Events by Terrain Trail Runners-STL

Terrain Trail Runners (TTR) is a public group of trail and ultra runners in St. Louis, Mo. We are a USA Track & Field member organization and all our races are sanctioned by USATF. The group was created in order for us to share our passion for the sport, discuss routes and trails, learn more about training and nutrition, and much more. We host weekly runs, as well as special events and races. We are a fun and supportive community and welcome new and experienced runners alike! ​PERTINENT FACT: Terrain Trail Runners is a Lady Owned Business! We believe in leveling the playing field when it comes to our sport, trail/ultra-running and all our events are race directed by a female RD at the helm. Join the movement! Learn more about the Race Director HERE!! MEMBERSHIP Become a member for FREE simply by joining our Facebook page. As a member, you'll have access to our weekly run schedules, races, special events and more. Post questions, add pictures, and participate in discussions about trail and ultra running. RUNS WE HOST Our runs vary in distance and terrain, from flat bottomland to steep, rocky hills and from one hour to three hours or more. The goal is to offer something for everyone. Bottom line: Training with TTR will get you ready for any trail race. Sunday Mornings – Runs are at different trail locations in and around the St. Louis area. Night Runs – Few times a year at either Chubb Trail, Greensfelder Park, Rock Hollow/Bluff View Trails and Lewis and Clark, spring through fall. ​Stay in the loop follow us on Instagram, join us on Facebook, sign up for our Monthly Newsletter and/or run with us on Strava! RACES WE HOST We currently host twelve annual trail races/events that run from January through December. All of the races offer ultra distances as well as shorter distances, plus food, beverages, timing, photos and swag from our awesome sponsors. 50K MASHUP Trail Race Series (January - October) Doomsday 5K (January) 963 Beulah Challenge (February) Queeny Backyard Ultra (March) Ozark Foothills 100 (April) Thunder Chicken 100K (May) Dark 2 Dawn (June) Triple Crown 10K Night Trail Run Series (August) Rockin' Rockwoods (September) Babler Bongo 15k (October) STL Women's Trail Summit (October) ​Wildwood Trail Marathon (December) AFFILIATION: Terrain Trail Runners is proud to be a USA Track & Field Member Organization. DISCLAIMER: Run at your own risk. We will do all we can to help, but everyone is responsible for themselves. Be aware that if you start running with us, miles may become addictive and shorter-distance runners may find themselves soon crushing a 50K race! It all starts with showing up for one TTR run.

Upcoming Events

Dark 2 Dawn Night Trail Run - 9 Hours / 6 Hours / 10K Image

Dark 2 Dawn Night Trail Run - 9 Hours / 6 Hours / 10K

  • Jun 27, 2026
  • St. Louis, MO USA
6 Hours
9 Hours
Rockin' Rockwoods Trail Race Image

Rockin' Rockwoods Trail Race

  • Sep 26, 2026
  • Wildwood, MO USA
53 KM
Ozark Foothills Endurance Runs Image

Ozark Foothills Endurance Runs

  • Apr 9, 2027
  • Wildwood, MO USA
50 KM
50 KM
50 Miles
100 KM
100 Miles

Past Events

963 Beulah Challenge 9 Hours / 6 Hours / 3 Hours Image

963 Beulah Challenge 9 Hours / 6 Hours / 3 Hours

  • Feb 7, 2026
  • Wildwood, MO USA
3 Hours
6 Hours
9 Hours

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

The Midwest Ultra Track Classic
Warrensburg, MO - 19 finishers
24 Hours | 12 Hours | 6 Hours
Rabid Raccoon 100
Beaver Falls, PA - 275 finishers
100 Miles | 100 KM
Spence Mountain Run
Klamath Falls, OR - 11 finishers
50 KM
Great Mansfield Outdoors
Mansfield, ON - 56 finishers
100 KM | 50 KM
Run Comfy Numb Trail Race
Whistler, BC - 68 finishers
50 KM
Salt Lake Foothills Trail Races
Salt Lake City, UT - 84 finishers
50 Miles | 50 KM
Mohican Trail Run
Loudonville, OH - 251 finishers
100 Miles | 50 Miles
MCW The Tatum Classic
Middletown Township, NJ - 16 finishers
50 KM
Coz's Backyard Ultra
Holland Patent, NY - 16 finishers
Backyard
View All Results