Marijuana Is Linked To An Enhanced ‘Runner’s High’ And Lower Pain During Exercise Image Cannabis News May 15, 2024 Study Suggests Cannabis Enhances Running Experience Despite Slight Speed Reduction. A recent study from the University of Colorado Boulder suggests that using marijuana before running can enhance the exercise experience. In the study, 49 runners were surveyed about their runs both with and without Medical Cannabis News Recreational Marijuana News Longview News-Journal