Geist Half Marathon, 10K, 5K & 1 Mile Logo

Geist Half Marathon, 10K, 5K & 1 Mile

Past Event
Sat, Sep 12, 2026
Fishers, IN
11300 Olio Road

On this date: rain 1 of the last 10 years

2025

57–83°F

dry

2024

60–87°F

dry

2023

61–72°F

rain

2022

54–67°F

dry

2021

70–90°F

dry

2020

61–83°F

dry

2019

70–88°F

dry

2018

56–71°F

dry

2017

56–70°F

dry

2016

57–78°F

dry

Best months to race in Indiana →

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About this race

Event Overview

The Geist Half Marathon, 10K, 5K and 1 Mile presented by Meijer, returns for its 18th year on Saturday, September 12! 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.

Race Features

  • 5K: 3.1 miles
  • 10K: 6.2 miles
  • Half Marathon: 13.1 miles
  • VIP registration: Available for participants
  • Team volunteer opportunities: Opportunities for groups

Event Details

Join us at 11300 Olio Road, Fishers, IN. For more information and to register, visit Geist Half Marathon.

Course map

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