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Triathlon Calendar Belgium 2025-2026

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Explore the best triathlons in Belgium for 2025-2026! Our updated list features 20 exciting races across the country. Find your next race in Belgium below and join the running community at these great events! Search for a location or view races near , Antwerpen, Liège, Gent, Namur or The Ardennes.

March 2025
Mar
2
Sunday

Cross Duatlon Beringen

Cross Duathlon
Event Organiser
Cross Duatlon Beringen
Mar
30
Sunday

Run, Beer & Bike Brasserie des Légendes

Multisport
May 2025
May
7
Wednesday

Bike&Run - KU Leuven

Multisport
May
18
Sunday

Bilzen Triathlon

Triathlon
Event Organiser
Bilzen Triathlon
June 2025
Jun
7
Saturday

Xterra Belgium

Cross Triathlon Cross Duathlon
Xterra Belgium
Jun
21
Saturday

Triatlon Brugge

Triathlon
Jun
28
Saturday

L'Assaut du Maquisard

Trail Run Duathlon 9 km 16 km 28 km 45 km
Jun
29
Sunday

Triatlon Vilvoorde

Triathlon
July 2025
Jul
12-13
Sa - Su

Triathlon International Haute Meuse

Triathlon
Triathlon International Haute Meuse
Jul
12-13
Sa - Su

Flanders Triathlon Sports

Triathlon
Jul
26-27
Sa - Su

The Cave Triathlon

Triathlon
Event Organiser
The Cave Triathlon
August 2025
Aug
3
Sunday

Ostbelgien Triathlon

Triathlon
Aug
9
Saturday

Xterra Ardennes

Cross Triathlon
Xterra Ardennes
Aug
24
Sunday

City Triathlon Deinze

Triathlon
Event Organiser
Aug
24
Sunday

Triathlon Gent

Triathlon
Aug
30
Saturday

Grenstriatlon

Triathlon
Aug
31
Sunday

Potrell Triathlon de Peerdevisscher

Triathlon
Event Organiser
September 2025
Sep
6
Saturday

Ironman 5150 Knokke-Heist

Triathlon
Ironman 5150 Knokke-Heist
Sep
7
Sunday

Ironman 70.3 Knokke-Heist

Triathlon
Ironman 70.3 Knokke-Heist
November 2025
Nov
23
Sunday

ECD Winterduatlon van Wommelgem

Duathlon
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