Join us March 28-29, 2020 for the 20th Annual GO! St. Louis Marathon & Family Fitness Weekend

As the largest competitive fitness event in Missouri, this popular family fitness weeekend attracts more than 25,000 participants and includes races for all ages and fitness abilities. The weekend includes a full marathon, half marathon, marathon relay, 10K, 5K, children’s fun runs, and more!  As a St. Louis original, participants enjoy St. Louis-themed finish line food, top quality race shirts, great-looking finisher medals for all participants and a post-race party.

Event Highlights:

  • St. Louis’ Favorite Running Tradition
  • Boston Marathon qualifier
  • USATF certified courses

Event Requirements

  • Wheelchair Marathon & Half Marathon Participants
    Participants must wear helmets at all times and stay to the right side of the road. Wheelchair participants are permitted in the Marathon and Half Marathon only. Hand crank chairs are not eligible for entry. If you have additional questions regarding wheelchair participation, please email us at

Participant Race Caps

Due to course limits, participant race caps have been established.

  • 3,000 participants for the marathon
  • 12,000 participants for the half marathon
  • 2,000 participants for the 10K
  • 650 four-person teams (2,400 total) for the marathon relay
  • 3,000 participants for the 5K
  • The Children’s Fun Runs and Mature Mile are each capped at 500 participants


All marathoners, half marathoners, 10K and marathon relay participants will receive the following race amenities:

  • Premium event shirt
  • Top quality finisher’s medal
  • Personalized bib with your name (must be registered by 2/1/19; Sunday events only)
  • Water/Gatorade stations along the course including the start and finish lines
  • Energy gel stations along the half and marathon courses
  • St. Louis-themed finish line food including Ted Drewes Frozen Custard, Pasta House Toasted Ravioli
  • Course entertainment including a Crown Candy Chocolate station
  • Gear check
  • VIP access (additional purchase required)
  • Medical stations
  • Massage therapy
  • Individual race photos
  • Spirited neighborhood crowds
  • Hospitable volunteers
  • After Party featuring a local band

All 5K and Children’s Fun Run participants will receive the following race amenities:

  • event t-shirt
  • finisher’s medal
  • 1 water station
  • post-race food, beverages & festivities

Corral/Wave Start

Race bibs will designate your assigned corral for the race with a letter (A,B,C or D, etc.) which is located on your bib.

There will be multiple waves on race morning to space runners out so all can fall into their own running rhythm. The first wave will be at 7:00am. Each successive wave will be separated by one minute. When the start of the race is announced, Corral A will be released. Corrals B, C, and D will remain at the start. At one minute intervals the next corral will be released. Participants may move back in a corral/wave (i.e. from B to C), but may not move up in a corral/wave (i.e. from C to B).

Individual times will not activate until a participants timing tag crosses the timing mats.

Course Map

Half Marathon Course Map

Marathon Course Map

Parking & Shuttles

We will have shuttles to the start line from downtown parking on race morning. Please board the shuttle at the designated location no later than 6am to head to the start line in Forest Park!

For more information on parking and shuttles CLICK HERE.

Health & Fitness Expo

The GO! St. Louis Health & Fitness Expo is a two-day event that is open to participants in the GO! St. Louis Marathon & Family Fitness Weekend, their family members and friends.

The Health & Fitness Expo will take place Friday, March 27 and Saturday, March 28, 2020.


Pace Team

We offer pace teams for both the full and half marathon led by experienced athletes. Visit the official pace team page for pace groups and bios.

Time Limit Rules

Please note that all GO! St. Louis races adhere to a maximum pace of 14:52 minute per mile.

Marathon Weekend: The marathon course route re-opens to traffic at a rolling schedule according to a 6.5-hour marathon pace or (14:52 minutes per mile). Marathoners and Half Marathoners must maintain a 14:52 minute per mile pace throughout the race. The time limit rules will be strictly enforced.

There will be a pace leader leading a 6 hour 30 minute marathon pace or 3 hour 15 minute half marathon pace (14:52 minutes per mile). The time limit will begin when the 6:30 marathon pace group crosses the start line after the start of the race.  Anyone who falls behind the last pacer, leading 14:52 min/mile must get into the sag wagon and be transported to the finish, or move to the sidewalk and obey all traffic signals.

Any Marathon or Marathon Relay participant who falls behind the pace (behind the 6:30 pace group) prior to the Half Marathon turn to the finish, will be required to finish with the Half Marathon. Any marathoner, who turns at the half marathon split and completes the half marathon, will receive finish line amenities (food, water, medical assistance if needed).

After the half marathon turn to the finish, course support (police, course monitors, and water stations) will not be available to marathoners or marathon relay teams who fall behind the 14:52 minute per mile pace. Anyone who falls behind the pace must get in the sag wagon and will be transported to the finish line, or move to the sidewalk and obey all traffic signals.

Marathoners who only complete the Half Marathon will not be eligible for overall or age group awards.

For a more detailed list of rules and regulations, please call 314-727-0800.


If you are looking for a fun and rewarding experience, consider joining the more than 3,000 volunteers who help make GO! events and programs a success.


Proper training can be the difference between an enjoyable and rewarding experience to an unsatisfactory outcome. Whether you are training for your first marathon or your first 5K, we can help you find a plan that fits your needs.