Train at Your Lactate Threshold
according to your lactate threshold. This is the fastest you can run (with the same speed from start... in your legs when you exert a lot of energy). If you're training as close to your lactate threshold
Menstrual Cycle Doesn't Affect Endurance Performance
in the women's exercise performances on such measures as heart rate, oxygen capacity, power, and lactate... influences lactate "thresholds" and ventilatory "thresholds."
Masters Runners Rock
A University of Texas report looked into VO2 max, lactate threshold, and running economy of runners... the same. VO2 max and lactate threshold might slide downhill as we age simply because we can't train
