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The Race You Love Is Back!

The Geist Half Marathon, 10K & 5K, returns for its 17th year on Saturday, September 13, 2025! Operated by the City of Fishers in partnership with Vision Events Management, the race showcases the beauty of Geist Reservoir with stunning water views, tree covered trails, and waterfront bridges. The Geist Half Marathon race series offers a 5K (3.1 miles), 10K (6.2 miles), and a Half Marathon (21.0975km or 13.1 miles). Geist Half Marathon is locally known for its challenging course with hills around every corner, and bridges featuring some of Indiana’s most scenic views. 

All participants receive a race shirt, medal, timing bib, and access to the post-race party. VIP registration is also available.

Want to stay up-to-date on all things Geist Half Marathon related? Be sure to subscribe to our mailing list! We send monthly e-news to our subscribers to share upcoming training events, running tips, and more.

Become a Race Sponsor for 2025

Sponsorship opportunities are now available for the 2025 Geist Half Marathon, 10K & 5K race series, scheduled for Saturday, September 13, 2025. Sponsors play a crucial role in enhancing the race experience for participants and supporting the event’s success. Interested organizations can find all information here.

Sponsorship agreements must be received by March 14, 2025 to receive all included benefits. Sponsorship agreements received after this deadline may receive lower impressions.

Hear Stories and Running Tips from Past Years’ Ambassadors

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