De Basis in Utrecht offers personal training combining strength and endurance work tailored to individual goals, including weight loss and fitness improvement. The gym specializes in HYROX training with customized plans for participants preparing for HYROX events. Sessions last one hour and typically occur 1–2 times weekly; clients also receive complimentary access to boxing classes at their partner studio, Empower Studios.
De Basis is listed as an official HYROX affiliate gym, which means it runs HYROX-aligned programming and appears in the official training-club network. Members rate it 5.0 out of 5 across 25 Google reviews.