The Firefly Overnight Endurance Challenge & 10k Trail Race

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Unnamed Road, Lewis Center OH

Saturday, June 27th, 2026

🌟 Welcome to the Firefly!

Each and every year, one of the world’s most beloved bugs visits Ohio – proudly announcing their arrival with random sparks and flickers of glowing neon throughout the summer sky. Join us as we welcome and celebrate the most efficient light in the world… the firefly! (nearly 100% of the energy in the chemical reaction within the fireflies light organ is emitted light… it’s true)

🌙 Race Overview

Whether you’re looking to set a distance PR or just looking to run in the dark with some friends, “The Firefly Overnight Endurance Challenge and Sunset & Sunrise 10k” will offer you that opportunity with 12-hours of fully supported, overnight-racing throughout the ONLY trail in central Ohio built BY runners, FOR runners! Wait, what?!?! Overnight!?!?! Yes!!

Start Time: The race will start at 8pm, and it will be dark no matter which race you choose!
Safety Gear: Headlamps and/or flashlights are mandatory. Reflective gear, glow-sticks, and body-paint are encouraged.
Family Friendly: Bring your family and friends, as the course will pass through the overnight group-camping area.
Kids Race: The kids mile will start promptly 30-minutes prior to the “big kids” race.

🕗 Race Details

The Firefly Overnight Endurance Challenge starts at 8:00pm, on the Rocks and Roots trail at Alum Creek. The clock stops at 8am for the overnight challenge. Only completed laps count towards mileage.

Participant Age: For the safety of all our participants, minors 14-18 are permitted to run the overnight challenge with an adult on site for the duration of the race. Children under 14 are not permitted to participate.
Date: Saturday/Sunday, June 28-29, 2025.
Races Included: Overnight Endurance Challenge, Sunset & Sunrise 10k and Kids Mile.
Course Location: Starts and finishes at the Alum Creek State Park Group Campsite.

💰 Registration Fees

Our races typically sell out 2-6 weeks prior to race day. Please note: The Firefly Trail Race has a NO REFUND and NO BIB TRANSFER policy for all events.

Overnight Endurance Challenge OR Sunset/Sunrise Double

Through February 29th: $60
March 1st-31st: $65
April 1st-30th: $70
May 1st-31st: $75
June 1 through Race Day: $85

Sunset 10K OR Sunrise 10K

Through February 29th: $45
March 1st-31st: $50
April 1st-30th: $55
May 1st-31st: $60
June 1 through Race Day: $70

Kids 1 Mile Sunrise Run

FREE!!

🎁 What Do You Get?

Epic trail race experience!
Event Shirt
Event Buff
Event Pint Glass

🍳 Additional Information

Pancake breakfast.
Designated space available for spectators and drop bag tents for 50K & 50M participants.
Optional camping is for a site at the Group Camp and Race Headquarters (all of about 50 ft from the start/finish).
Quiet time will be enforced from 11pm-7am.

📦 Packet Pick Up

Packet pickup will be held at Fleet Feet Sports in Lewis Center before the event on Thursday, June 26 through Friday, June 27 during normal business hours.
Race day packet pickup will beginning at 6pm at the race site at Alum Creek State Park.