Greg Koch

Greg Koch is the Owner of 605 Running Company in Sioux Falls, South Dakota, where he leads retail operations, event production, coaching, and community programming. His work focuses on building sustainable systems that connect running stores, clubs, and events into a cohesive local ecosystem. Under his leadership, 605 has expanded its impact through consistent programming, strategic partnerships, and community-driven events that engage runners of all levels. Greg specializes in team development, operational structure, and creating repeatable frameworks that support long-term growth in independent retail and grassroots running communities. He is passionate about helping organizations move from fragmented efforts to coordinated, high-impact systems.