Big River Unpaved 2026
- Date
- Sunday, October 11, 2026
- Start time
- 8:00 AM start (Chicago)
- Location
- Saint Louis, Missouri
- Entry fee
- From Free
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Big River Unpaved | – | Oct 11, 20268:00 AM | Free | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- Free until Dec 21.
Online registration closes Dec 21, 2026, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 7:06 AM, and the Big River Unpaved starts at 8:00 AM. The start sits about 690 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
13969 Manchester Road, Saint Louis, MO 63011
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Typical race-day weather
Around October 11 the day usually runs from 52°F at dawn to 73°F in the afternoon, with measurable rain on about 15% of days. Cold snaps dip to 42°F and hot years reach 83°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.
Race details
- Where
- 13969 Manchester Road, Saint Louis, MO 63011Map
- Course
- Road
- Start elevation
- About 690 feet
- Distances
- See events
- Editions
- 2026 (Oct 11, 2026), 2025 (May 4, 2025), 2024 (May 5, 2024), 2023 (Apr 23, 2023), 2022 (Oct 30, 2022)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Big River Unpaved?
- Sunday, October 11, 2026, starting at 8:00 AM.
- How much does it cost?
- Entry starts at Free before processing fees.
- When does registration close?
- Online registration closes Dec 21, 2026, unless the race fills first.
- What distances can I run?
- See the event list above.
- Where does it start?
- 13969 Manchester Road, Saint Louis, MO 63011.
From the organizers
Have you considered getting into trail running or hiking, but haven't know where to start, or were apprehensive about venturing out onto the trails alone? Big River Unpaved is a FREE, fun, friendly, and first-class training program for runners and walkers of all abilities. This program is geared for people new to hiking or trail running, looking for a fun, social, and supportive atmosphere in which to venture out into the outdoors. Our trail excursions will be supported by guides who will help you “stay found” and share knowledge about trail etiquette and technique. Our trail excursions will help make hitting the trails more comfortable and accessible by providing comradery and education in a fun, social, and supportive atmosphere.