Sombrero Ultra Running Festival (SURF)
Middleburg, United States • 13 Feb 2026
The Sombrero Ultra Running Festival (SURF) is an endurance running event held in Middleburg, Florida, at the Clay County Regional Sports Complex. It offers a variety of timed race options including 3, 6, 12, 24, and 48-hour events, accommodating runners aiming for their first ultra or pushing for personal distance records. The course features a shorter loop with aid stations stocked with diverse food and hydration options, including hot meals prepared by a personal chef.
The festival fosters a vibrant atmosphere with music, vendors, and themed giveaways. Support services include expert foot care, medical staff, and a runner’s village for crewing and RV parking. The event emphasizes community, safety, and runner support. Visit the organization's website for the most recent information.