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Race 13.1 St. Louis, MO

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Race 13.1 is returning to the "Gateway of the West" for the fourth Race 13.1 St. Louis, MO half marathon and 5k after a another very successful race in last year! The race will again start and finish at Missouri Research Park, a 200-acre research and development park in St. Charles County, and will feature a course filled with scenic greenways and beautiful views of the Missouri River and conservation areas. The looped course will follow local trails, including the Busch Greenway, Katy Trail and Hamburg Trail.

How to enter the Race 13.1 St. Louis, MO

  1. 5K

    Run 5km
    $39
    Event passed
  2. Half Marathon

    Run 13.1mi
    $79
    Event passed

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Event Details

What’s Included
Each racer will receive this tech t-shirt! We will offer both men’s and women’s size shirts. All participants will also receive access to numerous Event Deals.
Each racer will receive a finishers medal.
FAQs
Can I wear headphones?

It is unsafe to wear headphones while running. Event organizers will not restrict headphone use and leave it up to the athlete on his/ her ability to follow direction while wearing headphone devices. If you do choose to wear headphones please keep the volume level down so you are able to hear and follow the direction of course volunteers. We have a unique course where you MUST listen to volunteers.

Race 13.1 St. Louis, MO weather forecast

Clear throughout the day.

86°F
Predicted highs
68°F
Predicted lows
Icon50% chance of rain

Meet the organizer

Organizer's website

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