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Big River Unpaved

Big River Unpaved is a running race on October 11 – December 20, 2026 in Saint Louis, MO.

Date
October 11 – December 20, 2026 (44 days to go)
Sport
Running
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From the Organizer

Have you considered getting into trail running or hiking, but didn’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. 

This program is FREE! So get ready to lace up your trail shoes and get outside!

Details:

  • Weekly trail excursions on Sunday mornings at various locations throughout the St. Louis metro area. (Some of these trails will be a 30+ minute drive from the city and mid-county. The location schedule will be shared with registered participants.) The spring season also includes Thursday evening trail outings.
  • Weekly email newsletter to keep you informed
  • Beginner-friendly
  • Experienced Trail Guides to share motivation and advice (and help you “stay found”)
  • Age requirements - For safety reasons we can't accommodate unaccompanied minors. Those under 18 must be accompanied by (running/hiking with) their guardian for the duration of any trail excursion
  • Hiking Pace - Our Hike Guides will generally maintain a pace faster than 2.5mph or 24:00/mile. Participants desiring to hike slower are welcome to attend but may be hiking without Guide support.
  • Ruckers welcome!

For more information, visit https://www.bigriverrunning.com/run/unpaved/

 

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 Big River Unpaved, put it on the calendar, and turn “someday” into a start date.

44

Days to train

Race
Big River Unpaved
Date
October 11 – December 20, 2026

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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.

Read the Guide

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.

Frequently Asked Questions

What is the Big River Unpaved?
Big River Unpaved is a running race held in Saint Louis, Missouri on October 11, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Big River Unpaved?
Sunday, October 11, 2026 in Saint Louis, Missouri at 13969 Manchester Road. Check the event page for exact start times and wave schedules.
How do I register for the Big River Unpaved?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Big River Unpaved

Oct 11, 2026

Register →