Dunns Ultra Marathon Badasses
Pomona Park, United States • 7 Nov 2026
Dunns Ultra Marathon Badasses (D.U.M.B.)
The event takes place at Dunns Creek State Park in Pomona Park, Florida, on a looped trail of about 11.75 miles. The course crosses mixed Florida terrain and returns to a runners village located beside the parking area.
The trail passes through longleaf pines, wiregrass and sandpine scrub and provides habitat for species such as the gopher tortoise and fox squirrel. Terrain includes compact grass, forest service roads, some runnable sugar sand sections, two shallow water crossings with optional foot bridges, and a climb to "Mt. Maars" near the 15k mark. The final 1.5 miles of each loop run on an asphalt road back to runners village.
Available distances:
- 100 miles
- 100 kilometers
- 100k ruck
- 35 miles
- 35 mile ruck
- 12 miles
- 12 mile ruck
- 8K
- 8K ruck
Two fully stocked aid stations sit on the loop (around 1.5 and 3.5 miles) and a second larger on-course station appears near 8.5 miles before Mt. Maars. Aid offerings include Skratch Hydration products, pickle juice, hot and savory items such as chorizo and egg burritos, bacon and spam, tortilla wraps, coke, water and ginger ale. Runners village includes a grilling station, hot foods through the day, and an overnight aid area with soups and coffee.
Organizers list Sombrero Outreach Foundation and Friends of Dunns Creek State Park as charity partners. Refunds are not offered; deferrals may be available with ample notice to a future Sombrero event of similar distance and pricing. Visit the organization's website for the most recent information.