Lake Haigler 12-Hour

The Lake Haigler 12-Hour is a night trail running event held at the Anne Springs Close (ASC) Greenway in Fort Mill, South Carolina. Scheduled for November 22, 2025, the race features a 5K loop course around and near Lake Haigler. Participants run continuously from noon to midnight, aiming to complete as many laps as possible within the 12-hour timeframe.

An aid station is located at the start/finish area, providing essential support typical of ultramarathons. The event has limited capacity, encouraging early registration. Note that camping is not permitted after the race, and all attendees must leave the Greenway by 12:30 AM. Visit the organization's website for the most recent information.