Logo

Sombrero Sizzler

Southwest Jacksonville, United States • 12 Jul 2025

The Sombrero Sizzler is an annual timed running event held in Jacksonville, Florida, featuring distances of 3, 6, 9, or 12 hours, plus a 6-hour relay option for teams of up to four runners. The race takes place on a flat, fast 1.25-mile loop on a former military base, combining asphalt road and concrete walking paths with a short grassy section. The course is mostly shaded by pine trees, offering some relief from the Florida sun. Participants enjoy a well-supported event with an aid station providing hydration and food, including vegan options. Awards and custom medals are given, making it a motivating and community-focused race. Visit the organization's website for the most recent information.

United States Florida Southwest Jacksonville

Race information

Website Registration
12 hr
12hr
9 hr
9hr
6 hr
6hr
6 hr
6hr Relay
3 hr
3hr
Visit the organization's website for the most recent information.
Trail runs nearby

Sufferfest on Section 4

Middleburg - 12 mi from Southwest Jacksonville

Sufferfest on Section 4 is a challenging 5-hour endurance event held in Middleburg, Florida, along the technical and hilly Section 4 of the Pioneer Trail. Participants traverse a roughly 2.5-mile out-and-back single-track course featuring switchbacks and scenic overlooks of Black Creek. The event em..

S.O.S. Middleburg, FL

Middleburg - 12 mi from Southwest Jacksonville

S.O.S. in Middleburg, Florida, is a unique running event held on the scenic Sandridge Trail within Jennings State Forest. Participants can choose from a 9K distance or time-based challenges of 3, 6, or 12 hours, all run on a 2.75-mile loop.The race features a cupless format, encouraging runners to b..

Festivus 100 Miler Trail Run

Middleburg - 12 mi from Southwest Jacksonville

The Festivus 100 Miler Trail Run, held in Middleburg, Florida, offers multiple race distances including 100 miles, 50 miles, 35 miles, and 14 miles. This trail running event takes place in early December and is known for its challenging courses set in natural terrain. The race promotes an inclusive..

Winter Beach Run

Jacksonville Beach - 26 mi from Southwest Jacksonville

The IQ FIBER Winter Beach Run is a popular annual event held in Jacksonville Beach, Florida, featuring 10-mile and 5K races on firmly packed sand near low tide for optimal running conditions. Established in 1976, it is the second oldest running event in the Jacksonville area and offers a unique beac..

Sombrero Ultra Running Festival (SURF)

Middleburg - 12 mi from Southwest Jacksonville

...

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 pe..

Gator Dash Trail Run

Southwest Jacksonville

The Gator Dash Trail Run takes place at Diamond D Ranch near Jacksonville, Florida, as part of the Spartan Trail series. The event offers two race distances: a 10K and a half marathon (21K). The course features minimal elevation gain with mostly non-technical terrain, making it ideal for a first spe..