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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Deneffe, Guillaume   Submit Personal Website Send Link 
Club: Trakks 
Residence: Liège
Year of birth: 1983 (Cat. german: M40)
Date of birth: 01.07.1983 (Cat. internat.: M40)
Nationality: BEL BEL Belgium
RunnerID: 951643
 

42 search results (42 Events, 3780.4 km).  (More)

2025 6 Events, 551 km  (More)
29.-31.08.2025 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 174km
22:11:32 h Deneffe, Guillaume Trakks Belgium  Overall: 17 M: 17 Cat M40: 1
27.07.2025 Courchevel X-Trail 55 km (FRA) 55km
6:34:03 h Deneffe, Guillaume Trakks Belguim  Overall: 3 M: 3 Cat M40: 1
14.-15.06.2025 Trail 100 Andorra by UTMB - Ultra 105km (AND) 105km
17:27:11 h Deneffe, Guillaume Trakks Team Belgium  Overall: 23 M: 23 Cat M40: 4
01.06.2025 Ohm Trail - XL (BEL) 55km
5:04:00 h Deneffe, Guillaume Trakks  Overall: 1 M: 1 Cat M40: 1
17.05.2025 Garda Trentino Trail (GTT) (ITA) 62km
6:54:37 h Deneffe, Guillaume Trakks Team Belgium  Overall: 8 M: 8 Cat M40: 2
26.-27.04.2025 The Canyons Endurance 100 Km Run (USA) 100km
10:29:43 h Deneffe, Guillaume   Overall: 25 M: 20 Cat M40: 1
2024 7 Events, 700.4 km  (More)
30.11.-01.12.2024 La SaintéLyon (FRA) 82km
7:14:21 h Deneffe, Guillaume Trakks Belgium  Overall: 35 M: 33 Cat M40: 3
30.08.-01.09.2024 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 176km
23:12:54 h Deneffe, Guillaume Trakks Belgium  Overall: 20 M: 17 Cat M40: 1
27.-28.07.2024 Crossing Sarina (SUI) 75km
8:56:30 h Deneffe, Guillaume Entreparentheses  Overall: 1 M: 1 Cat M40: 1
28.06.2024 90km du Mont-Blanc (FRA) 92km
12:36:17 h Deneffe, Guillaume Trakks Belgium  Overall: 21 M: 21 Cat M40: 1
02.06.2024 Ohm Trail - XL (BEL) 55km
5:19:52 h Deneffe, Guillaume Trakks  Overall: 1 M: 1 Cat M40: 1
10.-12.05.2024 Ultra-Trail Snowdonia - 100mi (GBR) 168km
27:17:58 h Deneffe, Guillaume   Overall: 4 M: 4 Cat M40: 1
13.04.2024 TDI (Trail des Idylles) (BEL) 52.4km
4:50:58 h Deneffe, Guillaume   Overall: 2 M: 2 Cat M40: 1
2023 4 Events, 381 km  (More)
03.12.2023 Trail de la Soupe (BEL) 45km
3:35:46 h Deneffe, Guillaume   Overall: 2 M: 2 Cat M40: 1
29.09.-01.10.2023 Nice Côte d'Azur by UTMB - 100M (FRA) 165km
22:56:30 h Deneffe, Guillaume   Overall: 2 M: 2 Cat M40: 1
30.07.2023 T60 - Trail del Battaglione (ITA) 60km
8:06:35 h Deneffe, Guillaume Team Belgium  Overall: 1 M: 1 Cat M40: 1
03.06.2023 Swiss Canyon Trail 111K (SUI) 111km
11:51:22 h Deneffe, Guillaume *Liège  Overall: 3 M: 3 Cat M35: 3
2022 7 Events, 703 km  (More)
04.11.2022 Kullamannen Ultra 100 miles (SWE) 169km
15:43:11 h Deneffe, Guillaume   Overall: 2 M: 2 Cat M35: 1
26.08.2022 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 170km
22:40:05 h Deneffe, Guillaume Trakks Belgium  Overall: 15 M: 15 Cat M35: 2
24.07.2022 Courchevel X-Trail 55 km (FRA) 55km
6:51:23 h Deneffe, Guillaume Trakks Belgium  Overall: 4 M: 4 Cat M35: 2
24.-26.06.2022 Lavaredo Ultra Trail by UTMB - 120K (ITA) 120km
13:52:44 h Deneffe, Guillaume Trakks Belgium  Overall: 14 M: 14 Cat M35: 3
04.06.2022 Ohm Trail - Ultra (BEL) 80km
7:18:18 h Deneffe, Guillaume Waco  Overall: 3 M: 3 Cat M35: 1
23.04.2022 Trail La Bouillonnante 50 km (BEL) 50km
4:11:09 h Deneffe, Guillaume   Overall: 1 M: 1 Cat M35: 1
27.03.2022 Trail des Crêtes de Spa (BEL) 59km
4:15:45 h Deneffe, Guillaume   Overall: 1 M: 1 Cat M35: 1
2021 6 Events, 461 km  (More)
27.11.2021 Ultra-Trail Cape Town (UTCT) 100 Km (RSA) 100km
12:11:18 h Deneffe, Guillaume   Overall: 12 M: 11 Cat M35: 2
27.08.2021 Courmayeur-Champex-Chamonix (CCC) (ITA) 101km
12:15:57 h Deneffe, Guillaume Trakks Belgium  Overall: 26 M: 26 Cat M35: 3
24.07.2021 LTH La Thuile Ultra Trail (ITA) 60km
7:18:42 h Deneffe, Guillaume Runcard  Overall: 4 M: 4 Cat M35: 1
02.07.2021 90km du Mont-Blanc (FRA) 85km
11:21:02 h Deneffe, Guillaume   Overall: 14 M: 14 Cat M35: 1
13.06.2021 The Longest Day (BEL) 50km
3:38:50 h Deneffe, Guillaume   Overall: 1 M: 1 Cat M35: 1
01.05.2021 Trail des Cisterciens (BEL) 65km
4:38:00 h Deneffe, Guillaume *Liège  Overall: 1 M: 1 Cat M35: 1
2020 3 Events, 268 km  (More)
18.10.2020 Grand Trail du Lac (FRA) 75km
7:59:52 h Deneffe, Guillaume Trakks Belgium  Overall: 10 M: 10 Cat M35: 4
05.09.2020 Ecotrail de Bruxelles 65 km (BEL) 65km
4:37:43 h Deneffe, Guillaume Trakks  Overall: 1 M: 1 Cat M35: 1
06.-08.03.2020 Transgrancanaria 128 km (ESP) 128km
15:43:17 h Deneffe, Guillaume   Overall: 17 M: 14 Cat M35: 5
2019 4 Events, 301 km  (More)
24.11.2019 Olne-Spa-Olne (BEL) 69km
5:36:06 h Deneffe, Guillaume *Liege  Overall: 2 M: 2 Cat M35: 1
07.09.2019 Trail Côte d'Opale - Challenge 86km (FRA) 86km/2stages
6:27:15 h Deneffe, Guillaume Entreparentheses  Overall: 1 M: 1 Cat M35: 1
27.07.2019 Montreux Trail Festival - MXAlps (SUI) 55km
6:41:26 h Deneffe, Guillaume *Namur  Overall: 13 M: 13 Cat M35: 3
15.06.2019 Samoëns Trail Tour - Ultra Tour du Haut Giffre - 91 km (FRA) 91km
12:31:48 h Deneffe, Guillaume Entreparentheses  Overall: 4 M: 4 Cat M35: 1
2018 3 Events, 290 km  (More)
29.08.2018 Sur les Traces des Ducs de Savoie (TDS) (ITA) 119km
17:04:14 h Deneffe, Guillaume   Overall: 35 M: 33 Cat M35: 10
22.-24.06.2018 Lavaredo Ultra Trail by UTMB - 120K (ITA) 120km
16:23:06 h Deneffe, Guillaume   Overall: 53 M: 47 Cat M23: 27
31.03.2018 Bocq Ultra Sauvage (BUS) (BEL) 51km
4:41:30 h Deneffe, Guillaume   Overall: 1 M: 1 Cat M23: 1
2017 2 Events, 125 km  (More)
30.07.2017 Trail de l'Etendard (FRA) 65km
8:06:57 h Deneffe, Guillaume   Overall: 5 M: 5 Cat M23: 1
06.05.2017 Garda Trentino Trail (GTT) (ITA) 60km
7:16:46 h Deneffe, Guillaume Trakks  Overall: 13 M: 13 Cat M23: 5

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 2025 2024 2023 2022 2021 2020 2019 2018 2017

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2020 2019 2018 2017
Ultra Trail Tour du Mont Blanc (UTMB) 3 22:11:32 23:12:54   22:40:05          
Garda Trentino Trail (GTT) 2 6:54:37               7:16:46
Ohm Trail - XL 2 5:04:00 5:19:52              
90km du Mont-Blanc 2   12:36:17     11:21:02        
Lavaredo Ultra Trail by UTMB - 120K 2       13:52:44       16:23:06