Sombrero Ultra Running Festival (SURF)
Middleburg, United States • 12 Feb 2027
Sombrero Ultra Running Festival (SURF) - Middleburg, FL
The Sombrero Ultra Running Festival is a multi-day ultrarunning event organized by Sombrero Running in Middleburg, FL at the Clay County Regional Sports Complex (4790 Victory Lane). The festival centers on timed endurance events with on-site crew space, aid support, and awards.
Available race durations include:
- 3 hour event with Saturday and Sunday options
- 6 hour timed event
- 12 hour day event
- 12 hour night event
- 24 hour event
- 48 hour event and 48 hour relays for 2, 3 and 4 person teams
The venue includes a runner's village for canopies, tents, and crews; crewing from vehicles is permitted. RVs are allowed without hookups and an on-site RV fee of $15 applies. The race is cupless so runners must bring personal bottles, hydration vests, or collapsible cups. There will be a single aid station at the start/finish area that participants pass twice each loop.
On-site services include medical personnel for the full 48 hour period and planned footcare support. Awards include belt buckles, medals, and custom technical shirts; a registration cutoff is listed for shirt guarantees. A race map and course preview are provided. The event has no refunds. Visit the organization's website for the most recent information.