This 12-week La Jolla 5K training plan is built specifically to prepare you to run your fastest 3.1 miles on one of Southern California’s most iconic race courses. It combines the most effective workouts I’ve used over the years with athletes of all levels — from first-time 5K runners to experienced racers chasing big personal bests. You’ll move through a smart progression of stamina development, speed development, and race-specific goal pace training, so that by race day you don’t just feel ...