Celebrating its 17th year, the Geist Half Marathon returns on Saturday, September 13, 2025, in Fishers, Indiana. The event offers three race distances: a Half Marathon (13.1 miles), 10K (6.2 miles), and 5K (3.1 miles), with both in-person and virtual participation options. The course showcases the beauty of Geist Reservoir, featuring waterfront views, tree-lined trails, and multiple bridge crossings. Participants receive a race shirt, finisher medal, timing bib, and access to a lively post-race party. VIP registration is also available, offering perks such as reserved parking, exclusive gear, and additional refreshments.   
Races
Half Marathon
Half Marathon
10k
10k
5k
5k
Race Date:
13 September, 2025
The Geist Virtual Half Marathon allows runners to complete the 13.1-mile distance on their own course around the official event date of Saturday, September 13, 2025. Participants receive a race shirt, medal, and the flexibility to run from anywhere while still joining in the Geist spirit.
Weather based on historical averages.
FAQs
What is the Geist Virtual Half Marathon?
How long is the Geist Virtual Half Marathon?
Where does the Geist Virtual Half Marathon take place?
What is the elevation gain of the Geist Virtual Half Marathon?
How can I prepare for the Geist Virtual Half Marathon?
How do I choose the right training plan for the Geist Virtual Half Marathon?
The Geist Virtual Half Marathon allows runners to complete the 13.1-mile distance on their own course around the official event date of Saturday, September 13, 2025. Participants receive a race shirt, medal, and the flexibility to run from anywhere while still joining in the Geist spirit.
The Geist Virtual Half Marathon is 21km long.
The Geist Virtual Half Marathon takes place in Geist Reservoir, Indiana, USA.
The Geist Virtual Half Marathon elevation gain is 219.76 meters, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Geist Virtual Half Marathon?
The Geist Virtual Half Marathon allows runners to complete the 13.1-mile distance on their own course around the official event date of Saturday, September 13, 2025. Participants receive a race shirt, medal, and the flexibility to run from anywhere while still joining in the Geist spirit.
How long is the Geist Virtual Half Marathon?
The Geist Virtual Half Marathon is 21km long.
Where does the Geist Virtual Half Marathon take place?
The Geist Virtual Half Marathon takes place in Geist Reservoir, Indiana, USA.
What is the elevation gain of the Geist Virtual Half Marathon?
The Geist Virtual Half Marathon elevation gain is 219.76 meters, which Runna classifies as a Moderate race.
How can I prepare for the Geist Virtual Half Marathon?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Geist Virtual Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Nature
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Geist Half Marathon 2025 or Vision Events Management. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Geist Half Marathon 2025 website.
