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Firefly 3K Fun Run

Fri, Jun 19, 2026, 8:00 AM CDT

Location
Lisle, IL
The Morton Arboretum, 4100 South IL Rt. 53, 60532
Type
VIRTUAL
Official registration

Sign up and verify details on the organizer’s official page.

At a glance

Enjoy a beautiful sunset run or walk through The Morton Arboretum's stunning collections on a flat, paved course.

  • Fun
  • Scenic

Experience a delightful evening at The Morton Arboretum with the Firefly 3K Fun Run. This event offers a gentle fitness challenge on a relatively flat, paved course, perfect for runners, walkers, and wheelchair users of all levels. Enjoy stunning sunset views as you move through the Arboretum’s beautiful tree and plant collections. Participate in person or virtually, and receive branded Firefly 3K apparel to commemorate your experience.

What to expect

  • Run or walk a 3K on a paved, flat course through The Morton Arboretum's East Side.
  • Take in stunning sunset views amidst diverse tree and plant collections.
  • Participate in person or virtually, receiving branded Firefly 3K apparel.

Standout details

  • Stunning sunset views
  • Paved, flat course
  • The Morton Arboretum setting
  • Branded Firefly 3K apparel

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

3 options

Registration for all distances is through the official signup link above.

  • 3K

    Fri, Jun 19, 8:00 AM CDT · From $33.63

    Opens Apr 21, 2026, 4:00 AM CDT · Closes Jun 10, 2026, 4:59 AM CDT

  • Firefly 3K Fun Run

    Fri, Jun 19, 8:00 PM CDT · From $44.30

    Opens Apr 21, 2026, 4:00 AM CDT · Closes Jun 19, 2026, 3:55 PM CDT

  • Spectator Ticket

    Fri, Jun 19, 8:00 PM CDT · From $28.29

    Opens Apr 21, 2026, 4:00 AM CDT · Closes Jun 19, 2026, 4:00 PM CDT

From the organizer

Kicking off at 8:00 p.m. on Friday, June 19, the Firefly 3K Fun Run offers a fun fitness challenge and a chance to enjoy stunning sunset views at The Morton Arboretum.

The Firefly 3K course will follow the main paved road on the Arboretum's East Side, moving through the Arboretum’s tree and plant collections, and down Frost Hill. The course is relatively flat and well-suited for runners, walkers, and wheelchair users of all experience levels.

Virtual Participation

Participants can run the Firefly 3K Fun Run at the Arboretum or participate virtually by completing the course distance at another location and logging the results online.

All Firefly 3K Fun Run and Virtual race participants will receive branded Firefly 3K apparel. Spectators will not receive branded apparel.

Pricing

Firefly 3K Fun Run Firefly 3K: $35 member, $45 guest

Virtual Participation Firefly 3K: $25 member, $35 guest

Spectator Ticket $15 member, $25 guest

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