Found 490 races

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OCT
18

Grand Rapids, MI
• 14.8 miles
$25
The Grand Rapids Marathon delivers a fun, highly personal, authentic race experience, particularly for runners who value a well-organized, personal experience over the chaotic, crowded fields of...
Half Marathon Marathon
OCT
18

Grand Rapids, MI
• 15.4 miles
The Run Through the Rapids 5K & 10K is a popular race held alongside the Grand Rapids Marathon weekend, offering shorter distance options for runners of all levels. It is known for its festive...
5K 10K
27
OCT
18

Williamston, MI
• 84.2 miles
$30 -$40
Join us for beautiful fall colors at The Barn Run. Entry Fee: $30 until 9/30 (t-shirt guaranteed). $35 from 10/1 to 10/16 (t-shirt available as supplies last). $40 race day, online registration...
5K
22
OCT
18

Walker, MI
• 11.5 miles
$225 -$250
  A Race Series Designed by Runners, for RunnersIn 2021 we created the McKirdy Micro Marathon series to help athletes run a personal best and qualify for the Boston Marathon or beyond. At the...
Marathon
52
OCT
18

Grand Rapids, MI
• 14.8 miles
$47 -$412
University of Michigan Health - West Grand Rapids Marathon Foster Swift Half Marathon Pepsi Zero Sugar Marathon Relay Run Thru The Rapids 5K & 10K   Race insurance offered through RunSignUp on...
5K 10K Half Marathon Marathon
73
OCT
24

Sanford, MI
• 95.6 miles
$35 -$40
Eleventh Annual Halloween Costume Trail 5K supporting the Meridian Band Department, held at Meridian Early College High School on the cross country course. Prizes will be awarded for Best...
5K
10
OCT
24

Harrison Township, MI
• 98.3 miles
$25 -$55
Bring the whole family for fun at the Halloween Hustle 5K, 8K Run/Walk and Fun Run!     SATURDAY OCTOBER 24, 2026.  Our event will be hosted from the Thomas Welch Activity Center inside Lake St...
5K 8K
25
OCT
24

Milford, MI
• 81.0 miles
$25 -$75
Join us for the 8th Annual Michigan Monster Dash, returning to the scenic Kensington Metro Park! Runners will enjoy breathtaking views, a mostly flat course, and the peaceful beauty of...
1K 5K 10K Half Marathon
48
OCT
24

Grand Rapids, MI
• 16.5 miles
$25
The historic Alger Heights Halloween 5k loop is back! Going through many of the parts of the Alger Heights neighborhood that you have come to love. This year the course will start and end on...
5K
15
OCT
24

Sterling Heights, MI
• 73.1 miles
$15 -$20
Join us on Saturday, October 25 for a community 5K that kicks off the best week of the year! The Neighborhood Block Party's 5K is a family-friendly fun run/walk held on paved paths through...
5K
7
OCT
25

Troy, MI
• 70.2 miles
$10 -$45
Join us Sunday, October 25, 2026 for the 10th Annual Frightful 5K & Pumpkin 1K presented by the City of Troy! The USATF certified course will start and finish at the Troy Community Center located...
1K 5K
6
OCT
25

Northville, MI
• 67.5 miles
$30 -$40
Kids Without Cancer presents the Haunted Hustle 5k and Monster Mile!    The event takes place on Sunday, October 25th at ITC Community Sports Park in Northville. The festivities will kick off...
5K
15
OCT
25

Saint Johns, MI
• 72.3 miles
$25 -$55
Join us on Sunday, October 25 at Uncle John's Cider Mill for the Playmakers Ghostly Gallop! This event includes a 5K Run/Walk, Boo Dash kids race, and the 1 Mile Kids XC Race. All three races...
1m 5K
29
OCT
25

Detroit, MI
• 86.7 miles
$30 -$50
Join us for a scenic 5k run or walk at the beautiful Detroit Riverwalk! Our 5th annual Set the PACE 5K supports PACE Southeast Michigan's mission to help older adults live safely and...
5K
5
OCT
25

Grand Rapids, MI
• 101.6 miles
The overGRound is a free, unsanctioned marathon and marathon relay through the city of Grand Rapids whose route showcases the variety of GR’s features and neighborhoods (beyond Butterworth and...
Marathon
40
OCT
25

Washington, MI
• 64.8 miles
$15 -$55
Like Running or Walking?  Love Wine?  This race is for you!  Join us on Sunday, October 25, 2026 at 9:00am for another exciting "Halloween Themed" event that features the orchard scenery and...
5K
8
OCT
25

Northville, MI
• 69.2 miles
$30 -$75
Welcome to the thrilling Wicked Halloween 5k and 10k Run, set amidst the enchanting landscapes of Maybury State Park in Northville, Michigan, this October! Prepare to immerse yourself in the...
5K 10K 15K
33
OCT
30

Fenton, MI
• 42.8 miles
$30 -$65
III
5K
17
OCT
31

Grand Rapids, MI
• 48.9 miles
$35 -$50
The Alger Heights Halloween 5k is a volunteer led, neighborhood focused 5k fun run. We are a 'small town in a big city' event that seeks to include all individuals and support the betterment of...
5K
22
OCT
31

Laingsburg, MI
• 33.8 miles
$35 -$70
Come on out and join us for the newest Michigan Trail Experience race. Experience a beautiful 4.167 mile loop through Sleepy Hollow State Park. The park contains over 2,600 acres including a...