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Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

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Mud Factor - St. Louis

Name: Mud Factor - St. Louis
Start: 2027-06-05
End: 2027-06-05
Location: Eureka

Eureka, United States • 5 Jun 2027

The Mud Factor - St. Louis will take place in Eureka on Saturday 5 June 2027. You can run 5 kilometers. Visit the organization's website for the most recent information.

United States Missouri Eureka

Race information

Website

5 km

Kidz Family Wave

5 km

5k Obstacle Run

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Jul 11

Beer & Bagel Run - Defiance

Defiance

4 mi

A 4 mile off-road trail race at Good News Brewery in Defiance, MO on July 11, 2026, with a post-race party, free bagels and beer, and a long sleeve tech shirt. Registration opens February 18 and closes May 1 with a $50 fee.

Saturday Jul 18

Get Your Butt Kicked @ Route 66

Eureka

Timed 3 and 6 hour loop races at Route 66 State Park near Eureka, MO on July 18, 2026. Measured 2.425 mile loop with a 0.333 mile short lap, cupless aid station, night running and finisher medal plus custom socks.

Saturday Aug 1

The Next Loop - Indian Camp Creek

...

A loop-based trail event in Foristell, Missouri on August 1, 2026, where runners repeat a 3.1 mile (5K) loop each hour and may stop after any completed loop. Results combine times for all completed loops to determine rankings.

Fri - Fri Aug 7-21

Triple Crown Night Trail Run Series

Wildwood

10 km

A three-week night trail series in Wildwood, MO featuring three 10K races with increasing climb per mile. Organized by Terrain Trail Runners, the series includes finisher stickers, post-race refreshments, awards credits, and a cup-free sust..