The Dallas–Little Elm Half Distance Triathlon features a wetsuit-legal lake swim, fast and smooth rural roads, and a flat, spectator-friendly trail run—making it an ideal course for athletes who prepare with purpose. ⚠️ Prerequisite Training Required Before starting, athletes should have a solid aerobic base. You should be consistently training at least 6–7 hours per week and able to swim 1,500 yards, bike 90 minutes, and run 45 minutes comfortably. This plan begins with 9 hours of training ...