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The Fall Color 5K

Lisle, Illinois2,042 spots
Entry from
$45
Days to go
18
Register from $45 on RunSignUpmortonarb.org

At a glance

Date
Oct 24, 2026
Location
Lisle, Illinois
Distances
5K
Registration
Registration open until Oct 24, 2026, via runsignup.com
Official site
mortonarb.org
Listed from
RunSignUp
Last checked
Oct 5, 2026

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About this race

Spend a magical fall morning running or walking through a scenic course with trees just at the cusp of their full autumnal color change. You’ll experience a unique course with rolling terrain along the Arboretum’s East Side, perfect for participants of all levels to help kick off the Fall Color Festival. A virtual 5K option is also available. 

Once you’ve conquered the course, stay for a postrace party with live music, food, and a complimentary beer! 

Your ticket purchase helps support the Arboretum’s mission to plant and protect trees for a greener, healthier, and more beautiful world.

Line up with everyone at 8:00 a.m. for a shotgun start. Cross by 8:15am if you'd like to go your own pace.

Note: Medals will only be awarded to those who compete in the 8:00 a.m. shot gun start. 

Arboretum Members save $10 per registration. The discount will be applied during the registration process after entering your Member number.

Key dates

Registration opens

Jun 23, 2026

Tier 1 ends

Jul 13, 2026

Tier 2 ends

Oct 13, 2026

7d

Registration closes

Oct 24, 2026

18d

Race day

Oct 24, 2026

18d

Tier 2 ends

Oct 24, 2026

18d

Tier 3 ends

Oct 24, 2026

18d

Pricing

8:00 a.m. Shotgun Start 5K

Tier 2, then $65 from Oct 24, 2026

$60

Virtual 5K

Tier 2, until Oct 13, 2026

$45

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