2026 Big Muddy Monster 5k Run/Walk logo
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2026 Big Muddy Monster 5k Run/Walk

Date
June 20, 2026
Distance
2026 Big Muddy Monster 5k Run · 2026 Big Muddy Monster 5k Walk
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From the Organizer

It's that time again! The 2026 Big Muddy Monster 5k Walk/Run in downtown Murphysboro, IL ! Pre-registration by June 10th to guarantee a          t-shirt! Online registration is open till the morning of the race on June 20th. Packet pick up at the Old Depot building 1701 Walnut St. near start line in Murphysboro starting at 7am the day of the race. 8:00am Run/Walk begins. All proceeds benefit the Old Depot Restoration project to renovate as a community welcome center! 

Events

2026 Big Muddy Monster 5k Run8 AMRegister →
2026 Big Muddy Monster 5k Walk8 AMRegister →

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

87°

Typical Low

65°

Chance of Rain

38%

Based on US Climate Normals data from Carbondale Southern Il Ap, 5 mi from the venue.

Sunrise 5:36 AMSunset 8:23 PMDaylight 14h 47m

Host City

About Murphysboro, IL

Population

6,804

as of 2023

Nearest Airport

MWA

Veterans Airport of Southern Illinois · 17 mi

Major Hub

STL

St. Louis Lambert International Airport · 88 mi

Time Zone

Central Time

From Endurance Grid

A small town race. Lodging near the start could be limited, so book early.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at 2026 Big Muddy Monster 5k Run/Walk, put it on the calendar, and turn “someday” into a start date.

12

Days to train

Race
2026 Big Muddy Monster 5k Run/Walk
Date
June 20, 2026

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 the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the 2026 Big Muddy Monster 5k Run/Walk?
2026 Big Muddy Monster 5k Run/Walk is a running race held in Murphysboro, Illinois on June 20, 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 2026 Big Muddy Monster 5k Run/Walk?
Saturday, June 20, 2026 in Murphysboro, Illinois at 1701 Walnut St., Murphysboro, IL. Check the event page for exact start times and wave schedules.
How do I register for the 2026 Big Muddy Monster 5k Run/Walk?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

2026 Big Muddy Monster 5k Run/Walk

Jun 20, 2026

Register →