Mark Leiker is a strength & performance coach specializing in runners and busy professionals in San Francisco’s Marina District. He helps clients train pain-free improve performance, and build strong, athletic bodies through science-based strength training.

Mark works with runners, executives, and active adults who want more than generic workouts. His coaching emphasizes proper movement, injury prevention, and long-term performance—whether you’re training for races or balancing fitness with a demanding career.

In-person training is available in the Marina District, with online coaching for remote clients. If you’re dealing with pain, stalled progress, or want structured, intelligent training, Mark offers a proven, individualized approach.