The Inferno Challenge
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The Inferno Challenge Harns Marsh
The Inferno Challenge takes place at Harns Marsh in Lehigh Acres, Florida on July 18, 2026. The event offers three measured running distances and is scheduled during summer in Lee County.
Distances offered:
- 5K
- 12K
- 25K
Registration for the event opens February 4, 2026 and closes April 30, 2026. Listed registration fees are $27.50 for the 5K, $30.00 for the 12K, and $35.00 for the 25K. The course terrain is described as flat and fast, and the organizer notes heat and sun as notable environmental factors for the day.
Participants receive a custom finisher medal and an Inferno T shirt. Awards are given to top overall and age group finishers. Packet pickup is scheduled at Fleet Feet Fort Myers on Friday, July 17, 2026 from 5:00 PM to 7:00 PM.
The event information includes separate course routes for the 5K and 25K distances. The race location street address is 3399 38th Street W, Lehigh Acres, FL 33971. Visit the organization's website for the most recent information.
