The Great GO! St. Louis Halloween Race
Oct 24St. Louis, MOHalf Marathon, 10K +2
Also a half marathon, 48 mi from The Innsbrook Half Marathon & 10k, registration open
Half Marathon10KRegistration open
The Innsbrook Half Marathon & 10k
Innsbrook, Missouri1,000 spots
- Entry from
- $60
- Days to go
- 18
At a glance
- Date
- Oct 24, 2026
- Location
- Innsbrook, Missouri
- Distances
- Half Marathon, 10K
- Registration
- Registration open until Oct 25, 2026, via runsignup.com
- Official site
- runsignup.com
- Listed from
- RunSignUp
- Last checked
- Oct 5, 2026
Plan this race for free
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Build my planAbout this race
The Innsbrook Half & 10k returns for 2026. Run on one of the most scenic, beautiful and challenging courses in the Midwest during the peak of fall color in Missouri! Hosted by Big River Race Management at the beautiful Innsbrook Resort. Located just one hour from St. Louis, runners and walkers will be treated to 13.1 or 6.2 miles on a mix of pavement and smooth gravel roads. A certified course, custom finisher medal, premium long-sleeved giveaway, a catered to-go lunch, live music and cold beer wait at the finish - you are not going to want to miss this event! The Innsbrook Half Marathon & 10k will be capped at 500 runners ensuring small start waves and ideal course density. The event will sell out in 2026, so don't wait, sign up today!
Key dates
Registration opens
Dec 23, 2025
Tier 1 ends
Jul 29, 2026
Tier 2 ends
Sep 9, 2026
Tier 3 ends
Oct 20, 2026
Tier 3 ends
Oct 21, 2026
Race day
Oct 24, 2026
Tier 4 ends
Oct 24, 2026
Registration closes
Oct 25, 2026
Tier 5 ends
Oct 25, 2026
Pricing
Innsbrook Half Marathon
Tier 3, then $85 from Oct 20, 2026
$80
Innsbrook 10k
Tier 3, then $65 from Oct 21, 2026
$60
Email me updates about The Innsbrook Half Marathon & 10k
Registration openings and major changes, like a new date or a cancellation.
Entry transfers
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Race planning
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