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| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Saturday, Oct 24, 2026 | ||||
| 10K | 10K | Oct 24, 20267:00 AM | $65$70 after Oct 1, 2026 | – |
| 5K | 5K | Oct 24, 20267:30 AM | $45$50 after Oct 1, 2026 | – |
| 1-Mile Fun Run | Kids | Oct 24, 20269:15 AM | $25$30 after Oct 1, 2026 | – |
| The Great PUPkin Run (1-Mile Costume Dog Walk) | 1 Mile | Oct 24, 20269:45 AM | $35$40 after Oct 1, 2026 | – |
| Sunday, Oct 25, 2026 | ||||
| Half Marathon | Half Marathon | Oct 25, 20267:00 AM | $90$100 after Oct 1, 2026 | – |
| Virtual 10KVirtual | 10K | Oct 24, 2026 | $50 | – |
| Virtual 5KVirtual | 5K | Oct 24, 2026 | $50 | – |
| Virtual Fun RunVirtual | Kids | Oct 24, 2026 | $50 | – |
| Virtual Half MarathonVirtual | Half Marathon | Oct 24, 2026 | $50 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The 10K fee goes up to $70 on Oct 1, 2026.
Online registration closes Oct 24, 2026, unless the race fills first.
At $90, entry is about 38 percent above a typical half marathon in Missouri, which costs $65 right now.
A typical finisher at a half marathon in St. Louis runs 2:11:29, about 10:02 a mile, based on 6 races with published results. Women typically finish in 2:19:26 and men in 1:59:59.
Sunrise on race morning is at about 7:18 AM, and the 10K starts at 7:00 AM. The start sits about 480 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
5029 Northrup Ave, St. Louis, MO 63110
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Around October 24 the day usually runs from 48°F at dawn to 64°F in the afternoon, with measurable rain on about 21% of days. Cold snaps dip to 40°F and hot years reach 78°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
What the organizers of The Great GO! St. Louis Halloween Race cover on their registration page, in brief.
Schedule and packet pickup
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…
Course
We are incredibly excited to partner with the city of Eureka, MO to treat runners to great views, great hospitality from Eureka's thriving business district, and lots of festive fall fun! We are in the process of finalizing the race…
Shirt and medal
Participants of The Great GO! St. Louis Halloween race will receive a some of the most festive Halloween themed swag! As a participant, you will receive a premium long sleeve lifestyle t-shirt and medal!
Shirt and medal
REFER A FRIEND: EARN SWAG AND CASH BACK. When you sign up for The Great GO! St. Louis Halloween Race, you’re eligible to earn limited edition swag and cash rewards when you refer friends and family to sign up too! How do you earn your swag…
Rules and FAQ
In-Person Race FAQs. Q: What will on-course support be like? A: We will provide several water stations on course, but likely not as many as in a typical race. We ask that runners come prepared with additional water in a hand-held or other…
Rules and FAQ
PARTICIPANT AGE POLICY: All participants under the age of 18 must have a parent or legal guardian sign their waiver. The minimum age for half marathon participants is 12 years old on race day. REFUND POLICY: All registration fees and…
Organize this race? Add details or a correction
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!