Race Discovery
Winterfest 5K
Winterfest 5K logo

Winterfest 5K

Saint Louis, Missouri, United States View on map
Nov 21, 2026 (America/Chicago local time)
Running

About this race

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.

Pick your distance

Running

5K Run/Walk

Nov 21, 2026 5K 7:30 AM
$35.00
Open

1-Mile Fun Run/Walk

Nov 21, 2026 1.6K 7:30 AM
$30.00
Open

Typical race-day weather

Based on 11 years of Open-Meteo archive data for this event's race dates in Saint Louis, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 2.7° / Maximum temperature (race-week average) 12.1°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) -1.3° / Maximum feels like — heat index / wind chill (race-week average) 11.0°
Peak wind (km/h)
Strongest wind of the day (race-week average)
18.1
Precip (mm)
Precipitation over the day (race-week average)
2.1mm
Humidity
Mean relative humidity (race-week average)
70.2%
Sunrise
Sunrise at the start line on November 21, 2026 (CST)
Sunset
Sunset at the start line on November 21, 2026 (CST)
Daylight
Hours between sunrise and sunset on race day
9h 54m

The sun rises at 6:49 AM and sets at 4:43 PM local time (CST) in Saint Louis on November 21, 2026 — 9h 54m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 104 Saint Louis events

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