Innsbrook, MO | Saturday, October 24, 2026Registration Open
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!
Available Distances
Awards & Prizes
Participant Giveaway
13.1 Miles: Premium Gender Specific Half Zip
Innsbrook 10k: Premium Gender Specific Half Zip
Registration & Pricing
Distance
Price
Opens
Closes
13.1 Miles
$65.00
Dec 23
Jul 29
$75.00
Jul 29
Sep 9
$80.00
Sep 9
Oct 20
$85.00
Oct 20
Oct 24
$95.00
Oct 24
Oct 25
Innsbrook 10k
$45.00
Dec 23
Jul 29
$50.00
Interested in this race?
Jul 29
Sep 9
$60.00
Sep 9
Oct 21
$65.00
Oct 21
Oct 24
$75.00
Oct 24
Oct 25
Race Day Schedule
Time Schedule: 7:00 AM - Arlberg Pass gate opens for participants (press the button on the call box and they'll open the gate for you) 7:30 AM - Packet pick-up opens 8:30 AM - Announcements begin 8:50 AM - Runners and walkers called to the line 9:00 AM - Half Marathon & 10k start 9:35 AM - First 10k finisher crosses the finish line 10:20 AM - First Half Marathon finisher arrives at finish line 1:30 PM - Last half marathon finisher crosses finish line