Get ready for an unforgettable experience at the Geist Half Marathon, 10K & 5K, taking place from September 13 to September 20, 2025, in the picturesque town of Fishers, Hamilton. Celebrating its 16th year, this exciting race event showcases the breathtaking beauty of Geist Reservoir, featuring stunning water views, shaded trails, and charming waterfront bridges. Runners of all levels can participate in one of three exhilarating distances: a 5K (3.1 miles), a 10K (6.2 miles), or the ultimate challenge of a Half Marathon (13.1 miles).

New this year, the popular 10K course is back, adding to the fun and excitement! Every participant will receive a stylish race shirt, a commemorative medal, and access to the lively post-race party where you can celebrate your achievements with fellow runners. Don’t miss out on the opportunity to register as a VIP for an enhanced experience, and consider joining as a team volunteer to support this fantastic community event. Mark your calendars and prepare for a weekend of fitness, fun, and friendship at the Geist Half Marathon!