The Inferno Challenge Harns Marsh
About the Event
🔥 The Inferno 5K, 12K & 25K 🔥
Can You Beat the Heat?
Get ready to turn up the heat at one of the hottest races of the summer!
The Inferno 5K, 12K and 25K is coming to Harns Marsh in Lehigh Acres, FL on again Saturday, Saturday July 18th, 2026 — and we’re daring you to take on the sun, the sweat, and the Florida fire! The 5K is for everyone but the 12K and 25K are designed for endurance athletes and heat-hardened runners, this race pushes limits with gritty summer miles through Florida's sun-soaked terrain. This is your chance to prove you can go the distance — and handle the heat.
Race Day Details:
📍 Location: Harns Marsh, Lehigh Acres (Lee County, FL)
🕢 Start Time: 7:30 AM
🏃♂️ Distance: 5K,12K or 25K
🔥 Terrain: Flat and fast — but the real challenge is the heat and the sun!
🕢 Cut Off Time: 12:00 PM (All races) - No Exceptions!
Race Swag:
Custom finisher medal for all participants
Inferno T Shirt
Awards for top overall and age group finishers
Packet Pickup:
📍 Fleet Feet Fort Myers
🗓 Friday, July 17th 2026
🕔 5:00 PM – 7:00 PM
5K Course:
Click HERE!
25K:
Click HERE!
Dress light, hydrate early, and bring your sunscreen!
Join fellow runners on July 18, 2026 for the The Inferno Challenge Harns Marsh. It's a fantastic 5K, 12K, 25K featuring a flat and fast course in Lehigh Acres.
Races Offered
Running
5K
12k
25K
About Lehigh Acres
The Inferno Challenge Harns Marsh takes place in Lehigh Acres, Florida, United States. The local timezone is America/New_York.
Runner Reviews
Based on 0 reviews
Share your thoughts
If you've participated in this event, share your experience with other runners
No reviews yet. Be the first to share your experience!
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
Nearby Events
The Great Ambassador Virtual Run Presented by Alter Ego Running
Run for Resilience – Hope DeSoto Virtual 5K 2026
Manion Wod - Uss John Basilone
10th Anniversary - Lakeland Police Foundation Fallen Heroes Memorial 5k
The Great Ambassador Virtual Run Presented by Alter Ego Running
Run for Resilience – Hope DeSoto Virtual 5K 2026
Manion Wod - Uss John Basilone