Geist Half Marathon

The Geist Half Marathon, 10K & 5K is set to take place on September 13, 2025, marking its 17th year. Organized by the City of Fishers in collaboration with Vision Events Management, this event features a scenic course around Geist Reservoir, showcasing beautiful water views, tree-lined trails, and picturesque 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), with virtual options available for each.

All runners receive a race shirt, medal, timing bib, and access to a post-race celebration. VIP registration is also offered. Visit the organization's website for the most recent information.