Sombrero Sizzler

JUL
17
2027
A timed 3, 6, 9 and 12 hour running and rucking event on a 1.25 mile paved loop in Jacksonville, FL, with a 6 hour relay option and on-course aid.
Sat 17 Jul 2027

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Sombrero Sizzler - July 17, 2027

Sombrero Sizzler is a timed running and rucking event in Jacksonville, FL, organized by Sombrero Running. The event day features multiple solo time options and a relay option for teams.

Event options

  • 3 hour solo option
  • 6 hour solo option
  • 9 hour solo option
  • 12 hour solo option
  • 6 hour relay for four person teams, limit 10 teams

Course and facilities

The course is a 1.25 mile paved loop on the former Cecil Field. It is three quarters asphalt and one quarter concrete walking path with a short grassy section at the end. Pine trees line much of the loop and provide shade for portions of the course. The loop is flat with minimal turns, described as five wide left turns.

Aid, swag and awards

One main aid station will be located at the pavilion area and will offer standard ultra foods and Skratch Electrolyte. Grilled food will be available throughout the day including breakfast items, burgers with vegan options, brats, Italian sausage and bacon. Each participant will receive a custom medal; additional swag items are to be determined. Top three overall awards are planned for each event and there will be awards for relay teams depending on participation.

Rucking rules and logistics

Ruck weight guidelines use the honor system: women 10 pounds or more, men 20 pounds or more; plate, brick or sandbag may be used. Parking is available along the road into the pavilion area with direct access to the course. Several hotels and restaurants are located within 3 to 5 miles. Visit the organization's website for the most recent information.

12 Hour Run/ruck
3 Hour Run/ruck
6 Hour Relay
6 Hour Run/ruck
9 Hour Run/ruck

Events nearby

Women only beach 5K at Jacksonville Beach Seawalk Pavilion on Nov 8, 2026 with chip timing, festival village finish, on-course hydration, refreshments and age group prizes.
Charity 5 hour trail event at Sal Taylor Creek Preserve in Jacksonville with a flat 4 to 5 mile out and back loop and donations to Sombrero Outreach Foundation.
5K run and walk at Congaree and Penn farm in Jacksonville on December 5, 2026, for participants 21+ with chip timing, included race items, and farm passes available on site.
Trail races at the Guana Research Reserve offering solo and team 50K formats plus a 12K on mostly hard-pack, shaded trails with packet pickup and finisher shirts.
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