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 and tree-lined trails. Participants can choose from a Half Marathon (13.1 miles), 10K (6.2 miles), or 5K (3.1 miles), with all runners receiving a race shirt, medal, and access to a post-race celebration.

The event is known for its challenging terrain, including hills and bridges, making it a memorable experience for runners of all levels. Visit the organization's website for the most recent information.