Winterfest 5K
Winterfest 5K is a running race on November 21, 2026 in Saint Louis, MO, with entry fees from $20 to $25.
- Date
- November 21, 2026 (127 days to go)
- Location
- Kiener Plaza, Saint Louis, MO
- Price
- $20–$25
- Sport
- Running
From the Organizer
Join us for the 6th Annual Winterfest 5K & 1-Mile Run/Walk produced in partnership with Big River Race Management. Race proceeds benefit Gateway Arch Park Foundation.
The Winterfest 5K & 1-Mile Run/Walk will start at 7:30 a.m. at Kiener Plaza and journey through the reimagined 91-acre Arch grounds before ending at the plaza.
Participants will receive a special edition Winterfest t-shirt and medal! Overall winners in the 5K will receive special prizes. Guaranteed shirt size and medal for all registrations before Oct. 20.
Gateway Arch Park Foundation is the official philanthropic partner and conservancy for Gateway Arch National Park, supporting conservation, preservation, education and community programs at and around the park. The Foundation is a 501(c)(3) nonprofit with a mission to ensure the Gateway Arch, its grounds, neighboring public spaces, and attractions will be a vital, welcoming, and well-supported resource for the community and nation for generations to come.
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
54°
Typical Low
37°
Based on US Climate Normals data from St Louis Sci Ctr, 4 mi from the venue.
Host City
About Saint Louis, MO
Population
293,109
as of 2023
City Elevation
471 ft
Nearest Airport
STL
St. Louis Lambert International Airport · 9 mi
Time Zone
Central Time
From Endurance Grid
A big city race. Expect multiple lodging options and plenty to do the day before.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Winterfest 5K, put it on the calendar, and turn “someday” into a start date.
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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.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
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Plan your trip
Make it a Racecation
Coming from out of town? There's more to Saint Louis than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to Saint LouisFrequently Asked Questions (FAQs)
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Winterfest 5K
Nov 21, 2026