St. Louis Ultrarunners Group

Founded in 1998, the St. Louis Ultrarunners Group (SLUGs) is dedicated to promoting ultrarunning in the central Midwest. Fostering a community atmosphere, our club welcomes new and seasoned runners alike. If you are looking for great races, a friendly atmosphere and a group of people that are passionate about ultrarunning, then you are in the right place.

Upcoming Events

SLUG Saturday Group Run
Sat, Jan 25
Ballwin
Jan 25, 2025, 8:00 AM
Ballwin, 1401 Kiefer Creek Rd, Ballwin, MO 63021, USA
Jan 25, 2025, 8:00 AM
Ballwin, 1401 Kiefer Creek Rd, Ballwin, MO 63021, USA
Weekly group run hosted by St. Louis Ultrarunners Group. All paces welcome, we usually break into groups, but take it upon yourself to be familiar with the trails. You do not have to be a paid SLUG member to join us -- but we may convince you to join!
Learn more

Howard Aslinger Endurance Run
Fri, Mar 14
Arena Park
Mar 14, 2025, 7:00 PM CDT – Mar 15, 2025, 7:00 PM CDT
Arena Park, 2 Lions Way Dr, Cape Girardeau, MO 63701
Mar 14, 2025, 7:00 PM CDT – Mar 15, 2025, 7:00 PM CDT
Arena Park, 2 Lions Way Dr, Cape Girardeau, MO 63701
24 and 12 hour race
RSVP

Chubb 50k/25k/8m
Sat, Apr 12
West Tyson County Park
Apr 12, 2025, 8:00 AM – 2:00 PM CDT
West Tyson County Park, 131 N Outer Rd, Eureka, MO 63025, USA
Apr 12, 2025, 8:00 AM – 2:00 PM CDT
West Tyson County Park, 131 N Outer Rd, Eureka, MO 63025, USA
RSVP

Berryman Trail Runs
Sat, May 17
Potosi
May 17, 2025, 6:00 AM – 10:00 AM CDT
Potosi, Potosi, MO 63664, USA
May 17, 2025, 6:00 AM – 10:00 AM CDT
Potosi, Potosi, MO 63664, USA
The Berryman Trail is an approximately 26-mile single-track loop through the Mark Twain National Forest. Run two loops for the 50-Mile race, one loop for the Marathon. The total elevation gain/loss is 2500 ft/2500 ft per loop.
RSVP

Get Your Butt Kicked @ Route 66
Sat, Jul 19
Route 66 State Park
Jul 19, 2025, 6:00 PM CDT – Jul 20, 2025, 12:00 AM CDT
Route 66 State Park, 97 N Outer Rd, Eureka, MO 63025, USA
Jul 19, 2025, 6:00 PM CDT – Jul 20, 2025, 12:00 AM CDT
Route 66 State Park, 97 N Outer Rd, Eureka, MO 63025, USA
The course is a measured 2.425 mile loop through the wooded northwest corner of Route 66 State Park. The course is a wide path consisting of thin pavement, chip n seal and some fine gravel.
RSVP

Minnie Ha Ha Endurance Races
Sat, Oct 18
Minnie Ha Ha Park
Oct 18, 2025, 7:00 AM – 7:00 PM CDT
Minnie Ha Ha Park, 801 Old Gravois Rd, Sunset Hills, MO 63127, USA
Oct 18, 2025, 7:00 AM – 7:00 PM CDT
Minnie Ha Ha Park, 801 Old Gravois Rd, Sunset Hills, MO 63127, USA

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