Jozef de Cock
Born : 1984 Cat. M40 Ultrarunner since 2012 BEL
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
71
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 ?BELBelgiumESPSpainFRAFranceGBRUnited KingdomLUXLuxembourgNEDNetherlands
64,3%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 4 983; Σ finishers = 7 754. 4 983 / 7 754 × 100 = 64.26%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races6 128 km
> 100 km28
> 160 km24
> 200 km7
> 24h3
> 48h1
Longest race500,0 km
Legends Trail 500 — 22/2/2020

Km per year (ultra races)

654
3 races
2022
322
2 races
2023
2024
100
1 race
2025
166
1 race
2026

Race types (share of distance)

Trail90,8%
Elim.9,2%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M3
Longest winning streak1
Current streak0

HISTORY

38 race(s)
DateRacePerf.Rk
2026
15.05 166km BEL16° Grand Trail des Lacs et Châteaux 100 Miles 32:13:31 h117
2025
20.04 100km BELTrail des Cisterciens - 100km 12:01:33 h16
2023
16.12 100mi BELThe Bello Gallico Trail 100mi 21:42:00 h48
16.09 100mi LUXThe Great Escape 100 miles 30:01:00 h39
2022
01.07 32h BELAnother One Bites the Dust 169.680 km4
22.04 212km NEDHelipad Ultra 212km 34:38:27 h1 🏆
25.02 272km BELLegends Trail 250 2d 12:12:00 h8
2021
18.12 100mi BELThe Bello Gallico Trail 100mi 22:43:00 h39
25.09 100mi BELThe Great Escape 100 miles 31:25:00 h20
2020
17.10 Backyard Ultra BEL1st Backyard Ultra World Team Championships - Belgium 228.004 km (34h)8
19.09 100mi BELThe Great Escape 100 miles 32:08:00 h50
22.02 500km BELLegends Trail 500 6d 13:26:00 h19
2019
14.12 100mi BELThe Bello Gallico Trail 100mi 26:10:00 h36
21.09 161km LUXThe Great Escape 161km 33:09:00 h28
01.03 250km BELLegends Trail 2d 14:20:00 h17
2018
15.12 100mi BELThe Bello Gallico Trail 100mi 25:40:00 h35
18.08 214mi GBRUltra Great Britain 214 Miles 3d 16:40:00 h35
29.06 31h BELAnother One Bites the Dust 166.852 km3 🥉
26.05 105km BEL9° Grand Trail des Lacs et Châteaux - Fous Furieux 17:12:40 h56
02.03 250km BELLegends Trail 2d 11:53:00 h13
2017
16.12 160km BELThe Bello Gallico Trail 27:00:00 h21
04.11 191km NED2 LEO180 34:37:00 h5
23.09 161km LUXThe Great Escape 161km 34:01:00 h18
2016
26.08 170km FRA14ème Ultra Trail Tour du Mont Blanc 39:53:04 h564
03.07 163km LUXThe Great Escape 160km 31:47:00 h7
21.05 100km BELTrail des Trappistes 100 km 12:57:13 h47
12.03 59km BELTrail de la primavera 7:26:41 h64
2015
10.05 80km BEL6ème La Grimace du Grand Georges Trail 80 km 9:51:53 h26
07.03 125km ESPTransgrancanaria 125 km 29:40:25 h333
2014
29.08 168km FRA12ème Ultra Trail Tour du Mont Blanc 44:10:03 h1208
11.05 80km BEL5ème La Grimace du Grand Georges Trail 80 km 10:27:26 h28
2013
30.08 168km FRA11ème Ultra Trail Tour du Mont Blanc 45:28:01 h1587
15.06 50km FRALe Roc La Tour 10:21:53 h201
19.05 80km BEL4ème La Grimace du Grand Georges Trail 80 km 10:45:00 h26
2012
06.10 75km FRA5ème Raid 59 Nocturne 9:51:00 h9
22.09 114km LUX1. Ultra-Trail Mëllerdall 19:10:21 h57
05.08 53km FRACourchevel X-Trail 53 km 11:19:51 h213
20.05 80km BEL3ème La Grimace du Grand Georges Trail 80 km 10:39:50 h15