
Fishers, United States of America · Saturday 12 September 2026
The Geist Half Marathon, 10K & 5K, presented by Meijer, returns for its 18th year on Saturday, September 13! Operated by the City of Fishers in partnership with Vision Events, the race showcases the beauty of Geist Reservoir with stunning water views, tree covered trails, and waterfront bridges. NEW this year, we’re bringing back the popular 10K course! The Geist Half Marathon race series includes a 5K (3.1 miles), 10K (6.2 miles), and a Half Marathon (21. 0975km or 13.1 miles). All participants receive a race shirt, medal, and access to the post-race party. VIP registration is also available. The 2026 Race Features: 5k (3.1 miles) 10k (6.2 miles) Half Marathon (13.1 miles) VIP registration Team volunteer opportunities
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Geist Half Marathon, 10K & 5K is a half marathon held in Fishers, United States of America, scheduled for Saturday 12 September 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official Geist Half Marathon, 10K & 5K website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Geist Half Marathon, 10K & 5K is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Geist Half Marathon, 10K & 5K is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Geist Half Marathon, 10K & 5K against other half marathons to find the right race for your goals.
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