The Fireflies are back! The 2025 Nations Firefly 5K and One-Mile Fun Run is officially open for registration on Run This.
Race Day Details
- Date: Saturday, October 18, 2025
- Location: 51st Avenue North, Nashville, TN
- Distances: 5K + 1-Mile Fun Run
This neighborhood race lights up The Nations every fall with the Light The Nations weekend, bringing together runners, families, and friends for an evening run through one of Nashville’s most vibrant communities and parks.
What to Expect
The Firefly 5K isn’t just about fast splits, it’s about community. Whether you’re running your first 5K, chasing a PR, or joining the one-mile fun run, you’ll be part of something special. Expect:
- A fast and friendly course through The Nations
- A fun run option for all ages
- Local energy and a race vibe that only Nashville can deliver
Registration
Spots are open now for the 5K and 1-mile fun run. Both events are available exclusively on Run This.
👉 Sign up today on Run This and secure your spot under the Firefly lights.
Why Run This?
Run This is where Nashville races live. Your registration, updates, and race-day details are all in one place. Plus, you’ll see the Firefly 5K right alongside the rest of your 2025 race calendar.
🔥 Ready to run The Nations?
Don’t wait — registration is live, and this neighborhood 5K fills fast. We’ll see you on October 18th at the start line.
