
About the Geist Half Race Series
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.
The 17th annual Geist Half Marathon race series has officially wrapped up for 2025. Congratulations to all participants! Stay tuned for details on 2026’s race date! Subscribe to our emails for upates.
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Become a Pacer!
Hear Stories and Running Tips from Past Years’ Ambassadors
Check out our blog posts:
- Geist Half Marathon Ambassador, Evan Taylor, Talks Black Men Run Experience
- How to Train for a 5K, 10K, or Half Marathon
- Meet Your Neighbor: Geist Half Marathon Streaker, Kevin Stinson
- Meet Your Neighbor: GHM Ambassador, Laura Crawford
- Discover the Joys of Trail Running
- Racing for Love
- Find Your Running Community
- Tips for Tackling Cold Weather Runs
- Meet City of Fishers Culture of Health Ambassador and GHM Race Director
