Found 81 races near Union, MO

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JUL
25

Sauget, IL
• 21.7 miles
$55
Izzy’s Dino Dash 5K Fun Run Jurassic Ballpark | July 25, 2026 Step into a prehistoric adventure at Izzy’s Dino Dash 5K Fun Run, a one-of-a-kind, family-friendly race held at Arsenal BG Ballpark,...
5K
36
AUG
1

Saint Ann, MO
• 38.7 miles
$29 -$55
Inclusive charity 5K supporting trauma healing awareness. Walk, run, roll, or stroll at your own pace through Tiemeyer Park.
1m 5K 10K
636
AUG
1

St. Louis, MO
• 33.5 miles
$17 -$80
Join us for the Heatwave Half Marathon, 10K, & 5K!A sun-soaked summer challenge that’s perfect for the whole family. The fun includes – Great Swag – designer shirt & custom medalChip-timing with...
1m 5K 10K Half Marathon
63
AUG
1

Maryland heights, MO
• 43.3 miles
$20 -$35
We are a mom run company dedicated to getting women moving in an environment that’s works for them not against them . Please note that we will never time our runners/walkers we strongly believe...
3K 5K
29
AUG
1

Foristell, MO
• 26.8 miles
$125
What Is The Next Loop? The Next Loop Endurance Series is a loop-based endurance running event designed for every type of runner — from first-time 10K participants to seasoned marathoners, ultra...
Half Marathon
22
AUG
8

Maryland Heights, MO
• 42.9 miles
$7 -$60
10K finisher beer included in Maryland Heights
1m 5K 10K
73
AUG
15

Sauget, IL
• 41.3 miles
A family-friendly, non-competitive 5K through mountains of colorful bubbles.
43
AUG
16

Ballwin, MO
• 40.5 miles
$25 -$45
A 5K and 1 Mile family fun run starting in Vlasis Park, followed by the Ballwin Days Festival.
1m 5K
46
AUG
22

Saint Louis, MO
• 25.9 miles
$25 -$35
Family fun 5K and 1-mile walk/run in Saint Louis, MO supporting area public schools.
1m 5K
27
AUG
22

St Louis, MO
• 18.4 miles
$125
What Is The Next Loop? The Next Loop Endurance Series is a loop-based endurance running event designed for every type of runner — from first-time 10K participants to seasoned marathoners, ultra...
Half Marathon
26
AUG
29

Saint Charles, MO
• 35.9 miles
$60 -$80
St. Louis Track Club annual trail races on the Lewis & Clark trails in Weldon Spring Conservation Area.
5m 8m Half Marathon
37
AUG
29

Saint Louis, MO
• 37.3 miles
$30
Victoria’s Together 5K Walk/Run is more than a race, it’s a movement rooted in community, awareness, and wellness. This lupus awareness event was created to bring people together while shining a...
5K
26
AUG
30

Saint Louis, MO
• 42.9 miles
$20 -$45
🏅 Super Hero Dash & Kids Fun Run! 🏅 Dust off your capes, lace up your sneakers, and get ready for a day of pure fun! This isn’t your average, high-stress race. There are no timers, no pressure,...
5K
18
SEP
5

St Louis, MO
• 38.7 miles
$39 -$99
Music festival run trail with supporting local charities and scenic course
5K 10K Half Marathon
107
SEP
6

Oakfield, NY
• 33.3 miles
$25
Oakfield Labor Daze Hornet Hustle 5k Run   COME FOR THE RUN AND STAY FOR THE FUN! Sunday, September 6th, 2026 @ 9:00 a.m. Join our annual Labor Daze festival starting shortly after the race   T...
5K
18
SEP
6

St Louis, MO
• 37.0 miles
$35 -$50
Run for the Dogs 5K features a fast, flat, and scenic course and proceeds from this event support a local rescue!   Join us on  Sunday, September 6, 2026 at 9:00 am  for an exciting event that...
5K
16
SEP
12

Saint Louis, MO
• 23.9 miles
$10 -$40
Get Ready for the 5th Annual Duo Dash 5K & 1-Mile Dog Walk! Mark your calendars — the Duo Dash is back! Lace up your shoes, leash up your pups, and join us for a day of fun, fitness, and...
5K
70
SEP
12

Saint Louis, MO
• 90.7 miles
$15 -$20
21st annual cross country festival at Forest Park, hosted by SLUH and Big River Race Management.
24
SEP
12

St. Louis, MO
• 44.0 miles
$41 -$51
The 9/11 Heroes Run 5K welcomes runners, ruckers, and walkers of all ages and fitness levels to honor the heroes of 9/11 and those who've served our nations since. We activate & unite communities...
5K
13
SEP
12

Kirkwood, MO
• 97.3 miles
$10 -$45
Every year the Kirkwood Rotary Club puts on a race through the streets of Kirkwood to raise money for local charities. Our 2026 race takes place on Saturday, September 12th, the weekend before...
5K 10K
21