The Firefly Overnight Endurance Challenge & 10k Trail Race

✨ Join Us at 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.
• Mandatory Gear: Headlamps and/or flashlights are required.
• Encouraged Accessories: Reflective gear, glow-sticks, and body paint.
• Family Involvement: The course will pass through the overnight group-camping area.

🏃 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.

• Age Limits: Minors 14-18 are permitted to run the overnight challenge with an adult on site for the duration of the race.
• Event Dates: Saturday/Sunday, June 27-28, 2026.
• Kids Race: The kids mile will start promptly 30-minutes prior to the “big kids” race.
• Contact Info: Emergency Contact # – 614.318.5640.

🏕️ Location

Unlike other RRTRA events, this event will start and finish at the Alum Creek State Park Group Campsite, which is located just off of Lewis Center Rd and just north of the beach entrance.

💵 Entry Fees

Cost - 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.

• 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!!

🎁 Participant Perks

What do you get?

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

🍽️ Event Amenities

• Pancake breakfast.
• Designated space for spectators and drop bag tents for 50K & 50M participants.
• Optional Camping – Limited Sites Available! Available for Saturday night only!
• Check-in will enforce quiet time 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 begin at 6pm at the race site at Alum Creek State Park.

🗺️ The Course

Course layout is subject to change. Click here to view the Rocks And Roots Trail Map!

• Endurance Challenge repeats loop as necessary. Endurance Challenge participants are scored on the last COMPLETED lap. No partial lap credit given.

⏰ Cut-off Time

The race ends at 8am on Sunday. Endurance Challenge participants are scored on the last COMPLETED lap. No partial lap credit given.

🌟 Learn More

For full race details and registration, visit: Firefly Overnight Endurance Challenge.