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Triathlon Calendar Belgium 2026-2027

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Explore the best triathlons in Belgium for 2026-2027! Our updated list features 51 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.

August 2027
Aug
8
Su

Hoeks Triatlon Lommel

Triathlon Sprint Olympic
Aug
15
Su

Recreatlon Meise

Triathlon Recreatlon Meise 20 km 225 m 4 km Individueel 20 km 225 m 4 km Twee deelnemers 20 km 225 m 4 km Drie deelnemers 20 km 225 m 4 km
Aug
21-22
Sa - Su

Tri Watt Lon

Triathlon Triathlon Promo 500 m 25 5 km Triathlon 555 Para Triath... 500 m 50 5 km Triathlon 555 500 m 50 5 km Middle distance 1900 m 90 21.1 km
Aug
22
Su

City Triathlon Deinze

Triathlon Sprint 0.7 20 5 km 1k - 75k - 10k 1 75 10 km
Aug
29
Su

EcoSwimrun Belgium Robertville

Aquathlon Swimrun S 9 km 7.2 1.8 km Swimrun M 17 km 14.45 2.55 km Swimrun L 34 km 28.9 5.1 km
Monthly updates for Belgium

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September 2027
Sep
4
Sa

Sovage Lac de Nisramont

Trail Run Multisport NISRAMONT - BEAR 2027 14 4 km NISRAMONT - WOLF 2027 8 4 15 km NISRAMONT - WILD 2027 14 4 23 km
Sep
5
Su

IRONMAN Belgium Knokke-Heist

Triathlon Full distance 3.8 180 42.2 km
Sep
18-19
Sa - Su

Openlakes Belgium

Triathlon MY FIRST 200 m 15 3 km TEENS 400 m 15 3 km PROMO 500 m 21 5 km Olympic 1.5 42 10 km
Sep
18
Sa

Trail du Barrage

Trail Run Multisport Trail-kayak-trail 8 2.5 15 km
The 16th Trail Festival du Barrage in La Roche-en-Ardenne offers seven distances from 3 km to 48 km and a duo trail kayak trail for up to 300 teams.
Sep
19
Su

Triathlon d'Opprebais

Triathlon Olympic
Sep
24
Fr

Long Course Weekend Belgium

Multisport Middle distance 1.9 90 21.1 km Full distance 3.8 180 42.2 km
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