Brussels offers a genuinely large forest right at the edge of the city, alongside compact, monument-lined park loops in the centre. Here are the best running routes in Brussels for 2026.
The Bois de la Cambre and Forêt de Soignes
The Bois de la Cambre offers a soft, unpaved lake loop of about 1.5 kilometres or a park perimeter of roughly 5.3 kilometres, with a large section closing to traffic on weekends. It connects directly into the Forêt de Soignes, a forest of more than 4,300 hectares with marked loops of 5, 10 and 20 kilometres. In 2017 the forest was inscribed as a UNESCO World Heritage Site under "Primeval Beech Forests of the Carpathians and Other Regions of Europe," and its long, cathedral-like avenues of beech trees are the signature feature. Nearby, the Rouge-Cloître trails start near a 15th-century abbey with the same 5, 10 and 20 kilometre marked options.
Cinquantenaire Park
Cinquantenaire Park offers flat, manicured paths of about 1.7 kilometres around its perimeter, centred on the triumphal Cinquantenaire Arch built for Belgium's 50th independence anniversary, and can be combined with the 1.4 kilometre Parc de Bruxelles loop past the Royal Palace for an extended urban route.
The Brussels Canal Path
South of Anderlecht, the Brussels canal path opens into a more seamless, runner-friendly towpath, offering several flat, traffic-free kilometres away from the busier, narrower stretches near the centre.
Parc de Woluwe and the Promenade Verte
A flat, car-free former railway line runs 5.9 kilometres one way from Delta to Stockel, extendable into Malou Park and Woluwe Park for a longer loop. The Promenade Verte, a 63 kilometre green belt trail circling Brussels in seven sections, stitches together Laeken Park, Duden Park and Elisabeth Park for runners wanting varied terrain across the whole city.
Running the 20 km de Bruxelles Route
The 20 km de Bruxelles has run annually since 1980, usually in May, drawing close to 49,000 finishers in recent editions, with part of the course running directly through the beech avenues of the Sonian Forest.
Practical Guide to Running in Brussels
Cinquantenaire Park and the Bois de la Cambre are the most reliable choices for a flat, central run; the Forêt de Soignes is worth the trip for anyone wanting genuine forest distance.
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