Florida ANVIL Ultra Triathlon
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Event overview
The Florida ANVIL takes place February 19-21, 2026 at Lake Louisa State Park in Clermont, Florida. The event offers multiple ultra-distance race categories including single, 1.5x, and double triathlons, aquavelos, duathlons, and relay options. Registration is completed online only; paper or race-day registrations are not accepted. Registration closes Feb 16, 2026. Double ANVIL athletes, solo and team, must submit a doctor-signed medical release one month before the race.
Distances and limits
- Single Anvil Triathlon: 2.4 mile swim, 112 mile bike, 26.2 mile run.
- 1.5x Anvil Triathlon: 3.6 mile swim, 168 mile bike, 39.3 mile run.
- Double Anvil Triathlon: 4.8 mile swim, 224 mile bike, 52.4 mile run.
- Single Aquavelo: 2.4 mile swim, 112 mile bike.
- Double Aquavelo: 4.8 mile swim, 224 mile bike.
- Single Duathlon: 112 mile bike, 26.2 mile run.
- Double Duathlon: 224 mile bike, 52.4 mile run.
- Relay Double Anvil Triathlon: 4.8 mile swim, 224 mile bike, 52.4 mile run.
Each category has a published finish time limit and entry fee.
Course and race rules
All courses use short, repeatable loops inside the state park and are marked and staffed by volunteers. Swim details: a 2,112 foot (644 m) out-and-back loop with a 1,056 foot (322 m) swim line; loop counts vary by distance. Lake depth is no greater than 8 to 9 feet and average water temperatures have been 65 to 70 degrees, so wetsuits are recommended. Swim equipment restrictions prohibit flotation devices, flippers, and fins; athletes must wear the provided swim cap.
Bike details: a 6.009 mile (9.670 km) out-and-back loop. Bikes must have an approved helmet, no drafting is allowed, headphones are prohibited, and adequate lights are required for night riding. The course was measured with a Jones Counter.
Run details: a 1.00769 mile (1.621719 km) paved loop with required personal lighting and rear visibility lights after dark. Crew support is permitted in the athlete village but not on course. Visit the organization's website for the most recent information.
