Geist Half Marathon, 10K, 5K & 1 Mile
- Date
- September 12, 2026
- Location
- 11300 Olio Road, Fishers, IN
- Distance
- Half Marathon · 10K · 5K & more
From the Organizer
The Geist Half Marathon, 10K, 5K and 1 Mile 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
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
78°
Typical Low
56°
Chance of Rain
26%
Based on US Climate Normals data from Carmel 3 E, 3 mi from the venue.
Host City
About Fishers, IN
Population
100,918
as of 2023
Elevation
815 ft
Nearest Airport
IND
Indianapolis International Airport · 23 mi
Time Zone
Eastern Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Geist Half Marathon, 10K, 5K & 1 Mile, put it on the calendar, and turn “someday” into a start date.
96
Days to train
- Race
- Geist Half Marathon, 10K, 5K & 1 Mile
- Date
- September 12, 2026
- Location
- 11300 Olio Road, Fishers, IN
Coming Up
More Running races near Fishers, IN
Strides for Shelter 5K
5K
Less than a mile away
SPARK! Fishers 5K
5K
Less than a mile away
Carmel Freedom Run 4.5 + 1.5 miler
5 Mile
6 miles away
2026 Woofstock Survivor 5K and Dog Walk
5K
Less than a mile away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the Geist Half Marathon, 10K, 5K & 1 Mile?
- Geist Half Marathon, 10K, 5K & 1 Mile is a running race held in Fishers, Indiana on September 12, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Geist Half Marathon, 10K, 5K & 1 Mile?
- Saturday, September 12, 2026 in Fishers, Indiana at 11300 Olio Road, Fishers, IN. Check the event page for exact start times and wave schedules.
- How do I register for the Geist Half Marathon, 10K, 5K & 1 Mile?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Geist Half Marathon, 10K, 5K & 1 Mile
Sep 12, 2026