Mammoth Endurance Half Triathlon

FEB

21

2026

Take on the Mammoth Endurance Half Triathlon at Lake Louisa State Park in Clermont on Feb 21, 2026. The course features short repeat loops for focused support, on course aid and crew access, plus real food and on site medical care.

Sat 21 Feb 2026

Clermont, Florida

Website Registration

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Event overview

The Mammoth Endurance Half Triathlon is scheduled for Saturday, Feb 21, 2026 in Clermont, Florida at Lake Louisa State Park. The event is listed as a Half Triathlon with a distance noted as 70.3. Registration for the event closes on Thu, Feb 19 at 11:59 PM ET.

Course and event services

The organizer describes the course as using short, repeatable loops contained within the park boundaries to concentrate support and safety. The race format is intended to keep athlete capacity lower and maintain a higher lifeguard-to-participant ratio. On-course services include an aid station and athlete village, access for personal crew on each loop for refueling and gear swaps, real food provided on site, and an on-site medical team. The series also offers pre- and post-event education resources, including information about nutrition, hydration, and training plans, plus sponsor discounts and community calls. Visit the organization's website for the most recent information.