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Marathons in Belgium This Week (Calendar 2026–2027)

9 marathons happening in Belgium this month (Aug 2–Aug 31, 2026). Dates, distances and registration links below — updated daily.

9marathons
Aug 2–Aug 31, 2026date range
16distance types
this monthwindow
Date Race Location Distances Registration Details Organizer
AUG 2 2026 Starts in: Today Ultra Trail Haute Ardenne - Jour 2 - 57 km
Plan in My Races 		Belgium 2.57K, ultra - 57km Link needed View Update listing
AUG 11 2026 Starts in: 8d 03:06:30 Trail Des Fantômes
Plan in My Races 		Belgium Full Marathon, 10K, Trail 100 km, Trail 69 km, Trail 42 km Registration link View Update listing
AUG 11 2026 Starts in: 8d 03:06:30 Ultra-Trail des Sources
Plan in My Races 		Belgium Trail 160 km, Relais à 4, Trail 80 km Registration link View Update listing
AUG 13 2026 Starts in: 10d 03:06:30 Le Bortolin Marathon de Hesbaye
Plan in My Races 		Belgium Full Marathon, Half Marathon, 10K, 5K Registration link View Update listing
AUG 22 2026 Starts in: 19d 03:06:30 Ultra Trail Des Sources - 100K
Plan in My Races 		Belgium 100K Registration link View Update listing
AUG 22 2026 Starts in: 19d 03:06:30 Ultra Trail Des Sources - 158K
Plan in My Races 		Belgium 158K Registration link View Update listing
AUG 22 2026 Starts in: 19d 03:06:30 Ultra Trail Des Sources - 44K
Plan in My Races 		Belgium 44K Registration link View Update listing
AUG 22 2026 Starts in: 19d 03:06:30 Ultra Trail Des Sources - 73K
Plan in My Races 		Belgium 73K Registration link View Update listing
AUG 30 2026 Starts in: 27d 03:06:30 Semi-Marathon d'Estaimpuis
Plan in My Races 		Belgium Half Marathon, 10K Registration link View Update listing

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Frequently Asked Questions

Which marathons are happening in Belgium this month?

There are 9 marathons and running races in Belgium this month (Aug 2–Aug 31, 2026), including Ultra Trail Haute Ardenne - Jour 2 - 57 km, Trail Des Fantômes, Ultra-Trail des Sources. Each race below links to full dates, distances, location and registration details.

Can I still register for races in Belgium this month?

Many races keep registration open until a few days before — and some allow race-day sign-up. Use the registration link on each race for the latest status, since field limits and cut-offs vary by event.

What race distances are available in Belgium this month?

Distances this month include 2.57K, ultra - 57km, Full Marathon, 10K, Trail 100 km, Trail 69 km, Trail 42 km, Trail 160 km. Filter by distance on each race page to find the right event for you.

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All countries racing this week  ·  All Belgium marathons