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The most effective way to conduct distance practice. Simply find your athlete's recent rac or time trial in the "Current Fitness" window and the other windows of the wheel reveal that athlete's Aerobic Base Training Pace, Marathon Race Pace, Lactate Threshold Pace, VO2 Max Development Intervals, and Running Economy Repetitions.
WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information: www.p65warnings.ca.gov
