.09 112km LUX4ème Leopard Ultratrail du Mullerthal (UTML) - Ultratrail 112km 12:13:09 h3 🥉
31.08 66km BELTrail des 600 Boitheux 6:56:36 h4
04.08 56km BEL16ème Trail du Val d'Heure 5:13:14 h2 🥈
15.06 76km FRA7ème Samoëns Trail Tour - Ultra Tour du Haut Giffre - 76 km 12:53:15 h6
27.04 76km BEL14ème Trail La Bouillonnante 76 km 8:32:44 h13
23.03 52km BELHADT Hard Aisne Durbuy Trail 6:13:34 h19
17.02 58km BELLa Magnetoise 5:27:27 h3 🥉
2018
15.12 100mi BELThe Bello Gallico Trail 100mi 17:38:00 h2 🥈
27.10 100km BEL7th Bear Trail 100km 9:50:38 h3 🥉
22.09 161km LUXThe Great Escape 161km 23:30:00 h2 🥈
14.07 100km BELLa Chouffe Trail 11:26:52 h2 🥈
28.04 114km FRALe Radicatrail 114km 11:40:49 h1 🏆
24.03 52km BELHADT Hard Aisne Durbuy Trail 6:13:45 h13
28.01 50km BELHouffatrail 50km 5:14:28 h19
2017
16.12 160km BELThe Bello Gallico Trail 18:47:00 h4
26.11 70km BEL22ème Olne-Spa-Olne 6:56:18 h22
28.10 100km BEL6th Bear Trail 100 km 10:08:33 h2 🥈
16.07 50km BELLa Chouffe Trail 4:44:04 h13
27.05 60km BELGrand Trail des Lacs et Châteaux - Doux Dingues 7:03:04 h4
01.05 60km BELTrail du diable au SUKre 5:00:47 h1 🏆
19.03 65km BELTrail de la Primavera 6:46:22 h8
19.02 65km BELLa Magnetoise 65km 6:21:16 h9
04.02 45km BELLe Trail des Bosses 45 km 3:37:49 h7
2016
17.12 160km BELThe Bello Gallico Trail 17:18:00 h2 🥈
29.10 57km BEL5th Bear Trail 5:15:47 h9
24.09 80km BEL5° EcoTrail de Bruxelles 80 km 7:52:39 h6
12.06 80km BEL7ème La Grimace du Grand Georges Trail 80 km 8:41:33 h7
21.05 100km BELTrail des Trappistes 100 km 10:26:32 h6
23.04 72km BEL11ème Trail La Bouillonnante 10:07:47 h74
12.03 59km BELTrail de la primavera 6:40:43 h11
2015
29.11 68km BEL20ème Olne-Spa-Olne 7:28:48 h25
24.10 57km BEL4th Bear Trail 57 km 5:25:30 h16
26.09 80km BEL4° EcoTrail de Bruxelles 80 km 8:19:23 h9
28.03 55km BELTrail des Crêtes de Spa 6:14:04 h77
2014
25.10 56km BEL3rd Bear Trail 56 km 5:40:34 h20
18.05 50km BELLoop van Vlaanderen 4:56:14 h52
2013
08.12 50km BELHouffatrail 5:27:00 h13
28.04 50km BELLoop van Vlaanderen 5:01:48 h120