Geist Half Marathon

The Geist Half Marathon, 10K & 5K is set to take place on September 13, 2025, in Fishers, Indiana. This popular running event features a challenging course that showcases the scenic beauty of Geist Reservoir, including tree-covered trails and picturesque waterfront bridges. Participants can choose from three race distances: a Half Marathon (13.1 miles), a 10K (6.2 miles), and a 5K (3.1 miles).

All runners receive a race shirt, medal, and access to a post-race celebration. Additionally, virtual race options are available for those who prefer to participate remotely. Visit the organization's website for the most recent information.