Roost has 1 official CrossFit affiliate. The local box offers regular CrossFit classes alongside open gym access for visiting athletes.
DoubleD CrossFit is a CrossFit affiliate box in Roost that suits athletes who can book a session directly with the owner. No official or booking source publishes a drop-in price, so email or call the gym before you go.
Best for: Visiting CrossFit athletes
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DoubleD CrossFit operates in Roost, positioned in the canton of Mersch in central Luxembourg. The gym sits near the main transit corridors connecting central and northern Luxembourg. Athletes traveling by car can reach the facility via Route de Luxembourg, with road connections leading directly toward Mersch and Bissen. Regional public transit links connect the area to nearby train stations, giving travelers access from Luxembourg City.
Plan ahead before your session. Contact DoubleD CrossFit directly by email or phone to arrange your visit. The facility offers both group CrossFit classes and open gym training. Reaching out ahead of time ensures coaches know you are coming and can confirm current class times and floor space for your workout.
3 sources checked on 2026-11-12. Prices come from the gym's own pages.
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