Karel Sabbe

Born : 1989 Cat. M35 Ultrarunner since 2014

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

Belgium

France

Italy

Morocco

South Africa

United States

8,2%

Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 468; Σ finishers = 5 703. 468 / 5 703 × 100 = 8.21%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27

Km — ultra races2 504 km

> 100 km8

> 160 km6

> 200 km2

> 24h1

> 48h1

Longest race503,0 km

1st Backyard Ultra World Team Championships - Belgium — 17/10/2020

Km per year (ultra races)

2022

451

2023

209

2024

174

2025

2026

Race types (share of distance)

Road4,0%

Trail62,5%

Stage13,5%

Elim.20,1%

Wins & podiums (ultra)

🏆 Win3

🏆 Win M3

🏅 Top 36

🏅 Top 3 M6

Longest winning streak2

Current streak0

Records

50 km4h54'32 100 km11h15'15 50 mi7h46'15 100 mi26h09'53 Backyard75 loops

HISTORY

20 race(s)

Date		Race	Perf.	Rk
2025
29.08	174km	22ème Ultra Trail Tour du Mont Blanc	25:09:57 h	52
2024
22.11	100mi	11th Ultra-Trail Cape Town (UTCT) 100 mi	26:09:53 h	8
11.10	48km	14th Kodiak Ultra Marathons by UTMB - 50K	4:07:02 h	6
2023
15.03	40mi	28th The Barkley Marathons 40 Mile	20:48:43 h	6
15.03	60mi	28th The Barkley Marathons 60 Mile Fun Run	32:46:31 h	4
15.03	80mi	28th The Barkley Marathons 80 Mile	46:36:57 h	3 🥉
15.03	100mi	28th The Barkley Marathons 100 Mile	2d 11:53:33 h	3 🥉
2022
08.03	60mi	27th The Barkley Marathons 60 Mile Fun Run	32:21:49 h	1 🏆
2021
29.05	165km	11° Grand Trail des Lacs et Châteaux 165km	23:09:49 h	9
2020
17.10	Backyard Ultra	1st Backyard Ultra World Team Championships - Belgium	502.950 km (75h)	1 🏆
2019
30.03	60mi	24th The Barkley Marathons 60 Mile Fun Run	35:40:18 h	1 🏆
2018
03.06	50km	13e Ohm Trail	5:03:55 h	3 🥉
28.01	50km	Houffatrail 50km	4:54:32 h	8
2017
30.08	119km	8ème Sur les Traces des Ducs de Savoie	22:12:52 h	175
20.05	53km	Trail des Trappistes 53 km	4:37:08 h	4
2016
10.04	257km/6stages	31. Marathon des Sables	30:47:58 h	37
2015
06.12	50km	Houffatrail 50km	6:00:58 h	45
10.10	100km	4ème 100 km de la Somme	11:15:15 h	111
2014
07.12	50km	Houffatrail 50km	5:15:09 h	5
06.12	80km/3stages	Xtrails Houffalize	7:46:15 h	6

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	17/10/2020	1st Backyard Ultra World Team Championships - Belgium	502,95	×11
✓ 2	10/4/2016	31. Marathon des Sables	257,00	×5
✓ 3	29/8/2025	22ème Ultra Trail Tour du Mont Blanc (UTMB)	174,00	×4
✓ 4	29/5/2021	11° Grand Trail des Lacs et Châteaux 165km	165,00	×3
✓ 5	22/11/2024	11th Ultra-Trail Cape Town (UTCT) 100 mi	160,93	×3
✓ 6	15/3/2023	28th The Barkley Marathons 100 Mile	160,93	×3
✓ 7	30/8/2017	8ème Sur les Traces des Ducs de Savoie (TDS)	119,00	×2
✓ 8	10/10/2015	4ème 100 km de la Somme	100,00	×2
✓ 9	8/3/2022	27th The Barkley Marathons 60 Mile Fun Run	96,56	×2
✓ 10	30/3/2019	24th The Barkley Marathons 60 Mile Fun Run	96,56	×2
✓ 11	6/12/2014	Xtrails Houffalize	80,00	×1
✓ 12	20/5/2017	Trail des Trappistes 53 km	53,00	×1
✓ 13	3/6/2018	13e Ohm Trail	50,00	×1
✓ 14	28/1/2018	Houffatrail 50km	50,00	×1
✓ 15	6/12/2015	Houffatrail 50km	50,00	×1
✓ 16	7/12/2014	Houffatrail 50km	50,00	×1
✓ 17	11/10/2024	14th Kodiak Ultra Marathons by UTMB - 50K	48,00	×1