Firefly 3K Fun Run
About this race
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
Pick your distance
Running
Firefly 3K Fun Run
Virtual Firefly 3K
Virtual runners are not eligible for awards or completion medals.
Typical race-day weather
Based on 7 years of Open-Meteo archive data for this event's race dates in Lisle, plus the 3 days either side.
The sun rises at 5:17 AM and sets at 8:30 PM local time (CDT) in Lisle on June 19, 2026 — 15h 13m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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2026 results — Firefly 3K Fun Run
Virtual Firefly 3K · 13 finishers
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | George Andrikokus | 15:57 | 8:33 /mi |
| 2 | Cyndi Schu | 23:08 | 12:25 /mi |
| 3 | Shauna McGing | 23:15 | 12:28 /mi |
| 4 | Joseph Ruffino | 30:54 | 16:35 /mi |
| 5 | Chan-Yu Wang | 33:15 | 17:50 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
All results by year
Other races near Lisle
Different organizers, within 40 miles, in the next three months
The Fall Color 5K
Lisle Turkey Trot Tune-Up 5K
Pine Pacer Challenge
Hot Cider Hustle - Wheaton 8 Mile Run & 5K Run/Walk
🏃 Plan Your Next Race in Lisle
Find upcoming events by distance:
- Lisle 5K Races 7 races
- Lisle Running Calendar 2026 9 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 9 Lisle events
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