I used to run long distance, no music, no headphones, no trackers, no watch. Let your mind drift, or focus on the rest of the course. Or go swimming and count l

I used to run long distance, no music, no headphones, no trackers, no watch. Let your mind drift, or focus on the rest of the course. Or go swimming and count laps. Or go bouldering (in doors), pick a route and focus on it.