Running races in or near Maryland Heights, MO
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Maryland Heights, MO area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.
Running-5K - 5K Registration
Organization: Cahokia Mounds Museum Society
Date of Race: 11-08-2026
Description: Mark your calendars and plan to join us on Sunday, November ...
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Running-5K - Family 5K Registration
Organization: Cahokia Mounds Museum Society
Date of Race: 11-08-2026
Description: Mark your calendars and plan to join us on Sunday, November ...
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Cross-Country Running-5K - Over 18
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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Cross-Country Running-5K - 12 - 18
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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Cross-Country Running-5K - Under 11
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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Open 5-O 5K Run/Walk - 19 and OIder ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
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Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 08-15-2026
Description: If you’ve done a traditional 5K, you know they ...
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Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 08-15-2026
Description: If you’ve done a traditional 5K, you know they ...
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Cross-Country Running-1 Mile Fun Run - Over 18
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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5k Teams - Men's 5K Team
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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Junior 5-O 5K Run/Walk - 0-18 - Junior ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
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Bubble Run | St Louis 2026
Organization: Viral Run
Date of Race: 08-15-2026
Description: If you’ve done a traditional 5K, you know they ...
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Open Virtual Running - 19 and Older - ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
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Junior Virtual 5K - 0-18 - Individual Age ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
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Cross-Country Running-1 Mile Fun Run - Under 11
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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City of the Sun 5K Trail Run 2026
Organization: Cahokia Mounds Museum Society
Date of Race: 11-08-2026
Description: Mark your calendars and plan to join us on Sunday, November ...
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11th Annual 5-O 5K Donut Run/Walk Presented by ...
Organization: Collinsville Police Department Special Olympics
Date of Race: 07-25-2026
Description: Join the 5-O 5K Donut Run for a Sweet Cause! 🍩🏃♂️ ...
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Cross-Country Running-1 Mile Fun Run - 12 - ...
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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5k Teams - Women's 5K Team
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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Mud Mountain XXX 5K Classic and Mile Fun ...
Organization: Edwardsville Cross-Country and Track and Field Booster Club
Date of Race: 07-25-2026
Description: THIS IS NOT A "MUD" RACE! The 30th Annual Mud Mountain ...
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Complete list of running events in and near Maryland Heights, MO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Maryland Heights
About Maryland Heights
Maryland Heights (MO) is a city in Saint Louis County with an estimated population of 27,472.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
