The Great GO! St. Louis Halloween Race

St. Louis, MO | Saturday, October 24, 2026Registration OpenFun / Novelty

The Great GO! St. Louis Halloween Race features a half marathon, 10K, 5K, 1-mile fun run and 1-mile costume dog walk – with a special Halloween twist! From the serious road racer to the family dressed head-to-toe in costume completing the race together, this is a can't-miss fall event! Held in picturesque Eureka, MO and The Great GO! St. Louis Halloween Race will feature partnerships with local businesses, and of course - a top-quality race with all the great things you've come to expect from GO! St. Louis events! In addition to our line-up of events, runners will be treated to great post-race amenities including plenty of candy (it IS Halloween, after all!), 4 Hands beer for the over 21-participants, and a great festival area in Eureka's business district! And don't forget to dress in costume - the Great GO! St. Louis Halloween Race Costume Contest will return this year!

Available Distances

Awards & Prizes

Participant Giveaway

13.1 Miles: Unisex Long Sleeve Tech Shirt

6.2 Miles: Unisex Long Sleeve Tech Shirt

3.1 Miles: Unisex Long Sleeve Tech Shirt

1 Miles: Unisex Long Sleeve Tech Shirt

Virtual Fun Run: Unisex Long Sleeve Tech Shirt

Registration & Pricing

Distance	Price	Opens	Closes
13.1 Miles	$65.00	Nov 24	Jul 15
	$75.00	Jul 15	Sep 1
	$85.00	Sep 1	Oct 1
	$95.00	Oct 1	Oct 23
	$100.00	Oct 23	Oct 25
6.2 Miles	$50.00	Nov 24	Jul 15
	$55.00	Jul 15

Interested in this race?

Race Day Schedule

IN-PERSON HALF MARATHON - OCTOBER 17, 2020 6:30am Packet Pick Up Opens 7:00am First Wave begins Runners in First Wave may begin race at any time until 7:25 7:30am Second Wave begins Runners in Second Wave may begin race at any time until 7:55am 8:00am Third Wave begins Runners in Third Wave may begin race at any time until 8:25am 8:30am Fourth Wave begins Runners in Fourth Wave may begin race at any time until 8:55am 9:00am Fifth Wave begins Runners in Fifth Wave may begin race at any time until

Registration Guarantee

IN- PERSON HALF MARATHON REGISTRATION GUARANTEE If we are unable to hold the 2020 GO! St. Louis Great Halloween Race in-person event due to coronavirus, you can defer to next year, transfer to the virtual event for free or receive a full refund (minus processing fees). We are super excited about the 2020 GO! St. Louis Great Halloween Race in-person event, however, if we must cancel the in-person event due to coronavirus, all registered participants of the in-person event will be able to choose b